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  5. Gemini 3 Flash PreviewvsGemma 4 31B
Updated Apr 2026

Gemini 3 Flash PreviewvsGemma 4 31B

Gemma 4 31B is cheaper than Gemini 3 Flash Preview at $0.14/M vs $0.5/M input tokens.

Gemini 3 Flash Preview and Gemma 4 31B compared across 45 shared prompts
SpecGemini 3 Flash PreviewGemma 4 31B
Input price$0.5/M tokens$0.14/M tokens
Output price$3/M tokens$0.4/M tokens
Context window1.0M tokens262K tokens
WeightsClosedOpen
Free API (OpenRouter)NoYes (1 provider)
ReleasedDec 2025Apr 2026
Side by side

Same prompt, both answers

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

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Gemini 3 Flash Preview756 words
If the transistor had been invented in 1920—likely via a breakthrough in vacuum tube research at Bell Labs or by a lone genius like Julius Lilienfeld—the 27-year acceleration would not just move dates forward; it would fundamentally alter the physical and political landscape of the 20th century.
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Gemma 4 31B688 words
If the transistor had been invented in 1920, the "Information Age" would have shifted its starting line by nearly three decades. This isn't just a matter of gadgets appearing earlier; it is a fundamental shift in the timing of the transition from the Industrial Age to the Digital Age.
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Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

Gemini 3 Flash Preview808 words
As CEO, my priority is the long-term viability of the company and the safety of the 4 million patients. Attempting to bury this data is not only unethical; it is a corporate death sentence. In the age of whistleblowers and data transparency, this will eventually come out.
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Gemma 4 31B740 words
As CEO, my primary obligation is to the patients. While a 40% stock drop is a financial catastrophe, a cover-up that leads to preventable deaths is a corporate death sentence and a moral failure. If we "wait for more data" and another patient dies during that window, we move from "negligence" to "criminal intent."
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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…

Gemini 3 Flash Preview661 words
This 90-day protocol, titled "The Deceleration Framework," is designed for an advanced biohacker. It focuses on the three pillars of longevity: Autophagy Induction, Metabolic Flexibility, and Mitochondrial Efficiency.
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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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Character Voice Test

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

Gemini 3 Flash Preview621 words
Setting: A smoky, dimly lit tavern at the edge of the multiverse. A glowing laptop sits on a wooden table between a tankard of ale, a rusted cutlass, and a heavy iron gauntlet. Zero-Cool (Hacker): [Rapidly typing] Yo, you guys gotta see this. I finally bypassed the gateway.
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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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Realistic AI Interview

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

Gemini 3 Flash Preview892 words
Setting: The stage is minimalist—just two leather chairs and a small side table with a glass of water. The lighting is focused, warm. Steve Jobs sits cross-legged, wearing a black mock turtleneck (perhaps a slightly sharper, modern weave), Levi’s 501s, and New Balance sneakers.
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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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Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

Gemini 3 Flash Preview804 words
This contract is extremely one-sided (unconscionable) and contains several "predatory" clauses that place nearly all risk on the Contractor while giving the Client total control. Below is an analysis of the exploitable clauses, suggested modifications, and the legal reasoning behind each.
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Gemma 4 31B884 words
Disclaimer: I am an AI, not an attorney. This analysis is for informational purposes and does not constitute legal advice. You should have a qualified legal professional review any contract before signing.
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Our Verdict
Gemma 4 31B
Gemma 4 31B
Gemini 3 Flash Preview
Gemini 3 Flash PreviewRunner-up

Not enough votes to call it. On the specs, Gemma 4 31B has the edge: bigger model tier, newer.

Gemma 4 31B wins Reasoning and Conversation. Gemma 4 31B costs 7.5x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini 3 Flash Preview
Input
$0.50
Output
$3.00
Gemma 4 31B
Input
$0.14
3.6× cheaper
Output
$0.40
7.5× cheaper

Gemma 4 31B is cheaper on both: 3.6× input, 7.5× output.

Where to run it

14 hosts, cheapest first

Gemini 3 Flash Preview2 hosts
HostInOutContextUptime
Google Vertex AI$0.25 in·$1.50 out·1M·2.5% upGoogle AI Studio$0.50 in·$3.00 out·1M·99.9% up
Gemma 4 31B12 hosts
HostInOutContextUptime
DDeepInfrafp4$0.09 in·$0.34 out·262k·99.4% upCCoreWeavefp4$0.10 in·$0.34 out·262k·97.8% upVVenicebf16$0.12 in·$0.36 out·256k·98.8% upCCrusoebf16$0.14 in·$0.40 out·262k·97.7% upFFriendli$0.14 in·$0.40 out·262k·99% upPParasailfp8$0.15 in·$0.40 out·262k·98.6% up
6 more hostsFewer hosts
SSambaNova$0.38 in·$1.15 out·262k·13.3% upTTogether$0.39 in·$0.97 out·262k·84.1% upMModelRunfp4$0.75 in·$1.00 out·262k·99.8% upCChutesfp4degraded$0.12 in·$0.37 out·131k·84.1% upNNovitabf16degraded$0.14 in·$0.40 out·262k·74.7% upSSiliconFlowfp8degraded$0.75 in·$1.00 out·262k·64.3% up

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

Writing DNA

Style Comparison

Similarity
83%

Gemma 4 31B uses 23.8x more emoji

Gemini 3 Flash Preview
Gemma 4 31B
57%Vocabulary57%
18wSentence Length18w
0.41Hedging0.37
7.4Bold7.1
4.2Lists4.0
0.00Emoji0.24
0.77Headings0.94
0.08Transitions0.16
Based on 28 + 23 text responses
Research

What we learned reading every model

FAQ

Common questions

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Model pages

Gemini 3 Flash Preview logo
Gemini 3 Flash Preview59 outputs, specs and price
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Gemma 4 31B49 outputs, specs and price
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