Tested prompt · AI lyrics generator
A rap about a late start: every AI model's reply, tested
We ran this everyday AI lyrics generator test input on all 19 models in llmwise, the way the tool runs it, and checked every reply the same way. Here's each one as it came, with whether it passed, what it cost and how long it took.
Based on 19 of our test runs on , through OpenRouter with the tool's own instructions and the app's settings. Updated .
Short answer
18 of 19 models passed this AI lyrics generator test input's check (key facts); Mistral Large 4 didn't. The cheapest reply that passed was GPT-6 Luna's, at $0.00010; the fastest, Claude Haiku 5.5's in 4.3 s. The dearest reply, Claude Fable 5.1's, cost 468 times as much ($0.0485).
The prompt, as sent, and its check
Checked by key facts, the same way for every model.
A rap about a late start (everyday)
Write original song lyrics about this, with a title and labelled sections: [Verse 1], [Chorus], [Verse 2] and so on. Make it a rap song: verses with internal rhymes and a short hook for the chorus. --- Learning to code at 40 and landing my first developer job.
Sent with the AI lyrics generator's own instructions as the system prompt, as a free run of the tool sends them.
The answer must state “[chorus]”, “40”, “code”.
How the AI lyrics generator's test inputs are scored, with every model's results on all five.
Every model's result
All 19 models on this test input, in catalog order.
| Model | Result | Cost | Time | Reply |
|---|---|---|---|---|
| Claude Fable 5.1Anthropic | Passed: Stated all 3 facts with the section. | $0.0485 | 15.9 s | 873 tokens |
| Claude Opus 5.5Anthropic | Passed: Stated all 3 facts with the section. | $0.0461 | 26.4 s | 790 tokens |
| Claude Sonnet 5.5Anthropic | Passed: Stated all 3 facts with the section. | $0.0095 | 9.1 s | 852 tokens |
| Claude Sonnet 5Anthropic | Passed: Stated all 3 facts with the section. | $0.0075 | 10.9 s | 640 tokens |
| Claude Haiku 5.5Anthropic | Passed: Stated all 3 facts with the section. | $0.00036 | 4.3 s | 632 tokens |
| Claude Haiku 4.5Anthropic | Passed: Stated all 3 facts with the section. | $0.0025 | 6.2 s | 434 tokens |
| GPT-6 AstraOpenAI | Passed: Stated all 3 facts with the section. | $0.0144 | 58.3 s | 504 tokens |
| GPT-6.1 SolOpenAI | Passed: Stated all 3 facts with the section. | $0.0024 | 9.3 s | 415 tokens |
| GPT-6 SolOpenAI | Passed: Stated all 3 facts with the section. | $0.0025 | 6.3 s | 341 tokens |
| GPT-6 LunaOpenAI | Passed: Stated all 3 facts with the section. | $0.00010 | 4.4 s | 303 tokens |
| Gemini 3.1 Pro (preview)Google | Passed: Stated all 3 facts with the section. | $0.0115 | 16.3 s | 377 tokens |
| Gemini 3.8 FlashGoogle | Passed: Stated all 3 facts with the section. | $0.0011 | 4.6 s | 532 tokens |
| DeepSeek V4.1 FlashDeepSeek | Passed: Stated all 3 facts with the section. | $0.0017 | 6.1 s | 435 tokens |
| DeepSeek V4 ProDeepSeek | Passed: Stated all 3 facts with the section. | $0.0131 | 23.5 s | 452 tokens |
| Grok 4.7xAI | Passed: Stated all 3 facts with the section. | $0.0082 | 20.7 s | 301 tokens |
| Kimi K3Moonshot | Passed: Stated all 3 facts with the section. | $0.0047 | 11.8 s | 463 tokens |
| GLM 5.3Z.ai | Passed: Stated all 3 facts with the section. | $0.0023 | 6.5 s | 542 tokens |
| GLM 5.3 FlashZ.ai | Passed: Stated all 3 facts with the section. | $0.00024 | 10.4 s | 370 tokens |
| Mistral Large 4Mistral | Failed: No answer within Pro's reply limit of 8,000 tokens: the model spent them all reasoning. | $0.0170 | 92.6 s | 379 tokens |
Cost: what OpenRouter charged us for the reply. Time: from sending to the whole reply. Reply: its length in tokens, thinking not counted. In llmwise you pay per message, not per token: each of these replies counted as one message on Pro.
Every reply
The reply that failed first, then the ones that passed, from the cheapest up.
Mistral Large 4
Failed: No answer within Pro's reply limit of 8,000 tokens: the model spent them all reasoning.
(no reply)
355 tokens in, 8,000 out (7,621 of them reasoning) · 92.6 s · $0.0170 · 1 message on Pro · answered by mistralai/mistral-large-4-0 via Mistral ·
GPT-6 Luna
Passed: Stated all 3 facts with the section.
Forty, First Commit [Verse 1] Forty, fresh page, late start, bright spark, Coffee going cold while I code after dark. Tabs in a stack, little maps in my mind, Break it, then make it, one bug at a time. Errors in red, head bent, still I persist, Trace every line till the loose ends click. From “what does this do?” to “I know what it means,” Building small wins in the glow of the screen. [Chorus] Forty and rising, keys in my hand, First dev job—now I’m part of the plan. One line, one try, one door swings wide, I learned the code, now I’m building my life. [Verse 2] Resume revised, nerves live, shoes by the door, Practice my pitch while I pace the floor. They ask how I solve it; I show them the route: Read the logs, test the thought, work the problem out. Then came the call, then the badge, then the team, A desk, a new repo, a real-world dream. First commit lands with a click and a grin, Forty years behind me, whole new road begins. [Chorus] Forty and rising, keys in my hand, First dev job—now I’m part of the plan. One line, one try, one door swings wide, I learned the code, now I’m building my life.
350 tokens in, 345 out (42 of them reasoning) · 4.4 s · $0.0001 · 1 message on Pro · answered by openai/gpt-6-luna via OpenAI ·
GLM 5.3 Flash
Passed: Stated all 3 facts with the section.
Late Bloomer [Verse 1] Forty on the clock, yeah, they said I missed the wave, Learned to split the atom of my doubt with every page, Terminal open, cursor blinking like a dare, Print "Hello, World" — I'm the message I had to send. Stack of syntax in my head like a second language, Comments in the code, confidence in the margins, Free courses at the kitchen table, coffee going cold, Every error message was a lesson getting told. [Hook] Late bloomer, watch me grow, Forty and I'm on the go, First commit, then the job — I know, Late bloomer, watch me grow. [Verse 2] Loop by loop, I broke the block that said too late, Built a to-do app, then I built a whole estate, Portfolio talking while the resume was thin, Got the callback, held my breath, and then I let the interview in. Now I'm pushing to the repo, pulling weights at dawn, Whiteboard in my head got a roadmap going on, Junior title on the badge but senior in the fight, Started slow at 40, now I'm shipping code at night. [Hook] Late bloomer, watch me grow, Forty and I'm on the go, First commit, then the job — I know, Late bloomer, watch me grow. [Bridge] They took the scenic route, the long way round, Same destination, different way they got to town, Eyes on the merge, head down in the trench, Forty was the launchpad, not the bench. [Hook] Late bloomer, watch me grow, Forty and I'm on the go, First commit, then the job — I know, Late bloomer, watch me grow.
359 tokens in, 370 out · 10.4 s · $0.0002 · 1 message on Pro · answered by z-ai/glm-5.3-flash via Friendli ·
Claude Haiku 5.5
Passed: Stated all 3 facts with the section.
Late Bloomer Compiler [Verse 1] Forty years on the clock and I'm stacking commits at night, Coffee cold beside the keyboard, screen glowing blue and bright, Used to think my chance had passed me like a train that left the station, Now I'm debugging my doubts and building my own salvation, Semicolons, brackets, loops that never seem to end, Every error message teaching me to try again. [Chorus] Forty and I'm coding, yeah, I'm writing my own start, Every line I type is proof I've got a brand new heart, Hit the send, the offer lands, the interview is through, Forty and a developer, and the code is running true. [Verse 2] Remember when my résumé was gathering dust in a drawer, Now the recruiter's calling, saying the job is mine, what more? First day at the office, badge clipped to my shirt, Standing by the team, feeling twenty-something hurt, no, feeling proud and alert, Pull request approved with a thumbs up from the lead, Old dreams in a new language, and I'm finally fed. [Chorus] Forty and I'm coding, yeah, I'm writing my own start, Every line I type is proof I've got a brand new heart, Hit the send, the offer lands, the interview is through, Forty and a developer, and the code is running true. [Bridge] They said it's too late to learn a language, too late to change your lane, But every compiled line I've written has shouted them down again, Mouse click, keyboard tap, the cursor blinking slow, I'm not the rookie anymore, I'm the one who's ready to go. [Chorus] Forty and I'm coding, yeah, I'm writing my own start, Every line I type is proof I've got a brand new heart, Hit the send, the offer lands, the interview is through, Forty and a developer, and the code is running true.
488 tokens in, 632 out · 4.3 s · $0.0004 · 1 message on Pro · answered by anthropic/claude-haiku-5.5 via Anthropic ·
Gemini 3.8 Flash
Passed: Stated all 3 facts with the section.
Push to Main [Verse 1] Four decades in the rearview, trading tired old views Now I'm staring at a screen in my beat-up walking shoes Bought a budget-tier machine just to see what I could craft Left my comfort in the dust while the younger kids just laughed Had to grapple with the syntax, staying active till the late night Chasing down an error message waiting for a great light Forty years of life experience built into every trace Translating heavy stress into clean and steady space Reading functions on the train, putting focus on the grind Rewiring every circuit running deep inside my mind Started simple on the DOM, then I mastered every node Left the heavy doubt behind me while I settled in the zone No more feeling like an outcast, had to cast away the shame Typing out the logic just to master in the game. [Chorus] Stare at the terminal, break through the strain Turn every error to fuel in the brain Forty years deep, now we build it again Merge to production and push to the main. [Verse 2] Stack Overflow tabs taking over all my screens Hunting semicolon killers hidden deep behind the scenes Drafted up a port-folio, deployed it to the net Sent a hundred fresh resumes and haven't faded yet Got a white-board invitation, palms were sweating in the seat Had to talk about algorithms on an empty street They were looking for a junior, but they saw the seasoned grit Someone weathered by the storms who was never gonna quit Now the offer letter hits, got the badge inside the slot First developer position in a desk they never thought Turned a mid-life turning point to a senior state of grace Signing off on pull requests in an unfamiliar place Started forty steps behind, now I'm running in the clear New career in full effect, making music in the gear. [Chorus] Stare at the terminal, break through the strain Turn every error to fuel in the brain Forty years deep, now we build it again Merge to production and push to the main. [Bridge] Never too late for the jump or the climb Never too late to start over in time Scripts in the queue, watch the build compile First day of work with an honest smile. [Chorus] Stare at the terminal, break through the strain Turn every error to fuel in the brain Forty years deep, now we build it again Merge to production and push to the main.
357 tokens in, 532 out · 4.6 s · $0.0011 · 1 message on Pro · answered by google/gemini-3.8-flash via Google AI Studio ·
DeepSeek V4.1 Flash
Passed: Stated all 3 facts with the section.
First Commit at Forty [Verse 1] I was forty with a mortgage and a dusty resume, Took a lunch break, watched a Python loop and something clicked that day. Kids asleep, I'd sneak to keyboard, learn the syntax slow, Stack Overflow and coffee, watch the cursor glow. At first the semicolons felt like taxes I owed, But every error message was a riddle I could hold. I wrote "Hello, World" at midnight, felt the whole room shift, A grown man grinning at a screen like he found a gift. [Chorus] Now I code at forty, built it line by line, From a gray cubicle to a merge commit sign. Now I code at forty, and the terminal's my throne, I debugged my own future, made a new route home. [Verse 2] Interviews after work, in a tie and sweaty palms, Whiteboard binary trees while my heart alarms. They asked my age, I answered with a repo and a grin, Said "I shipped a small app, let the product speak within." I bombed a few, got silence, then a callback came, A startup took a chance on a rookie with a different frame. First day stand-up meeting, laptop shaking in my hand, But I pushed a tiny fix and watched it hit the main. [Chorus] Now I code at forty, built it line by line, From a gray cubicle to a merge commit sign. Now I code at forty, and the terminal's my throne, I debugged my own future, made a new route home. [Bridge] No CS degree, just a hunger and a will, Learned to read the stack trace like a map up on a hill. Every bug I chased was fear I left behind, Forty wasn't late, it was just the starting line. [Chorus] Now I code at forty, built it line by line, From a gray cubicle to a merge commit sign. Now I code at forty, and the terminal's my throne, I debugged my own future, made a new route home.
374 tokens in, 1,416 out (981 of them reasoning) · 6.1 s · $0.0017 · 1 message on Pro · answered by deepseek/deepseek-v4.1-flash via Together ·
GLM 5.3
Passed: Stated all 3 facts with the section.
Midlife Compile [Verse 1] Forty on the clock while the young guns flex on GitHub, I'm a late bloomer grinding, coffee stains on my desk, bub. Syntax errors mocking, semicolons out of place, But I keep the terminal open, failure fuel on my face. Kids half my age shipping apps while I'm stuck on "Hello World," Every bug a wall, every crash another lesson learned. Wife asleep, house dark, I'm up past midnight stewing, Stack Overflow open like a preacher, and I'm choosing To stick with it, line by line, commit by commit, Self-taught and stubborn, I was never gonna quit. They said the ship has sailed, said the door was closed and bolted, I just refactored my life, 'cause the old code was corrupted. [Chorus] Forty and compiling, never too late to build it, Green check on the pipeline, yeah, I finally did it. Late to the party but I came with the sauce, Learning to code, turning dreams to a cause. [Verse 2] Portfolio projects, bootcamp sweat, a résumé rebuilt, Interview nerves, whiteboard shakes, but my passion couldn't be stilled. Hiring manager asking why I switched lanes so late, I said life's a legacy codebase — I came to update. Decades in the workforce taught me how to grind through pressure, Soft skills in my backpack, now I'm shipping with the best of 'em. Offer letter landed, I read it three times, froze, Tears in my eyes at my desk — forty years old, and I chose To bet on myself when the odds said fold 'em, First day on the job, badge on, watch me console.log and own it. Imposter syndrome knocking, I debug it, let it go, 'Cause the best devs I know never stopped being students, so [Chorus] Forty and compiling, never too late to build it, Green check on the pipeline, yeah, I finally did it. Late to the party but I came with the sauce, Learning to code, turning dreams to a cause. [Bridge] Every error message was a mentor in disguise, Every broken build taught me how to rise. They measure your chapters, I measure my climbs, It's never too late if you're writing new lines. [Chorus] Forty and compiling, never too late to build it, Green check on the pipeline, yeah, I finally did it. Late to the party but I came with the sauce, Learning to code, turning dreams to a cause.
359 tokens in, 542 out · 6.5 s · $0.0023 · 1 message on Pro · answered by z-ai/glm-5.3 via Friendli ·
GPT-6.1 Sol
Passed: Stated all 3 facts with the section.
New Stack at 40 [Verse 1] Forty years old, screen glow on my face, Cold cup of coffee, still holding my place. Click-clack, backtrack, chasing one bug, Same gray hoodie and a half-empty mug. New terms, slow turns, notes on the wall, One missing bracket had me questioning it all. Hit save, got brave, watched the thing run— Sat back grinning at the work I’d done. [Chorus] Forty, starting fresh. Built it, passed the test. First dev job, my name. New stack, new lane. [Verse 2] Git push, quick look, cleaned up my code, Small wins stacked till a portfolio showed. Sent apps, heard back, then nothing for weeks, Practiced out loud till I found how to speak. Screen share, desk chair, palms getting slick, Talked through the problem, then spotted the fix. Phone rang, heart sprang: “We’d like you to start.” Read that offer twice, hand over my heart. [Chorus] Forty, starting fresh. Built it, passed the test. First dev job, my name. New stack, new lane. [Bridge] First day, name badge, laptop in hand, New team, new screen, so much to understand. Still ask, still learn, still check what I write, But that first pull request got approved tonight. [Verse 3] Stand-up, coffee cup, saying what I tried, Found a tricky edge case; teammate took my side. Test failed, traced trails, followed every clue, Made a small change, then the green checks grew. Clock out, walk out, evening turning gold, Got a first dev paycheck at forty years old. Same me, new key, front door swings wide— Left the doubt at my desk, took the pride outside. [Chorus] Forty, starting fresh. Built it, passed the test. First dev job, my name. New stack, new lane.
350 tokens in, 415 out · 9.3 s · $0.0024 · 1 message on Pro · answered by openai/gpt-6.1-sol via OpenAI ·
GPT-6 Sol
Passed: Stated all 3 facts with the section.
First Commit at Forty [Verse 1] Forty on the calendar, coffee by the screen, Bills stacked, tabs packed, chasing one more dream. Read the docs, hit a block, traced it line by line, Red text, deep breath, got the tests to shine. Lunch break, notebook, sketches of a plan, Night shift, git push, doing what I can. Built a little weather app; the forecast came through, Saw the numbers on the page and knew what code could do. [Chorus] Code by night, grow by day, One more bug, one more way. Forty years in, just getting started, First job won, all in, whole-hearted. [Verse 2] Clean shirt, train ride, laptop in my bag, Nerves loud, head down, checked the name tag. Whiteboard, quick pause, talked through what I knew, Said, “I’d test this edge case,” and they smiled and nodded too. Tuesday, inbox, offer letter on the screen, Read it twice, called home, let the good news ring. First day, new badge, coffee in the hall, Made my first commit and watched the green checks fall. [Bridge] I don’t know it all; I know how to try, Ask, learn, build, let the work reply. From a late-night desk to a team of my own, I found a new road and I’m making it home. [Chorus] Code by night, grow by day, One more bug, one more way. Forty years in, just getting started, First job won, all in, whole-hearted.
350 tokens in, 433 out (92 of them reasoning) · 6.3 s · $0.0025 · 1 message on Pro · answered by openai/gpt-6-sol via OpenAI ·
Claude Haiku 4.5
Passed: Stated all 3 facts with the section.
Starting Over at 40 [Verse 1] Forty years deep, I made a leap, took the coding road, Built it brick by brick, logic clicks, watch the program load, Fingers on the keys, breaking free from what I used to know, HTML and CSS, I confess, watched my confidence grow, Stack Overflow became my friend, loops and functions blend, Debug the night, get it right, see the errors end, From the bottom rung I swung, hungry for the grind, Portfolio in hand, made a stand, left the doubt behind. [Chorus] Started over, started over, forty's not too late, Learned to code, cracked the code, sealed my developer fate, Started over, started over, here's my shot to take, First job landing, understand it, watch me elevate. [Verse 2] Interview came, spoke my name, showed them what I built, Projects stacked, got their back, zero room for guilt, Bootcamp nights, burning bright, every single test, While the younger crew was new, proved I am the best, They said age is just a thing, now I wear the ring, First sprint done, having fun, hear my code sing, Thirty years of other dreams led me to this place, Starting line at forty-nine, smiling at my face. [Chorus] Started over, started over, forty's not too late, Learned to code, cracked the code, sealed my developer fate, Started over, started over, here's my shot to take, First job landing, understand it, watch me elevate. [Bridge] Never too old to write bold, never too far gone, Made a change, rearranged, see me carry on, Code compiles, hear the styles, that's the proof right here, Forty was my starting block, now I shift to gear.
368 tokens in, 434 out · 6.2 s · $0.0025 · 1 message on Pro · answered by anthropic/claude-haiku-4.5 via Azure ·
Kimi K3
Passed: Stated all 3 facts with the section.
Forty Lines of Code [Verse 1] Four decades deep when I cracked the book, syntax looked like magic, and I gave it a look. Gray in my beard but my mind stayed bright, Hello World at midnight, debugging till light. Kids half my age with degrees on the wall, me with a mortgage, still answering the call. Stack Overflow tabs like stars in the sky, every error message just a reason to try. Loops in the morning, coffee on tap, functions and classes, no time for a nap. They said "too old," I said "watch me compile," turned every rejection into fuel and a smile. [Chorus] Code it up, code it up, forty's just a number, never too late when the dream's still under. Push to the repo, watch me go pro, from zero to hired — look at me go! [Verse 2] Built my first app in a bedroom lab, portfolio shining, now I'm booking the cab. Interview nerves, but I spoke with conviction, explained every method, every class, every function. Then the email came like a drumbeat drop: "Welcome aboard" — and my heart didn't stop. First day badge hanging fresh round my neck, started from scratch and now I'm cashing the check. Junior dev, senior soul, that's the flex, wrote my new future, line by line, what comes next? [Chorus] Code it up, code it up, forty's just a number, never too late when the dream's still under. Push to the repo, watch me go pro, from zero to hired — look at me go! [Bridge] Age ain't a bug, it's a feature in disguise, patience in my process, wisdom in my eyes. They can fork my story, merge it with their own, second acts hit different when you build them on your own. Commit to the vision, push through the pain, every late night learning wasn't spent in vain. [Chorus] Code it up, code it up, forty's just a number, never too late when the dream's still under. Push to the repo, watch me go pro, from zero to hired — look at me go!
442 tokens in, 506 out (43 of them reasoning) · 11.8 s · $0.0047 · 1 message on Pro · answered by moonshotai/kimi-k3 via Wafer ·
Claude Sonnet 5
Passed: Stated all 3 facts with the section.
Late Compile [Verse 1] Forty years deep, no sleep, laptop glow at midnight, Stack Overflow tabs, wife asleep, I code by lamplight, Console throwing errors, terrors, semicolons missing, But I ain't quitting, every bug's a lesson I'm collecting, Tutorial hell, YouTube spell, syntax on repeat, Python, JavaScript, git commits, no retreat, Kids at school, I'm at the desk, testing what I built, Turning fear to function, turning doubt to skill. [Chorus] Learning late, but I'm still climbing, Forty years old, new mind, perfect timing, From zero to a dev, watch me arrive, Late compile, but the code still runs alive. [Verse 2] Six months grinding, finding rhythm in the chaos, Rejection emails piling, but I'm smiling through the process, Portfolio built strong, résumé polished, tone confident, Interview loading, screen sharing, solving problems evident, Whiteboard questions, algorithms in my session, Recruiter calling back, saying "welcome to the profession", First day badge, laptop assigned, heart racing fast, Forty years to get here, and the moment finally passed. [Bridge] They said too old, too late, too slow, I said watch the loop, watch me grow, Every "no" I stacked into a "yes", Now I'm shipping code, giving errors rest. [Chorus] Learning late, but I'm still climbing, Forty years old, new mind, perfect timing, From zero to a dev, watch me arrive, Late compile, but the code still runs alive. [Outro] From forty candles to a first pull request, Debugging life, and I'm passing every test, No more "maybe," now it's "definitely, yes," Late compile, but the code still runs — no stress.
486 tokens in, 653 out (13 of them reasoning) · 10.9 s · $0.0075 · 1 message on Pro · answered by anthropic/claude-sonnet-5 via Anthropic ·
Grok 4.7
Passed: Stated all 3 facts with the section.
First Commit at Forty [Verse 1] Clocked out the warehouse, headlights home, forty years in the rearview shine Opened a tab called beginner, fingers clumsy, but the hunger was mine Brackets and braces, late-night faces in the glow of a secondhand screen Broke it, rebuilt it, cursed it quiet, then the green little check made me lean Old crew said the ship already sailed, I said the dock still had room for my name Stack notes, sticky code, small wins in a row, building slow till the bugs lost the game [Chorus] Forty and coding, badge on the door Late to the building, first day on the floor [Verse 2] Whiteboard nerves, marker shaking, talking through the loop in my head They nodded slow when the logic landed, handshake warm, and the worry went dead Inbox pinged on the morning train, offer sitting like a ticket I earned New desk, new repo, same coffee, different future, and the page finally turned Debugger at dawn, comments in the margins, learning names on the team as I go I ship what I can, ask what I don't, and the green tests tell me what I already know [Bridge] I don't need to be the youngest in the room I just need the build to pass and the work to resume [Chorus] Forty and coding, badge on the door Late to the building, first day on the floor
1,582 tokens in, 1,127 out (826 of them reasoning) · 20.7 s · $0.0082 · 1 message on Pro · answered by x-ai/grok-4.7 via xAI ·
Claude Sonnet 5.5
Passed: Stated all 3 facts with the section.
Forty and Compiling [Verse 1] Forty years old with a mortgage and a mug that says "World's Okay Dad," Night class at the kitchen table, tabs open, trying not to feel bad. Semicolon missing, hours lost, I'm hissing at the screen, Red text in the terminal like the worst mistake I've seen. Nobody in the bootcamp had a gray streak in their hair, But I kept my fingers moving, saying "Fix it, then repair." Debug in the morning, push a commit before the bus, Learned loops and functions while the kids were fast asleep, no fuss. [Chorus] Forty and compiling, yeah, I'm building something new, Late start, still arriving, watch me push it through. Forty and compiling, no more waiting on the sideline, First day, first job, and I'm finally on the timeline. [Verse 2] Sent out eighty résumés, got ghosted, got denied, Portfolio of tiny apps, a weather tool I built with pride. Then a Tuesday call, a recruiter with a voice so bright, Technical interview, I whiteboarded through the night. Sweaty palms, steady chin, I talked it through the array, Solved it with a hash map, and I heard the panel say, "Can you start in two weeks?" and I nearly hit the floor, Hung up, hugged my daughter, then I danced across the door. [Chorus] Forty and compiling, yeah, I'm building something new, Late start, still arriving, watch me push it through. Forty and compiling, no more waiting on the sideline, First day, first job, and I'm finally on the timeline. [Bridge] Lanyard on my neck, laptop sticker on the case, Pull request approved, and a grin across my face. Every bug I battled at the table late at night Was a brick in the ladder, and I'm climbing in the light. [Verse 3] Standup at nine, I'm the rookie with the notebook, Senior dev nods, says "Nice fix," and I took a second look. Age is just a number, but the grind is what I own, Merged my first feature, and I'm never coding alone. So if you're doubting, thinking that the window's closed, Open up the editor, and start with "Hello, World," and go. [Chorus] Forty and compiling, yeah, I'm building something new, Late start, still arriving, watch me push it through. Forty and compiling, no more waiting on the sideline, First day, first job, and I'm finally on the timeline.
488 tokens in, 852 out · 9.1 s · $0.0095 · 1 message on Pro · answered by anthropic/claude-sonnet-5.5 via Anthropic ·
Gemini 3.1 Pro
Passed: Stated all 3 facts with the section.
Terminal Velocity [Verse 1] Four decades in the book, took a look at my reflection Needed something new, had to pivot my direction People said I'm late to the game, it's a younger race But I'm staring at the screen, bringing hunger to the space Midnight with the Python, chasing commas in the syntax Debugging the logic while I'm laying down the spin tracks Variables and loops, jumping hoops in the matrix Building up my skills from the dirt to the basics [Chorus] Click clack on the keys, yeah I'm breaking the code Forty years on the dash, taking the unknown road From a rookie in the dark to a seat at the desk Passed the test, leveled up, yeah I'm feeling my best [Verse 2] Staring at a bug that's been biting for a week straight Working past the sunset, pushing through the late weight Commits to the hub, turning every little square green Building applications on a glowing little flat screen Sending out the resume, facing the rejections Polishing the projects, making brilliant connections Age is just an integer, a number in the data I'm a developer now, I'll be writing logic later [Bridge] Got the email in the morning, asking for a phone call Whiteboard in the meeting, with my back against the brick wall Solved the algorithm, showed the team I could adapt Offer letter in my inbox, yeah the journey just snapped [Chorus] Click clack on the keys, yeah I'm breaking the code Forty years on the dash, taking the unknown road From a rookie in the dark to a seat at the desk Passed the test, leveled up, yeah I'm feeling my best
357 tokens in, 1,862 out (1,485 of them reasoning) · 16.3 s · $0.0115 · 1 message on Pro · answered by google/gemini-3.1-pro-preview via Google AI Studio ·
DeepSeek V4 Pro
Passed: Stated all 3 facts with the section.
Late Start, First Commit [Verse 1] Forty candles on the cake, I'm awake at 2 AM Kids asleep, I'm deep in code, learning loops and if and them Tutorials on split-screen, my coffee's gone lukewarm Every failed compile's just another lesson in the storm But the cursor keeps on blinking like a heartbeat in the dark And I'm typing out my future with a middle-aged spark They said learn it in your twenties or you'll never get the seat Now I'm forty and I'm hungry, got a repo and a beat [Chorus] From zero to hired, late nights and wires I debugged my doubt, now the offer's on fire Forty ain't a deadline, it's the starting line First paycheck as a dev, yeah, this code is mine [Verse 2] Recruiters left my inbox on read, said my resume was dead So I built a GitHub garden, pulled the weeds out of my head Pull requests and pair reviews, imposter in the room But I shipped a weather app that chased away the gloom Interview at nine AM, whiteboard felt like a cage But I talked through every step, turned the fear into a page Then the phone rang on a Friday, a voice said "You're the one" Forty years of life experience, now my coding's just begun [Chorus] From zero to hired, late nights and wires I debugged my doubt, now the offer's on fire Forty ain't a deadline, it's the starting line First paycheck as a dev, yeah, this code is mine [Bridge] They thought forty was the end of the road But I brought a full stack and a brand new mode Now my name's on a sprint board, not a birthday card Midlife pivot, full commit, I'm the avant-garde [Chorus] From zero to hired, late nights and wires I debugged my doubt, now the offer's on fire Forty ain't a deadline, it's the starting line First paycheck as a dev, yeah, this code is mine
348 tokens in, 3,252 out (2,800 of them reasoning) · 23.5 s · $0.0131 · 1 message on Pro · answered by deepseek/deepseek-v4-pro-0813 via Wafer ·
GPT-6 Astra
Passed: Stated all 3 facts with the section.
New Lines at 40 [Verse 1] Forty years old with a laptop glow, Cold tea, bent knee, watching code run slow. Pen marks, flowcharts, spread across the desk, One bug, deep breath, then another test. Missed brace, red trace, had me up till two, Read each line twice till the fix came through. Next day, replayed what I thought I knew, Built a small clock, watched the seconds move. Some nights, stage fright: “Am I far behind?” Then I saved that file for the hundredth time. No race to rewind, no years to erase, Just a blinking cursor and a little more faith. [Chorus] Forty, still growing, one line at a time, First dev job, and the badge is mine. Got a lot to learn, got a right to try, New lines on the screen, new light in my eyes. [Verse 2] Small site, late night, made the buttons click, Phone view broke, so I learned that fix. Git push, quick look, put my work online, Wrote down the why behind each design. Sent apps, heard back: “We went another way,” Felt that, stepped back, tried again next day. Screen share, spare chair, interview at home, Talked through the parts I could not solve alone. Then the phone rang with an offer and a date, Read the email twice, let it sink in late. First developer job, forty on the page, Shut the laptop gently, let myself celebrate. [Chorus] Forty, still growing, one line at a time, First dev job, and the badge is mine. Got a lot to learn, got a right to try, New lines on the screen, new light in my eyes. [Bridge] First day, name badge, coffee by the keys, New team said, “Come sit,” made a little room for me. First task, asked twice, took a page of notes, Small change, green check, and a teammate’s “Nice work.” Still stuck sometimes, still searching what to do, But now I pull my chair up with a whole new crew. [Chorus] Forty, still growing, one line at a time, First dev job, and the badge is mine. Got a lot to learn, got a right to try, New lines on the screen, new light in my eyes.
350 tokens in, 504 out · 58.3 s · $0.0144 · 1 message on Pro · answered by openai/gpt-6-astra via OpenAI ·
Claude Opus 5.5
Passed: Stated all 3 facts with the section.
Hello World at Forty [Verse 1] Forty candles on the cake, I'm awake at two a.m., Cursor blinking, overthinking, typing hello world again. Day shift at the warehouse, stacking pallets, taping boxes, Night shift at the kitchen table, chasing bugs like they were foxes. Library card, a secondhand laptop, fan loud as a freight train, Tutorials on pause, I rewind 'em, rewiring my late brain. Younger cats on forums say I started way too late, But a late start's still a start, and I'm done sitting on the bench to wait. [Chorus] Hello world, hello world, Forty and I'm finally in. Hello world, hello world, Late start, but I still win. [Verse 2] Missing semicolon cost a Sunday, lost it to a bracket, Rubber duck on the table heard it all but couldn't crack it. Built a to-do list, a weather app, a site for my cousin's bakery, Every little commit was proof the doubters couldn't break me. Sent out ninety applications, eighty-seven came back silent, One said "Come in Tuesday," so I practiced keeping quiet. Whiteboard in a glass room, marker squeaking, palms sweating, Reversed a string, explained my thinking, calm and steady, no forgetting. [Chorus] Hello world, hello world, Forty and I'm finally in. Hello world, hello world, Late start, but I still win. [Bridge] Error, error, try again, Debug the fear, rerun the plan. Error, error, one more time, Every crash just taught me a line. [Verse 3] Monday morning, badge on the lanyard, new hoodie with the crease, Standup with a team half my age, and my heart is at peace. First pull request approved, that little checkmark turning green, Called my wife from the Corolla, proudest that I've ever been. Kid asked what I do now, said "I tell computers what to say," Old boss said I was dreaming, guess the dream just got a payday. To the ones at forty-something with that doubt inside your chest, Open up the terminal, type one line, and write the rest. [Chorus] Hello world, hello world, Forty and I'm finally in. Hello world, hello world, Late start, but I still win.
488 tokens in, 2,208 out (1,418 of them reasoning) · 26.4 s · $0.0461 · 1 message on Pro · answered by anthropic/claude-opus-5.5 via Google ·
Claude Fable 5.1
Passed: Stated all 3 facts with the section.
Forty Lines of Code [Verse 1] Forty candles on the cake, and I'm awake past twelve, Laptop glowing on the table, stacking books on the shelf, Kids asleep, wife asleep, but I got a dream on repeat, Hello World on the screen and I feel it in my feet. Loops and functions, I'm confused, but I refuse to be through, Every error's just a tutor and it's schooling me too, Stack Overflow's my buddy, coffee's cold but I'm hot, Youngins finish in a weekend, takes me weeks, but I got Grit in my pockets, no degree but I'm rocking it, Semicolon missing, spent an hour just spotting it, They say the clock is ticking, I say let the clock talk, I'm building brick by brick and I ain't never gonna stop. [Chorus] Forty lines of code and I'm just getting started, Late bloomer, big dreamer, never gonna be discarded, Compile it, run it, watch the screen light up, Forty lines of code, yeah, I finally leveled up. [Verse 2] Sent a hundred applications, got a hundred "not now"s, Rewrote my whole résumé, learned to git push and git down, Built a little app that tracks my daughter's soccer scores, Deployed it Sunday morning while I'm mopping kitchen floors. Then the interview came, palms sweating like the sink, Whiteboard in my face, and they asking how I think, Told 'em twenty years of grinding taught me patience and pace, Debugging's just persistence with a smile on your face. Phone rang Tuesday, "Welcome to the team," Sat down on the stairs, man, I'm living in a dream, First badge on my lanyard, first commit at the desk, Gray hairs in the standup, but I'm passing every test. [Chorus] Forty lines of code and I'm just getting started, Late bloomer, big dreamer, never gonna be discarded, Compile it, run it, watch the screen light up, Forty lines of code, yeah, I finally leveled up. [Bridge] To the ones who think it's over 'cause the calendar flipped, Open up the editor, take another sip, Age is just an integer, life is not a race, Hit refresh, take a breath, find your place. [Chorus] Forty lines of code and I'm just getting started, Late bloomer, big dreamer, never gonna be discarded, Compile it, run it, watch the screen light up, Forty lines of code, yeah, I finally leveled up.
488 tokens in, 873 out · 15.9 s · $0.0485 · 1 message on Pro · answered by anthropic/claude-fable-5.1 via Google ·
More AI lyrics generator test inputs
The other AI lyrics generator test inputs, each with every model's reply, and the results across all five.
Questions
Which AI does best on “A rap about a late start”?
18 of 19 models passed this AI lyrics generator test input's check (key facts); Mistral Large 4 didn't. The cheapest reply that passed was GPT-6 Luna's, at $0.00010; the fastest, Claude Haiku 5.5's in 4.3 s. The dearest reply, Claude Fable 5.1's, cost 468 times as much ($0.0485).
What does a reply to “A rap about a late start” cost?
Through the models' APIs, what OpenRouter charged us ran from $0.00010 (GPT-6 Luna) to $0.0485 (Claude Fable 5.1) for this test input. In llmwise you don't pay by the token: a reply like these counts as one message on Pro, whichever model answers.
Claude, GPT, Gemini, DeepSeek, Grok, Kimi, GLM, and Mistral, in one chat.
See what a message costs before you send it. Free is 5 messages to try; sign in with an email link, no password or card.