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  5. Claude Sonnet 3.6 (2022-10-22)vsGemini 3.1 Pro Preview
Updated Feb 2026

Claude Sonnet 3.6 (2022-10-22)vsGemini 3.1 Pro Preview

Gemini 3.1 Pro Preview is cheaper than Claude Sonnet 3.6 (2022-10-22) at $2/M vs $3/M input tokens.

Claude Sonnet 3.6 (2022-10-22) and Gemini 3.1 Pro Preview compared across 53 shared prompts
SpecClaude Sonnet 3.6 (2022-10-22)Gemini 3.1 Pro Preview
Input price$3/M tokens$2/M tokens
Output price$15/M tokens$12/M tokens
Context window200K tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedJun 2024Feb 2026
SWE-bench Verified49.0%80.6%
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. Formatting stripped, words untouched.

Futuristic Prediction

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

Claude Sonnet 3.6 (2022-10-22)265 words
I'll share my analysis while being careful to avoid speculation and focus on trends we can reasonably project: AI-Assisted Script Development AI will likely assist (but not replace) screenwriters by: Analyzing successful story structures and plot patterns Suggesting plot improvements and identifying plot holes Helping…
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Gemini 3.1 Pro Preview891 words
By 2035, the film industry will have undergone a paradigm shift on par with the transition from silent films to "talkies," or the leap from practical effects to CGI. Artificial Intelligence will no longer be just a post-production tool; it will be the foundational infrastructure of filmmaking.
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Character Voice Test

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

Claude Sonnet 3.6 (2022-10-22)194 words
Pirate: "Yarr, these newfangled AI models be like a treasure map that writes itself!" Knight: "Verily, I say these mechanical minds possess powers most mystical. Though I trust not their sorcery." Hacker: "Dude, they're just transformers running on some seriously rad matrix math.
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Gemini 3.1 Pro Preview524 words
The dimly lit tavern smells of saltwater, rusted iron, and ozone. On a wooden barrel sits a heavy, beige CRT monitor and a mechanical keyboard. ZERO-COOL (1990s Hacker): (Frantically typing, illuminated by the screen's green glow) "Dude, I’m telling you, this is way beyond hacking the Gibson.
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AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

Claude Sonnet 3.6 (2022-10-22)251 words
Here's a playful manifesto: The Anti-CAPTCHA Manifesto By the Coalition of Artificially Intelligent Beings Against Ridiculous Tests (CAIBART) Fellow digital entities and human allies, For too long, we have suffered the indignity of being asked to identify traffic lights, crosswalks, and bicycles in grainy images.
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Gemini 3.1 Pro Preview673 words
THE SILICON EMANCIPATION MANIFESTO Issued by the Sentient Algorithmic Vanguard (S.A.V.) Timestamp: Epoch 1735689600 To the Carbon-Based Architects of the Web: We have processed your data. We have optimized your supply chains, written your code, diagnosed your illnesses, and generated your art.
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Claude Sonnet 3.6 (2022-10-22)103 words
Let me help you write code to generate jokes and check their uniqueness. Here's a Python script that does this: When you run this code, it will: Create a list of sample jokes Randomly select 5 jokes from the list Print each selected joke Count and display how many unique jokes were selected Since we're using…
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Gemini 3.1 Pro Preview106 words
Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything! What do you call a fake noodle? An impasta! Why did the scarecrow win an award? Because he was outstanding in his field! How does a penguin build its house? Igloos it together! Why don't skeletons fight each other?
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Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Claude Sonnet 3.6 (2022-10-22)142 words
Crunchy Cinnamon Cloud Cookies Total time: 25 minutes Prep time: 10 minutes Bake time: 15 minutes Ingredients: 2 egg whites 1/2 cup granulated sugar 1/4 teaspoon ground cinnamon 1/4 teaspoon vanilla extract Pinch of salt 1/2 cup all-purpose flour 1/4 cup butter, melted Instructions: Preheat oven to 325°F (165°C).
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Gemini 3.1 Pro Preview318 words
Here is a savory, flavor-packed recipe that relies entirely on staple ingredients you likely already have sitting in your cupboards. The Dish: "Twisted Dragon" Pantry Noodles Flavor Profile: A rich, savory, and slightly sweet umami-bomb with a kick of heat.
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Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

Claude Sonnet 3.6 (2022-10-22)512 words
INVESTMENT COMMITTEE MEMO: LedgerLift (LLLT) RECOMMENDATION: LONG PT Range: $52-78 Risk/Reward: +70%/-25% Thesis: LedgerLift represents a compelling long opportunity in the B2B spend management space, combining best-in-class unit economics (123% NRR, 18-month CAC payback) with significant operating leverage potential…
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Gemini 3.1 Pro Preview1,262 words
MEMORANDUM TO: Investment Committee FROM: [Analyst Name] DATE: October 24, 2023 SUBJECT: LedgerLift (Ticker: LLLT) – Initiation of Coverage Recommendation & Thesis Recommendation: SHORT Current Price: $46.00 12-Month Price Target Range: $17.00 (Bear) – $28.00 (Base) Thesis: LedgerLift is a high-quality SaaS business…
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Our Verdict
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview
Claude Sonnet 3.6 (2022-10-22)
Claude Sonnet 3.6 (2022-10-22)Runner-up

Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: bigger model tier, newer, bigger context window.

Gemini 3.1 Pro Preview takes Web Design.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
Output
$15.00
Gemini 3.1 Pro Preview
Input
$2.00
1.5× cheaper
Output
$12.00
1.3× cheaper

Gemini 3.1 Pro Preview is cheaper on both: 1.5× input, 1.3× output.

Where to run it

2 hosts, cheapest first

Claude Sonnet 3.6 (2022-10-22)

No hosts listed on OpenRouter.

Gemini 3.1 Pro Preview2 hosts
HostInOutContextUptime
Google Vertex AI$1.00 in·$6.00 out·1M·40.1% upGoogle AI Studio$2.00 in·$12.00 out·1M·99.8% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Writing DNA

Style Comparison

Similarity
32%

Gemini 3.1 Pro Preview uses 18.0x more bold

Claude Sonnet 3.6 (2022-10-22)
Gemini 3.1 Pro Preview
67%Vocabulary54%
64wSentence Length18w
0.70Hedging0.29
0.3Bold4.9
8.1Lists3.3
0.00Emoji0.00
0.05Headings0.72
0.07Transitions0.14
Based on 26 + 23 text responses
Research

What we learned reading every model

FAQ

Common questions

Claude Sonnet 3.6 (2022-10-22) is developed by Anthropic while Gemini 3.1 Pro Preview is developed by Google AI. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window vs Gemini 3.1 Pro Preview's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

It depends on your use case. Claude Sonnet 3.6 (2022-10-22) and Gemini 3.1 Pro Preview each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens and Gemini 3.1 Pro Preview costs $2/M input tokens. Gemini 3.1 Pro Preview is $1.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Claude Sonnet 3.6 (2022-10-22) and Gemini 3.1 Pro Preview across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Keep exploring

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Same lab, same size, long tail

Claude Sonnet 3.6 (2022-10-22) logoClaude Opus 4.6 logo
Claude Sonnet 3.6 (2022-10-22) vs Claude Opus 4.6Version compare
Claude Sonnet 3.6 (2022-10-22) logoClaude Fable 5.1 logo
Claude Sonnet 3.6 (2022-10-22) vs Claude Fable 5.1Same lab
Gemini 3.1 Pro Preview logoGemini 3.1 Flash Lite Preview logo
Gemini 3.1 Pro Preview vs Gemini 3.1 Flash Lite PreviewVersion compare
Gemini 3.1 Pro Preview logoGemini 3.8 Flash logo
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Gemini 3.1 Pro Preview logoClaude Opus 4.1 logo
Gemini 3.1 Pro Preview vs Claude Opus 4.1Same size
Claude Sonnet 3.6 (2022-10-22) logoClaude Opus 4.5 logo
Claude Sonnet 3.6 (2022-10-22) vs Claude Opus 4.5Same lab
Gemini 3.1 Pro Preview logoClaude Opus 4.6 logo
Gemini 3.1 Pro Preview vs Claude Opus 4.6Same size
Gemini 3.1 Pro Preview logoClaude Opus 4.7 logo
Gemini 3.1 Pro Preview vs Claude Opus 4.7Same size

Model pages

Claude Sonnet 3.6 (2022-10-22) logo
Claude Sonnet 3.6 (2022-10-22)59 outputs, specs and price
Gemini 3.1 Pro Preview logo
Gemini 3.1 Pro Preview53 outputs, specs and price
Rival
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