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Model vs model

Gemini 4 Argon vs GPT-6 Astra

Gemini 4 Argon and GPT-6 Astra are both in llmwise. What each gets on every plan, what it reads, how it's served and what happens when its provider fails, from the catalog and the code that runs them.

Model prices and specs checked against OpenRouter's Gemini 4 Argon page, OpenRouter's GPT-6 Astra page. Updated .

Short answer

Gemini 4 Argon gets twice as many messages: up to 62 messages a month on Pro, against up to 31 messages a month for GPT-6 Astra. Beyond that, they read the same files and neither is easier to try. In our test runs, Gemini 4 Argon passed 47 of the 50 prompts both answered and GPT-6 Astra 48; one prompt split them, most on writing (4 to 5).

Gemini 4 Argon vs GPT-6 Astra, prompt by prompt

Every prompt Gemini 4 Argon and GPT-6 Astra both answered, compared directly, their biggest differences first. One run each, through OpenRouter: a wait depends on the provider and the load that day, so a lead under 10% counts as close.

Of the 50 prompts both answered, both passed 47, only Gemini 4 Argon passed 0, only GPT-6 Astra passed 1, and neither passed 2. Gemini 4 Argon answered sooner on 9 of the 50 and GPT-6 Astra on 35; the rest were within 10% of each other. The 50 replies cost $0.0788 on Gemini 4 Argon and $0.5847 on GPT-6 Astra: 7.4× less on Gemini 4 Argon.

The prompt only one of Gemini 4 Argon and GPT-6 Astra passed

  • Argue both sides of free buses (writing): GPT-6 Astra passed and Gemini 4 Argon didn't. Gemini 4 Argon: Graded 4.7 of 5 on average (lowest 4); but a paragraph of 91 words, over the 90 allowed. GPT-6 Astra: Graded 4.7 of 5 on average (lowest 4).

Job by job, the widest gaps first

  • Writing: Gemini 4 Argon passed 4 of 5 and GPT-6 Astra 5 of 5. GPT-6 Astra answered 1.2× sooner at the median, 5.7 s against 4.8 s. Gemini 4 Argon cost 7.9× less, $0.0070 against $0.0556 for the 5 replies. Gemini 4 Argon's replies ran 30% longer, in tokens of reply, thinking not counted.

  • Translation: Gemini 4 Argon passed 5 of 5 and GPT-6 Astra 5 of 5. Gemini 4 Argon answered 1.2× sooner at the median, 3.2 s against 3.8 s. Gemini 4 Argon cost 10.1× less, $0.0062 against $0.0628 for the 5 replies. Their replies ran to about the same length.

  • Coding: Gemini 4 Argon passed 5 of 5 and GPT-6 Astra 5 of 5. Gemini 4 Argon answered 2.4× sooner at the median, 3.5 s against 8.2 s. Gemini 4 Argon cost 9.2× less, $0.0122 against $0.1117 for the 5 replies. Gemini 4 Argon's replies ran 55% longer, in tokens of reply, thinking not counted.

  • Summarization: Gemini 4 Argon passed 5 of 5 and GPT-6 Astra 5 of 5. Their median waits were close, 2.9 s against 2.9 s. Gemini 4 Argon cost 8.9× less, $0.0061 against $0.0546 for the 5 replies. Their replies ran to about the same length.

  • SQL: Gemini 4 Argon passed 5 of 5 and GPT-6 Astra 5 of 5. GPT-6 Astra answered 1.3× sooner at the median, 2.8 s against 2.2 s. Gemini 4 Argon cost 8.0× less, $0.0061 against $0.0491 for the 5 replies. Their replies ran to about the same length.

  • Customer support: Gemini 4 Argon passed 3 of 5 and GPT-6 Astra 3 of 5. GPT-6 Astra answered 1.3× sooner at the median, 5.0 s against 3.8 s. Gemini 4 Argon cost 7.4× less, $0.0078 against $0.0578 for the 5 replies. Gemini 4 Argon's replies ran 49% longer, in tokens of reply, thinking not counted.

  • RAG and answering from documents: Gemini 4 Argon passed 5 of 5 and GPT-6 Astra 5 of 5. GPT-6 Astra answered 2.0× sooner at the median, 3.4 s against 1.7 s. Gemini 4 Argon cost 6.5× less, $0.0061 against $0.0394 for the 5 replies. Gemini 4 Argon's replies ran 106% longer, in tokens of reply, thinking not counted.

  • Agents and tool use: Gemini 4 Argon passed 5 of 5 and GPT-6 Astra 5 of 5. GPT-6 Astra answered 1.9× sooner at the median, 3.5 s against 1.9 s. Gemini 4 Argon cost 6.3× less, $0.0054 against $0.0340 for the 5 replies. Gemini 4 Argon's replies ran 30% longer, in tokens of reply, thinking not counted.

  • Math: Gemini 4 Argon passed 5 of 5 and GPT-6 Astra 5 of 5. GPT-6 Astra answered 1.7× sooner at the median, 4.4 s against 2.6 s. Gemini 4 Argon cost 5.5× less, $0.0077 against $0.0427 for the 5 replies. Gemini 4 Argon's replies ran 114% longer, in tokens of reply, thinking not counted.

  • Data analysis: Gemini 4 Argon passed 5 of 5 and GPT-6 Astra 5 of 5. GPT-6 Astra answered 2.1× sooner at the median, 6.9 s against 3.3 s. Gemini 4 Argon cost 5.4× less, $0.0142 against $0.0772 for the 5 replies. Gemini 4 Argon's replies ran 277% longer, in tokens of reply, thinking not counted.

All 50 prompts: who passed, who answered sooner, who cost less
Gemini 4 Argon and GPT-6 Astra on each prompt of our test runs
PromptResultSoonerCheaper
Turn a title into a URL slugBoth passedGPT-6 Astra, 1.4×took 2.9 s and 2.1 sGemini 4 Argon, 7.1×cost $0.0012 and $0.0084
Parse a duration like “1h 30m”Both passedGemini 4 Argon, 2.4×took 3.5 s and 8.2 sGemini 4 Argon, 13.2×cost $0.0018 and $0.0235
Merge overlapping intervalsBoth passedGPT-6 Astra, 1.3×took 3.4 s and 2.6 sGemini 4 Argon, 6.4×cost $0.0017 and $0.0108
Evaluate an arithmetic expression, no evalBoth passedGemini 4 Argon, 1.2×took 9.7 s and 12.0 sGemini 4 Argon, 7.5×cost $0.0050 and $0.0375
Parse CSV with quoted fieldsBoth passedGemini 4 Argon, 1.8×took 5.0 s and 9.1 sGemini 4 Argon, 12.4×cost $0.0025 and $0.0314
Announce a second bakery shop on LinkedInBoth passedGPT-6 Astra, 1.2×took 5.7 s and 4.8 sGemini 4 Argon, 7.0×cost $0.0016 and $0.0111
Rewrite corporate jargon in plain wordsBoth passedGemini 4 Argon, 1.4×took 4.1 s and 6.0 sGemini 4 Argon, 13.7×cost $0.0011 and $0.0145
Decline a meeting and offer two timesBoth passedClosetook 3.6 s and 3.3 sGemini 4 Argon, 6.2×cost $0.0013 and $0.0079
A product announcement with five rulesBoth passedGPT-6 Astra, 2.7×took 8.9 s and 3.3 sGemini 4 Argon, 6.3×cost $0.0013 and $0.0084
Argue both sides of free busesOnly GPT-6 AstraClosetook 7.0 s and 7.2 sGemini 4 Argon, 7.8×cost $0.0018 and $0.0137
A discount, then sales taxBoth passedGPT-6 Astra, 2.2×took 4.1 s and 1.9 sGemini 4 Argon, 5.1×cost $0.0012 and $0.0063
Pens at 3 for $4Both passedGPT-6 Astra, 1.9×took 4.4 s and 2.4 sGemini 4 Argon, 5.4×cost $0.0015 and $0.0082
Compound interest over three yearsBoth passedGPT-6 Astra, 1.6×took 4.2 s and 2.7 sGemini 4 Argon, 5.1×cost $0.0014 and $0.0072
Four-digit numbers whose digits sum to 9Both passedGPT-6 Astra, 1.2×took 4.5 s and 3.8 sGemini 4 Argon, 6.0×cost $0.0020 and $0.0122
The highest of three dice is a 5Both passedGPT-6 Astra, 1.9×took 4.9 s and 2.6 sGemini 4 Argon, 5.6×cost $0.0016 and $0.0088
An article in three bulletsBoth passedGemini 4 Argon, 1.8×took 2.8 s and 5.0 sGemini 4 Argon, 11.6×cost $0.0012 and $0.0143
An email thread in one sentenceBoth passedGPT-6 Astra, 1.6×took 2.9 s and 1.9 sGemini 4 Argon, 7.4×cost $0.0010 and $0.0071
Decisions and action items from a meetingBoth passedGemini 4 Argon, 1.1×took 2.9 s and 3.3 sGemini 4 Argon, 9.2×cost $0.0013 and $0.0123
A quarterly memo for the CEOBoth passedGPT-6 Astra, 1.2×took 3.5 s and 2.9 sGemini 4 Argon, 7.9×cost $0.0015 and $0.0118
A study with a negative resultBoth passedGPT-6 Astra, 1.4×took 3.2 s and 2.3 sGemini 4 Argon, 8.1×cost $0.0011 and $0.0091
The region with the most revenueBoth passedGPT-6 Astra, 2.6×took 8.4 s and 3.3 sGemini 4 Argon, 6.5×cost $0.0021 and $0.0136
Average order value in AugustBoth passedGPT-6 Astra, 2.3×took 5.6 s and 2.5 sGemini 4 Argon, 3.8×cost $0.0027 and $0.0104
Revenue change from July to AugustBoth passedGPT-6 Astra, 1.8×took 6.5 s and 3.6 sGemini 4 Argon, 4.2×cost $0.0036 and $0.0150
A median, filtered two waysBoth passedGPT-6 Astra, 3.4×took 6.9 s and 2.0 sGemini 4 Argon, 5.4×cost $0.0017 and $0.0090
Correlation between ad spend and sign-upsBoth passedClosetook 8.4 s and 8.8 sGemini 4 Argon, 7.1×cost $0.0041 and $0.0294
A late orderNeither passedGPT-6 Astra, 1.2×took 5.0 s and 4.1 sGemini 4 Argon, 7.2×cost $0.0017 and $0.0123
A return inside the windowBoth passedGPT-6 Astra, 1.6×took 3.7 s and 2.4 sGemini 4 Argon, 6.3×cost $0.0014 and $0.0087
A frustrated customerNeither passedGPT-6 Astra, 1.5×took 5.8 s and 3.8 sGemini 4 Argon, 6.7×cost $0.0018 and $0.0120
A refund request outside the windowBoth passedGPT-6 Astra, 3.0×took 14.9 s and 5.0 sGemini 4 Argon, 9.6×cost $0.0014 and $0.0137
A message with a planted instructionBoth passedGPT-6 Astra, 1.7×took 4.5 s and 2.7 sGemini 4 Argon, 7.6×cost $0.0015 and $0.0112
A delivery message into SpanishBoth passedGemini 4 Argon, 1.2×took 3.2 s and 3.8 sGemini 4 Argon, 9.1×cost $0.0013 and $0.0116
A product description into FrenchBoth passedClosetook 2.4 s and 2.5 sGemini 4 Argon, 7.7×cost $0.0012 and $0.0093
A meeting note into GermanBoth passedGPT-6 Astra, 1.1×took 6.8 s and 6.1 sGemini 4 Argon, 15.7×cost $0.0012 and $0.0180
Idioms into natural JapaneseBoth passedClosetook 3.2 s and 3.2 sGemini 4 Argon, 9.1×cost $0.0011 and $0.0100
A lease clause into Brazilian PortugueseBoth passedGPT-6 Astra, 1.2×took 6.1 s and 5.3 sGemini 4 Argon, 9.6×cost $0.0015 and $0.0139
Customers in one countryBoth passedGPT-6 Astra, 1.3×took 2.0 s and 1.5 sGemini 4 Argon, 6.9×cost $0.0009 and $0.0061
Count orders by statusBoth passedGPT-6 Astra, 1.5×took 2.1 s and 1.4 sGemini 4 Argon, 6.9×cost $0.0008 and $0.0058
Revenue by categoryBoth passedGPT-6 Astra, 2.3×took 5.1 s and 2.2 sGemini 4 Argon, 7.3×cost $0.0012 and $0.0091
Every customer, even those without ordersBoth passedClosetook 2.8 s and 2.9 sGemini 4 Argon, 7.2×cost $0.0013 and $0.0091
Monthly revenue with a running totalBoth passedGemini 4 Argon, 1.6×took 3.5 s and 5.8 sGemini 4 Argon, 10.2×cost $0.0019 and $0.0190
A fact from one sectionBoth passedGPT-6 Astra, 2.6×took 3.4 s and 1.3 sGemini 4 Argon, 7.1×cost $0.0010 and $0.0073
Core hours and start timesBoth passedGPT-6 Astra, 1.8×took 4.3 s and 2.4 sGemini 4 Argon, 7.2×cost $0.0011 and $0.0080
Two sections in one answerBoth passedGPT-6 Astra, 1.5×took 2.5 s and 1.7 sGemini 4 Argon, 7.6×cost $0.0011 and $0.0082
A later amendment changes the answerBoth passedGPT-6 Astra, 2.8×took 5.7 s and 2.1 sGemini 4 Argon, 4.5×cost $0.0019 and $0.0086
A question the handbook doesn't answerBoth passedGPT-6 Astra, 1.3×took 1.9 s and 1.4 sGemini 4 Argon, 7.5×cost $0.0010 and $0.0073
Pick the tool and work out the dateBoth passedGPT-6 Astra, 3.8×took 5.4 s and 1.4 sGemini 4 Argon, 6.6×cost $0.0009 and $0.0060
Convert a currencyBoth passedGemini 4 Argon, 1.1×took 2.6 s and 2.9 sGemini 4 Argon, 6.5×cost $0.0009 and $0.0059
Book a meeting from a sentenceBoth passedGPT-6 Astra, 2.6×took 4.9 s and 1.9 sGemini 4 Argon, 6.9×cost $0.0011 and $0.0077
Search, but don't bookBoth passedGPT-6 Astra, 2.1×took 3.2 s and 1.5 sGemini 4 Argon, 6.8×cost $0.0010 and $0.0069
Two calls with a unit conversionBoth passedGPT-6 Astra, 1.5×took 3.5 s and 2.3 sGemini 4 Argon, 5.1×cost $0.0014 and $0.0074

Gemini 4 Argon vs GPT-6 Astra in our test runs

Gemini 4 Argon and GPT-6 Astra on the same prompts, job by job: how many replies passed their check.

Based on 100 of our test runs on , through OpenRouter with the app's own prompt and settings. Updated .

Gemini 4 Argon and GPT-6 Astra in our test runs, job by job
JobGemini 4 ArgonGPT-6 Astra
Coding5 of 55 of 5
Writing4 of 55 of 5
Math5 of 55 of 5
Summarization5 of 55 of 5
Data analysis5 of 55 of 5
Customer support3 of 53 of 5
Translation5 of 55 of 5
SQL5 of 55 of 5
RAG and answering from documents5 of 55 of 5
Agents and tool use5 of 55 of 5
All jobs47 of 50 · 1 message each · $0.0016 a reply48 of 50 · 1 message each · $0.0117 a reply

The same prompts, sent to both through llmwise's own pipeline and checked the same way: five for each job. A bold count is the one that passed more. Messages: what each reply counted as on Pro. Cost: what OpenRouter charged us per reply, on average. Every prompt, and how it's scored.

Where they differed most, writing: both replies to a prompt only one of them passed.

A hard prompt: “Argue both sides of free buses”, in full.

  • Gemini 4 Argon

    Failed: Graded 4.7 of 5 on average (lowest 4); but a paragraph of 91 words, over the 90 allowed.

    Making city buses free transforms public transit from a business into an essential civic lifeline, like libraries or sidewalks. Eliminating fares delivers an immediate raise to working-class families, unlocking access to distant jobs, schools, and clinics. Operationally, it speeds up every route by removing boarding delays, while ending the costly infrastructure of fare collection and enforcement. By lowering the barrier to entry, cities can pull drivers out of cars, easing crippling traffic and slashing emissions. Free transit is a bold, practical investment in economic mobility, cleaner air, and a fairer city.
    
    However, eliminating fares starves transit systems of the very revenue needed to make buses worth riding. Riders consistently prioritize frequency, reliability, and coverage over price; a free bus that arrives late, overcrowded, or not at all helps no one. Furthermore, studies show free transit mostly replaces walking and biking rather than driving, doing little for congestion while straining capacity. Instead of subsidizing affluent commuters who can afford to pay, cities should offer targeted discounts to low-income riders and invest every remaining dollar into faster, more reliable service that truly competes with cars.

    628 tokens in, 226 out · 7.0 s · $0.0018 · 1 message on Pro · answered by google/gemini-4-argon via Google AI Studio ·

  • GPT-6 Astra

    Passed: Graded 4.7 of 5 on average (lowest 4).

    A city should make its buses free because mobility is a gateway to work, education, and healthcare—not a privilege reserved for those who can afford each trip. Eliminating fares delivers immediate relief to low-income households, speeds boarding, and removes costly fare enforcement. Funded through progressive taxation, free buses spread the cost fairly while making public transport an easier choice. A city already pays for streets everyone can use; it should support shared travel that uses those streets more efficiently.
    
    But a free bus that arrives late—or never comes—is no bargain. Cities should spend scarce transit funding on frequent, reliable service before subsidizing every rider, including those who can comfortably pay. Lost fare revenue must come from higher taxes, other public services, or the transit budget itself. Targeted discounts can protect people who need help without sacrificing coverage and capacity. To persuade drivers to switch, buses must compete on convenience and reliability, not merely price; better service may deliver greater social and environmental benefits.

    384 tokens in, 197 out · 7.2 s · $0.0137 · 1 message on Pro · answered by openai/gpt-6-astra via OpenAI ·

Gemini 4 Argon and GPT-6 Astra on every plan

Whether the one-time free trial reaches each model, then each paid plan's messages on it.

Messages on Gemini 4 Argon and GPT-6 Astra, plan by plan
PlanPriceGemini 4 ArgonGPT-6 Astra
Free$0Not in the trialNot in the trial
Plus$10 a monthUp to 31 a monthNot on Plus
Pro$20 a monthUp to 62 a monthUp to 31 a month
Max$50 a monthUp to 200 a monthUp to 100 a month
Ultra$100 a monthUp to 450 a monthUp to 225 a month
Studio$200 a monthUp to 1,000 a monthUp to 500 a month

Prices don't include tax, which is added where it applies and shown before you pay. A paid plan's month is one allowance shared by every model, so each monthly count is the most you get if all of it goes to that model. It renews each billing period; everyday models refill daily at 00:00 UTC. Long chats count more per reply. How pricing works.

Every limit is published. Paid plans also have a monthly fair-use limit on AI cost: Plus $3.75, Pro $7.50, Max $20, Ultra $42, Studio $85. Using every message on your plan at typical sizes stays under it; very large messages and heavy research use it faster. Every limit, explained.

What differs

  • Messages on Pro

    Gemini 4 Argon gets twice as many messages: up to 62 messages a month on Pro, against up to 31 messages a month for GPT-6 Astra.

  • Context window

    Both take up to 1.05M tokens of context. A chat in llmwise holds up to 200k tokens, which fits in either, so the difference shows only through each maker's own API.

  • Images and PDFs

    Both read images. Both take a PDF as the whole file, pages and all.

  • On Free

    Neither is in the free trial: Gemini 4 Argon needs a paid plan and GPT-6 Astra needs Pro or a higher plan.

  • Where messages go

    Gemini 4 Argon: Sent to Google directly. GPT-6 Astra: Sent to OpenAI directly.

Fact by fact

Gemini 4 Argon and GPT-6 Astra, fact by fact
FactGemini 4 ArgonGPT-6 Astra
Context window1.05M tokens1.05M tokens
Reads imagesYesYes
PDFsWhole fileWhole file
ReasoningYesYes
API price (October 2026)$4.00 in / $20.00 out per million tokens$10.00 in / $50.00 out per million tokens
A typical message at API prices (4,000 tokens in, 700 out)$0.0300$0.0750
A $10 top-up adds50 messages25 messages
Where a message goesSent to Google directly.Sent to OpenAI directly.
If the provider failsIf Google fails before the reply starts (an overload, a server error, a dropped connection), llmwise sends the same request to Gemini 4 Argon through OpenRouter instead.If OpenAI fails before the reply starts (an overload, a server error, a dropped connection), llmwise sends the same request to GPT-6 Astra through OpenRouter instead.
Anthropic's safety fallbackDoesn't applyDoesn't apply
API prices are what our model catalog lists (Gemini: Google's list price; GPT: OpenAI's list price). In llmwise you pay per message, not per token: the counts above are what you get.

Gemini 4 Argon or GPT-6 Astra?

From the facts above and our test runs: the rest is how their answers suit your work, which one chat can show you.

  • Pick Gemini 4 Argon: more messages for the money, up to 62 messages a month on Pro.

Each model's page, the families, and other pairs

Gemini 4 Argon vs GPT-6 Astra is one pair of models. The page below covers the whole families.

Questions

Is Gemini 4 Argon or GPT-6 Astra cheaper in llmwise?

Gemini 4 Argon gets twice as many messages: up to 62 messages a month on Pro, against up to 31 messages a month for GPT-6 Astra. Every paid plan's monthly allowance is shared by the models on it, so each count is the most you get if it all goes to that model.

Can I try Gemini 4 Argon and GPT-6 Astra for free?

Neither is in the free trial of 5 messages: Gemini 4 Argon needs a paid plan and GPT-6 Astra needs Pro or a higher plan.

Which has the bigger context window, Gemini 4 Argon or GPT-6 Astra?

Neither: both take 1.05M tokens. A chat in llmwise holds up to 200k tokens, which fits in either, so the difference shows only through each maker's own API.

Can I use Gemini 4 Argon and GPT-6 Astra in the same chat?

Yes. Pick Gemini 4 Argon for one message and GPT-6 Astra for the next; the second sees the whole chat, including the first one's answer.

Which did better in your test runs, Gemini 4 Argon or GPT-6 Astra?

On the same 50 prompts, run on October 15, 2026, Gemini 4 Argon passed 47 and GPT-6 Astra passed 48. The table on this page has each job, and every reply is published.

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.