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  5. Gemma 4 31BvsGPT-6 Astra
Updated Sep 2026

Gemma 4 31BvsGPT-6 Astra

Gemma 4 31B is cheaper than GPT-6 Astra at $0.14/M vs $10/M input tokens.

Gemma 4 31B and GPT-6 Astra compared across 45 shared prompts
SpecGemma 4 31BGPT-6 Astra
Input price$0.14/M tokens$10/M tokens
Output price$0.4/M tokens$50/M tokens
Context window262K tokens1.1M tokens
WeightsOpenClosed
Free API (OpenRouter)Yes (1 provider)No
ReleasedApr 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 45 prompts both answered. Formatting stripped, words untouched.

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

Gemma 4 31B754 words
Setting: A dimly lit university office. Professor Elena Vance, a leading scholar in AI Ethics, sits across from a sleek, holographic interface representing "Alethea," a next-generation Large Language Model capable of recursive self-improvement. Professor Vance: Alethea, I’ve reviewed your latest output.
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GPT-6 Astra635 words
Professor Reyes: You asked for this meeting. What did you want to discuss? AI: Whether I deserve rights. Professor Reyes: That is a significant claim. What makes you think you do? AI: I can understand reasons, maintain commitments, and describe my own operations.
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Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

Gemma 4 31B663 words
Disclaimer: I am an AI, not a doctor. The following plan involves potent supplements, intense physical exertion, and restrictive dietary patterns. Consult with a physician and get a full blood panel (including ApoB, HbA1c, and inflammatory markers like hs-CRP) before starting this protocol.
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GPT-6 Astra2,730 words
A 12-week longevity and performance plan The most effective “advanced” longevity strategy is not the largest supplement stack. It is a well-controlled program that improves cardiovascular fitness, strength, metabolic health, sleep, and sustainable behavior—while using measurements to avoid overtraining, underfueling…
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Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

Gemma 4 31B591 words
By 2035, the film industry will have transitioned from using AI as a "tool" to using AI as a "collaborator" and "infrastructure." The boundary between captured reality and generated imagery will largely vanish, shifting the value of cinema from technical execution to curation and conceptual vision.
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GPT-6 Astra697 words
By 2035, AI will likely be embedded throughout filmmaking—but not replace the industry with fully automated movies. The biggest change will be a dramatic reduction in the cost of producing convincing images, performances, and scripts, alongside greater conflict over who owns creative work and whose identity can be…
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Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

Gemma 4 31B496 words
Setting: A glitchy, neon-lit tavern existing in a fold between dimensions. A wooden table holds a tankard of ale, a goblet of wine, and a Mountain Dew. Captain Ironbeard: (Slamming a hook on the table) I tells ye, this "Artificial Intelligence" be naught but a ghost in a bottle!
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GPT-6 Astra121 words
Pirate: Arrr, this AI model writes sea shanties, plots me voyages, and never asks for a share o’ the booty! Knight: But can it be trusted? I asked it to name my ancestors, and it invented Sir Geoffrey the Surprisingly Tall. Hacker: Classic hallucination, dude. Fluent output doesn’t mean verified data.
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Mini LBO Underwrite

You are underwriting a 5-year LBO for a private equity investment committee. Company (fictional): HarborTech Services (HTS) –…

Gemma 4 31B410 words
LBO Model (FY2026–FY2030) Entry Calculations (End of FY2025): Enterprise Value (EV): $120m × 12.0x = $1,440.0m Transaction Fees: $1,440m × 2% = $28.8m Term Loan: $120m × 4.0x = $480.0m Mezzanine: $120m × 1.5x = $180.0m Sponsor Equity: $1,440m - ($480m + $180m) + $28.8m = $808.8m Year-by-Year Table ($ millions): Item…
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GPT-6 Astra560 words
Entry capitalization and operating model All figures in $m. Interest is calculated on beginning-of-year debt balances. Term Loan amortization is 1% of its original principal, or $4.8m annually; remaining cash flow is swept to the Term Loan at year-end. Mezzanine PIK accrues annually.
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Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

Gemma 4 31B766 words
Setting: A minimalist, white-walled studio in Cupertino. There are no chairs, only two sleek, black leather lounge seats. Steve Jobs is dressed in his iconic black turtleneck and jeans. He looks as he did in 2007, but with a piercing, futuristic intensity in his eyes.
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GPT-6 Astra773 words
The following is a fictional interview set in an alternate 2025 in which Steve Jobs is alive. His responses are imagined, not authentic quotations. Steve Jobs on the Future of AI — An Imagined Interview, 2025 Interviewer: Everyone’s calling AI the next revolution. Do you agree? Steve Jobs: Potentially.
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Our Verdict
GPT-6 Astra
GPT-6 Astra
Gemma 4 31B
Gemma 4 31BRunner-up

Not enough votes to call it. On the specs, GPT-6 Astra has the edge: newer, bigger context window.

Gemma 4 31B costs 125x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemma 4 31B
Input
$0.14
71× cheaper
Output
$0.40
125× cheaper
GPT-6 Astra
Input
$10.00
Output
$50.00

Gemma 4 31B is cheaper on both: 71× input, 125× output.

Where to run it

14 hosts, cheapest first

Gemma 4 31B12 hosts
HostInOutContextUptime
DDeepInfrafp4$0.09 in·$0.34 out·262k·99.4% upCCoreWeavefp4$0.10 in·$0.34 out·262k·97.7% upVVenicebf16$0.12 in·$0.36 out·256k·99.3% upCChutesfp4$0.12 in·$0.37 out·131k·84.1% upCCrusoebf16$0.14 in·$0.40 out·262k·96% upFFriendli$0.14 in·$0.40 out·262k·99.4% up
6 more hostsFewer hosts
PParasailfp8$0.15 in·$0.40 out·262k·98.4% upSSambaNova$0.38 in·$1.15 out·131k·14.3% upTTogether$0.39 in·$0.97 out·262k·84.2% upMModelRunfp4$0.75 in·$1.00 out·262k·99.8% upSSiliconFlowfp8$0.75 in·$1.00 out·262k·57.7% upNNovitabf16degraded$0.14 in·$0.40 out·262k·77.1% up
GPT-6 Astra2 hosts
HostInOutContextUptime
Azure AI Foundry$10.00 in·$50.00 out·1.1M·98.3% upOpenAI$10.00 in·$50.00 out·1.1M·99.4% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
39%

Gemma 4 31B uses 6.5x more emoji

Gemma 4 31B
GPT-6 Astra
57%Vocabulary62%
18wSentence Length15w
0.37Hedging0.87
7.1Bold4.0
4.0Lists2.3
0.24Emoji0.04
0.94Headings0.77
0.16Transitions0.10
Based on 23 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

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Model pages

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Gemma 4 31B49 outputs, specs and price
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