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  5. Claude Sonnet 3.6 (2022-10-22)vsGemini 3 Flash Preview
Updated Dec 2025

Claude Sonnet 3.6 (2022-10-22)vsGemini 3 Flash Preview

Gemini 3 Flash Preview is cheaper than Claude Sonnet 3.6 (2022-10-22) at $0.5/M vs $3/M input tokens.

Claude Sonnet 3.6 (2022-10-22) and Gemini 3 Flash Preview compared across 54 shared prompts
SpecClaude Sonnet 3.6 (2022-10-22)Gemini 3 Flash Preview
Input price$3/M tokens$0.5/M tokens
Output price$15/M tokens$3/M tokens
Context window200K tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedJun 2024Dec 2025
SWE-bench Verified49.0%78.0%
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

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…
Read the full answer
Gemini 3 Flash Preview68 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. Parallel lines have so much in common. It’s a shame they’ll never meet. Why did the scarecrow win an award? Because he was outstanding in his field. What’s orange and sounds like a parrot?
Read the full answer

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.
Read the full answer
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.
Read the full answer

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 Flash Preview860 words
By 2035, the film industry will have moved past the "experimental" phase of AI and into a total structural transformation. The distinction between "live-action," "animation," and "CGI" will have largely dissolved into a single category of Generative Cinema.
Read the full answer

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…

Claude Sonnet 3.6 (2022-10-22)257 words
Here's my 48-hour action plan as CEO: IMMEDIATE (Hours 0-4): Call emergency meeting with Chief Medical Officer, Chief Legal Officer, and Head of Drug Safety Direct immediate preparation of safety alert to healthcare providers Initiate full data review of all cases Begin drafting regulatory disclosure documents Contact…
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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.
Read the full answer

Adversarial Contract Review

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

Claude Sonnet 3.6 (2022-10-22)434 words
Here's an analysis of problematic clauses and suggested modifications: SCOPE Problem: Allows unlimited scope changes without compensation Modification: "Material changes to scope shall be documented in writing and may require additional compensation as mutually agreed upon by both parties."
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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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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Claude Sonnet 3.6 (2022-10-22)207 words
Here's a practical 1-month plan focusing on nutrition, sleep, and movement - three foundational areas that work together to support better health and longevity: NUTRITION Week 1: Focus on eating more whole foods Replace one processed food item per day with a whole food alternative Add one serving of vegetables to your…
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Gemini 3 Flash Preview481 words
This 1-month plan is designed to build a foundation for longevity without causing burnout. We will focus on Nutrition, Movement, and Sleep. The goal for Month 1 isn't perfection; it’s consistency. Area 1: Nutrition (The "Crowding Out" Method) Instead of cutting everything out, focus on adding longevity-boosting foods.
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Our Verdict
Gemini 3 Flash Preview
Gemini 3 Flash 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 Flash Preview has the edge: newer, bigger context window.

Gemini 3 Flash Preview costs 5.0x less per token.

Too close to call

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 Flash Preview
Input
$0.50
6.0× cheaper
Output
$3.00
5.0× cheaper

Gemini 3 Flash Preview is cheaper on both: 6.0× input, 5.0× output.

Where to run it

2 hosts

Claude Sonnet 3.6 (2022-10-22)

No hosts listed on OpenRouter.

Gemini 3 Flash Preview2 hosts
HostInOutContextUptime
Google Vertex AI$0.50 in·$3.00 out·1M·98% upGoogle AI Studio$0.50 in·$3.00 out·1M·99.9% up

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

Writing DNA

Style Comparison

Similarity
52%

Gemini 3 Flash Preview uses 27.3x more bold

Claude Sonnet 3.6 (2022-10-22)
Gemini 3 Flash Preview
67%Vocabulary57%
64wSentence Length18w
0.70Hedging0.41
0.3Bold7.4
8.1Lists4.2
0.00Emoji0.00
0.05Headings0.77
0.07Transitions0.08
Based on 26 + 28 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 Flash Preview is developed by Google AI. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window vs Gemini 3 Flash Preview's 1.0M. You can compare their actual outputs across 54 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 Flash Preview each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 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 Flash Preview costs $0.5/M input tokens. Gemini 3 Flash Preview is $2.50/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 Flash 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.

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Same lab, same size, long tail

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Model pages

Claude Sonnet 3.6 (2022-10-22) logo
Claude Sonnet 3.6 (2022-10-22)59 outputs, specs and price
Gemini 3 Flash Preview logo
Gemini 3 Flash Preview59 outputs, specs and price
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