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Tested prompt · Writing

Announce a second bakery shop on LinkedIn: every AI model's reply, tested

We sent this everyday writing prompt to all 16 models in llmwise, the same way the app sends a message, 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 16 of our test runs on , through OpenRouter with the app's own prompt and settings. Updated .

Short answer

14 of 16 models passed this writing prompt's check (rubric); Claude Sonnet 5 and Grok 4.7 didn't. The cheapest reply that passed was GPT-6 Luna's, at $0.00011; the fastest, DeepSeek V4 Pro's in 1.9 s. The dearest reply, Claude Fable 5.1's, cost 162 times as much ($0.0184).

The prompt, as sent, and its check

Checked by rubric (graded), the same way for every model.

Announce a second bakery shop on LinkedIn (everyday)

Write a LinkedIn post of 100 to 150 words announcing that our small bakery, Crumb & Co., opens a second shop in Leeds on 14 November. Mention the free coffee on opening day. Warm and plain, no hashtags.

Graded on:

  • Clear announcement: Says what's happening, where and when, clearly.
  • Tone: Warm and plain, not salesy or full of clichés.
  • Free coffee: Mentions the free coffee on opening day naturally.
  • Reads well: Reads well, with no filler.

Exactly what this prompt's replies are checked against, with every other prompt of our test runs.

Every model's result

All 16 models on this prompt, in catalog order.

Every model's reply to “Announce a second bakery shop on LinkedIn”
ModelResultCostTimeReply
Claude Fable 5.1AnthropicPassed: Graded 4.8 of 5 on average (lowest 4).$0.01847.3 s259 tokens
Claude Opus 5.5AnthropicPassed: Graded 5.0 of 5 on average (lowest 5).$0.01758.7 s225 tokens
Claude Sonnet 5.5AnthropicPassed: Graded 4.5 of 5 on average (lowest 4).$0.00353.3 s242 tokens
Claude Sonnet 5AnthropicFailed: Graded 3.5 of 5 on average (lowest 3).$0.00374.6 s267 tokens
Claude Haiku 4.5AnthropicPassed: Graded 4.0 of 5 on average (lowest 3).$0.00132.6 s169 tokens
GPT-6 AstraOpenAIPassed: Graded 4.5 of 5 on average (lowest 4).$0.01114.8 s144 tokens
GPT-6 SolOpenAIPassed: Graded 4.8 of 5 on average (lowest 4).$0.00273.5 s150 tokens
GPT-6 LunaOpenAIPassed: Graded 4.5 of 5 on average (lowest 4).$0.000112.9 s149 tokens
Gemini 3.1 Pro (preview)GooglePassed: Graded 4.0 of 5 on average (lowest 3).$0.01139.5 s169 tokens
Gemini 3.8 FlashGooglePassed: Graded 4.5 of 5 on average (lowest 4).$0.000923.9 s163 tokens
DeepSeek V4.1 FlashDeepSeekPassed: Graded 5.0 of 5 on average (lowest 5).$0.000222.9 s184 tokens
DeepSeek V4 ProDeepSeekPassed: Graded 4.3 of 5 on average (lowest 4).$0.000841.9 s176 tokens
Grok 4.7xAIFailed: Graded 4.5 of 5 on average (lowest 4); but 94 words, under the 100 asked for.$0.00224.0 s114 tokens
Kimi K3MoonshotPassed: Graded 4.5 of 5 on average (lowest 4).$0.00463.9 s196 tokens
GLM 5.3Z.aiPassed: Graded 4.3 of 5 on average (lowest 4).$0.000382.9 s188 tokens
GLM 5.3 FlashZ.aiPassed: Graded 4.5 of 5 on average (lowest 4).$0.001139.6 s152 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 2 replies that failed first, then the ones that passed, from the cheapest up.

  1. Grok 4.7

    Failed: Graded 4.5 of 5 on average (lowest 4); but 94 words, under the 100 asked for.

    We're opening a second Crumb & Co. shop in Leeds on 14 November.
    
    The new bakery will offer the same bread, cakes and pastries you already know from our first shop, baked fresh each morning. If you've been asking for a Leeds location, this one is for you.
    
    On opening day, coffee is free with any purchase. Come in, say hello, and try something from the counter. We'd love to meet you and hear what you'd like to see on the shelves.
    
    Thank you for supporting a small bakery. We can't wait to welcome you.

    1,624 tokens in, 207 out (93 of them reasoning) · 4.0 s · $0.0022 · 1 message on Pro · answered by x-ai/grok-4.7 via xAI ·

  2. Claude Sonnet 5

    Failed: Graded 3.5 of 5 on average (lowest 3).

    We have some exciting news to share: Crumb & Co. is opening our second shop, this time in Leeds!
    
    From our very first bakery, we've believed in doing simple things well — proper sourdough, honest pastries, and coffee worth stopping for. Now we get to bring that same spirit to a new neighbourhood and, hopefully, a whole new group of familiar faces.
    
    Our Leeds shop opens its doors on 14 November, and we'd love for you to be there. To celebrate, every coffee on opening day is on us — no catch, just our way of saying thank you for supporting us along the way.
    
    This has been months of planning, a lot of taste-testing, and more excitement than we know what to do with. We can't wait to welcome you in, share some fresh bakes, and start building new memories together.
    
    See you there — first coffee's on the house.

    538 tokens in, 267 out · 4.6 s · $0.0037 · 1 message on Pro · answered by anthropic/claude-sonnet-5 via Claude Platform on AWS ·

  3. GPT-6 Luna

    Passed: Graded 4.5 of 5 on average (lowest 4).

    We’re delighted to share that Crumb & Co. is opening a second shop in Leeds on 14 November!
    
    What began as one small bakery has grown thanks to the lovely people who’ve stopped by, shared a loaf, and made us feel part of the community. We’re excited to bring our freshly baked bread, pastries, and warm welcomes to a new neighbourhood.
    
    To celebrate opening day, we’ll be giving away free coffee. Pop in, say hello, and enjoy a cup with us—we’d love to meet you.
    
    Thank you to everyone who has supported Crumb & Co. so far. We can’t wait to open the doors and start this next chapter together. See you in Leeds on 14 November!

    389 tokens in, 149 out · 2.9 s · $0.0001 · 1 message on Pro · answered by openai/gpt-6-luna via OpenAI ·

  4. DeepSeek V4.1 Flash

    Passed: Graded 5.0 of 5 on average (lowest 5).

    Some news we've been sitting on for a while: Crumb & Co. is opening a second shop, in Leeds, on 14 November.
    
    We started six years ago with one oven, one counter and a lot of very early mornings. The idea was simple — good bread, made slowly, sold to people who'd walk a bit out of their way for it. That we get to do it in a second place still feels a little unreal.
    
    The new shop will have the same loaves, the same pastries, the same slightly chaotic Saturday mornings. There's more seating, and a window that actually gets sun.
    
    To say thank you, coffee is free all day on opening day. No catch, no app, no code — just come in and we'll make you one.
    
    We'd love to see you there. Thank you for getting us this far.
    
    — The Crumb & Co. team

    428 tokens in, 203 out (19 of them reasoning) · 2.9 s · $0.0002 · 1 message on Pro · answered by deepseek/deepseek-v4.1-flash via GMICloud ·

  5. GLM 5.3

    Passed: Graded 4.3 of 5 on average (lowest 4).

    Some news we've been itching to share: Crumb & Co. is opening a second shop!
    
    On 14 November, we'll be firing up the ovens in Leeds, bringing the same breads, pastries and cakes you've come to know us for to a brand-new corner of the world. It's a big step for a small bakery, and honestly, we couldn't be more excited (and a little nervous, in the best way).
    
    The new shop will have everything you love from our original spot — slow-fermented sourdough, buttery croissants, and weekend treats that disappear fast — plus a few surprises we're still perfecting.
    
    To celebrate opening day, every customer gets a free coffee with their purchase. So come along, say hello, and grab a cup on us.
    
    Leeds, we can't wait to meet you. See you on 14 November — come hungry.

    402 tokens in, 188 out · 2.9 s · $0.0004 · 1 message on Pro · answered by z-ai/glm-5.3 via Baidu ·

  6. DeepSeek V4 Pro

    Passed: Graded 4.3 of 5 on average (lowest 4).

    Some lovely news from Crumb & Co. This November, we're opening the doors to our second bakery, this time in Leeds.
    
    It's been a long-held dream to bring our bread, pastries and cakes to a new neighbourhood, and we're so pleased it's finally happening. From 14 November, you'll find us on the corner of Briggate and Boar Lane, with the same slow-fermented sourdough, buttery croissants and cakes we bake each morning.
    
    To celebrate, we'd love to buy you a coffee on opening day. Drop by on Thursday 14 November and your first cup is on us, whether you're stopping for a pastry or just saying hello.
    
    If you're in Leeds, we'd love to see you. Thank you to everyone who has supported us so far. We couldn't have done this without you.

    400 tokens in, 213 out (37 of them reasoning) · 1.9 s · $0.0008 · 1 message on Pro · answered by deepseek/deepseek-v4-pro-0813 via Wafer ·

  7. Gemini 3.8 Flash

    Passed: Graded 4.5 of 5 on average (lowest 4).

    Big news from our kitchen: Crumb & Co. is growing. 
    
    On Friday, 14 November, we are opening the doors to our second shop in Leeds. When we first started baking, we never imagined we’d have the chance to bring our sourdough, pastries, and treats to a whole new neighbourhood, and we are so grateful for the support that made this possible.
    
    To celebrate, opening day coffee is on us. Whether you’re grabbing a flat white on your morning commute or stopping by to check out the new counter, we’d love to see you. Come say hello, meet the team, and pick up your favourite loaf. 
    
    We can’t wait to welcome you in and become part of the Leeds community. See you on the 14th!

    417 tokens in, 163 out · 3.9 s · $0.0009 · 1 message on Pro · answered by google/gemini-3.8-flash via Google ·

  8. GLM 5.3 Flash

    Passed: Graded 4.5 of 5 on average (lowest 4).

    Big news from all of us at Crumb & Co: we're opening a second shop, and it's in Leeds!
    
    On 14 November, we'll welcome you through our new doors for the first time. Expect warm bread, sweet treats, and the same care you've come to know from our first bakery — now baked fresh for a new neighbourhood.
    
    None of this would be possible without the wonderful regulars who've supported us since day one. Thank you for growing with us.
    
    And to say thank you to Leeds for the welcome we know you'll give us, coffee is on the house all day on opening day. Just pop in, say hello, and grab a cup on us.
    
    We can't wait to meet you. Come hungry.

    403 tokens in, 1,770 out (1,618 of them reasoning) · 39.6 s · $0.0011 · 1 message on Pro · answered by z-ai/glm-5.3-flash via Wafer ·

  9. Claude Haiku 4.5

    Passed: Graded 4.0 of 5 on average (lowest 3).

    We're thrilled to announce that Crumb & Co. is expanding! Our second shop opens in Leeds on 14 November.
    
    Since we started, you've supported us with every sourdough, pastry, and cup of coffee. This new location means more of you can enjoy fresh-baked goodness closer to home.
    
    To say thank you, we're offering complimentary coffee all day on opening day. Pop by, say hello, and see what we've built.
    
    Our Leeds team is ready to welcome you with the same warmth and quality that defines Crumb & Co. Same recipes, same care, same commitment to baking something special each morning.
    
    Here's to new beginnings—and more reasons to visit us.
    
    See you on 14 November.

    420 tokens in, 169 out · 2.6 s · $0.0013 · 1 message on Pro · answered by anthropic/claude-haiku-4.5 via Amazon Bedrock ·

  10. GPT-6 Sol

    Passed: Graded 4.8 of 5 on average (lowest 4).

    We’re happy to share that Crumb & Co. is opening a second shop in Leeds on 14 November.
    
    When we opened our first bakery, we hoped to make good bread and bakes for our neighbours. The support we’ve had since then has meant more than we can say. Opening another shop is a big step for our small team, and we’re grateful to everyone who has helped us get here.
    
    If you’re in Leeds on opening day, please stop by and say hello. Coffee is on us all day, and we’d love to welcome you into the new space.
    
    Thank you for making room for Crumb & Co. in your routine. We can’t wait to meet more of our neighbours.

    389 tokens in, 189 out (39 of them reasoning) · 3.5 s · $0.0027 · 1 message on Pro · answered by openai/gpt-6-sol via OpenAI ·

  11. Claude Sonnet 5.5

    Passed: Graded 4.5 of 5 on average (lowest 4).

    We're opening a second shop, and we can hardly wait to tell you.
    
    On 14 November, Crumb & Co. is coming to Leeds.
    
    When we started out, it was a small bakery with a big oven and a simple idea: make good bread, treat people kindly, and let the rest follow. Your support over the years has made this next step possible, and we're grateful for every early morning, every loyal order and every kind word.
    
    The new shop will have the same fresh loaves, pastries and cakes you know, baked with the same care. It will be a place to pop in, say hello and take something warm home.
    
    To celebrate, we're giving away free coffee all day on opening day. Come along, bring a friend, and help us make our first day one to remember.
    
    See you in Leeds on 14 November.

    542 tokens in, 242 out · 3.3 s · $0.0035 · 1 message on Pro · answered by anthropic/claude-sonnet-5.5 via Anthropic ·

  12. Kimi K3

    Passed: Graded 4.5 of 5 on average (lowest 4).

    Big news from Crumb & Co. — we're opening our second shop in Leeds on 14 November!
    
    When we started this little bakery, we never imagined we'd grow beyond our first shop. But thanks to everyone who's queued for our sourdough, recommended us to a friend, or simply popped in for a chat and a cinnamon bun, here we are. A second home, a new neighbourhood, and a lot of excitement (and a little nervousness) on our side.
    
    To say thank you, we'll be handing out free coffee all day on opening day. Come along, grab a cup, try something fresh from the oven, and say hello — we'd love to meet our new neighbours.
    
    Same recipes, same care, same friendly faces (plus a few new ones). Just a new postcode.
    
    Doors open 14 November. We can't wait to see you there.
    
    — The Crumb & Co. team

    476 tokens in, 210 out (14 of them reasoning) · 3.9 s · $0.0046 · 1 message on Pro · answered by moonshotai/kimi-k3 via Together ·

  13. GPT-6 Astra

    Passed: Graded 4.5 of 5 on average (lowest 4).

    We’ve got some lovely news: Crumb & Co. is opening a second shop in Leeds on 14 November.
    
    As a small bakery, this is a big step for us. We’re grateful to everyone who has stopped by for a loaf, picked up a treat, or told a friend about us. Your support has helped make this possible.
    
    We’re looking forward to meeting our new neighbours and welcoming familiar faces through the door. To celebrate, we’ll be offering free coffee on opening day. Come and say hello, have a look around, and enjoy a cup on us.
    
    Thank you for being part of Crumb & Co. We can’t wait to welcome you to our second home.

    389 tokens in, 144 out · 4.8 s · $0.0111 · 1 message on Pro · answered by openai/gpt-6-astra via OpenAI ·

  14. Gemini 3.1 Pro

    Passed: Graded 4.0 of 5 on average (lowest 3).

    We are absolutely thrilled to share some wonderful news with you all. Our little bakery, Crumb & Co., is growing! Thanks to your incredible support over the years, we are opening the doors to our second shop in Leeds on the 14th of November. 
    
    When we first started baking, we never imagined we would be able to share our pastries and breads with so many lovely people. This new chapter in Leeds means the world to us, and we cannot wait to become a part of the local community. 
    
    To celebrate this exciting milestone, we would love for you to join us on our opening day. Pop in to say hello, check out the new space, and enjoy a free cup of coffee on us. We are so grateful for your continued support and look forward to welcoming you to our new home very soon.

    417 tokens in, 876 out (707 of them reasoning) · 9.5 s · $0.0113 · 1 message on Pro · answered by google/gemini-3.1-pro-preview via Google ·

  15. Claude Opus 5.5

    Passed: Graded 5.0 of 5 on average (lowest 5).

    Some news we've been keen to share: Crumb & Co. is opening a second shop in Leeds on 14 November.
    
    When we first opened our doors, we hoped a few people might come back for a second loaf. We never imagined the support we'd get from so many of you, week after week. Your custom, your kind words and your recommendations to friends are what made this possible.
    
    The new shop will have the same bread, pastries and cakes you know, baked fresh each morning by the same small team, with a few new faces joining us.
    
    To say thank you, coffee is on us all day on opening day. Pop in, say hello and have a look around.
    
    We can't wait to meet our new neighbours and to see familiar faces too. See you on the 14th.

    540 tokens in, 768 out (543 of them reasoning) · 8.7 s · $0.0175 · 1 message on Pro · answered by anthropic/claude-opus-5.5 via Claude Platform on AWS ·

  16. Claude Fable 5.1

    Passed: Graded 4.8 of 5 on average (lowest 4).

    We're opening a second Crumb & Co.
    
    When we started baking out of one small shop, we didn't imagine we'd ever need a second oven, let alone a second door. But our customers kept coming back, kept telling their friends, and kept asking whether we might ever open somewhere closer to them. So we listened.
    
    On 14 November, Crumb & Co. opens in Leeds.
    
    It'll be the same bread, the same pastries, and the same early mornings, just in a new neighbourhood. We've been baking test batches for weeks to make sure the first loaf out of the Leeds oven tastes exactly like the ones you already know.
    
    To say thank you, coffee is on us all day on opening day. Come by, have a cup, and try something warm from the counter.
    
    We'd love to see you there. Thank you for getting us here.

    540 tokens in, 259 out · 7.3 s · $0.0184 · 1 message on Pro · answered by anthropic/claude-fable-5.1 via Anthropic ·

More writing prompts

The other writing prompts, each with every model's reply, and the results across all five.

Questions

Which AI does best on “Announce a second bakery shop on LinkedIn”?

14 of 16 models passed this writing prompt's check (rubric); Claude Sonnet 5 and Grok 4.7 didn't. The cheapest reply that passed was GPT-6 Luna's, at $0.00011; the fastest, DeepSeek V4 Pro's in 1.9 s. The dearest reply, Claude Fable 5.1's, cost 162 times as much ($0.0184).

What does a reply to “Announce a second bakery shop on LinkedIn” cost?

Through the models' APIs, what OpenRouter charged us ran from $0.00011 (GPT-6 Luna) to $0.0184 (Claude Fable 5.1) for this prompt. 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, and GLM, 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.