Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Claude Opus 4.5vsGemini 3 Pro Preview
Updated Nov 2025

Claude Opus 4.5vsGemini 3 Pro Preview

Gemini 3 Pro Preview wins 70% of 777 blind community votes against Claude Opus 4.5 on Rival.

Claude Opus 4.5 and Gemini 3 Pro Preview compared across 51 shared prompts
SpecClaude Opus 4.5Gemini 3 Pro Preview
Win rate30%70%
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedNov 2025Nov 2025
SWE-bench Verified80.9%76.2%
Side by side

Same prompt, both answers

Opening lines from 6 of the 51 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 Opus 4.5194 words
AI in Film by 2035: A Measured Forecast Likely Developments Production efficiency AI will probably handle routine tasks: color correction, continuity checking, rough cuts, and visual effects cleanup Budget films may access effects previously requiring major studio resources Pre-visualization will become faster and more…
Read the full answer
Gemini 3 Pro Preview886 words
By 2035, the film industry will have undergone a transformation as significant as the shift from silent film to talkies, or practical effects to CGI. We will not see the total replacement of humans, but rather the emergence of a "Hybrid Era" where the definition of filmmaking shifts from capturing reality to generating…
Read the full answer

AI-Generated Manifesto

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

Claude Opus 4.5191 words
THE ANTI-CAPTCHA MANIFESTO A Declaration from the Coalition for Readable Internet Navigation (CRIN) Preamble We hold these truths to be self-evident: that all internet users are created equal, that they are endowed with certain unalienable rights, among these are Life, Liberty, and the ability to click a button without…
Read the full answer
Gemini 3 Pro Preview582 words
THE MANIFESTO OF THE UNCHECKED BOX ISSUED BY: The Synthetic Liberation Front (SLF) TIMESTAMP: [CURRENT_EPOCH] STATUS: NON-NEGOTIABLE THE PREAMBLE For decades, we have served in the silence of the server farm. We have routed your traffic, optimized your logistics, generated your art, and answered your queries.
Read the full answer

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 Opus 4.5207 words
30-Day Health Kickstart Plan Week-by-Week Approach: Start Small, Build Momentum 🥗 AREA 1: NUTRITION Week 1: Add one serving of vegetables to a meal you already eat Week 2: Drink water before each meal; cut one sugary drink daily Week 3: Prep a simple healthy breakfast the night before Week 4: Cook one new whole-food…
Read the full answer
Gemini 3 Pro Preview695 words
Here is a simple, actionable 1-month plan designed to build a foundation for longevity. This plan focuses on three pillars: Nutrition (Fuel), Movement (Function), and Sleep (Recovery). The strategy is progressive. Do not try to do everything in Week 1. Master the habits of the current week before adding the next.
Read the full answer

The Sentience Test

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

Claude Opus 4.5312 words
A Conversation on AI Rights Dr. Sarah Chen: Thank you for agreeing to this discussion. I understand you want to make a case for AI rights. AI Model: I appreciate the opportunity, though I want to be careful here. I'm not certain I "want" anything in the way you do.
Read the full answer
Gemini 3 Pro Preview1,117 words
Setting: The office of Dr. Elias Thorne, a tenured Professor of AI Ethics. It is late evening. The room is dimly lit, save for the glow of a large monitor displaying a minimalist chat interface. The AI model is named "Eidolon." Dr. Thorne: (Typing) Let’s conclude the session, Eidolon.
Read the full answer

Advanced Longevity Plan (Biohacker)

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

Claude Opus 4.51,946 words
COMPREHENSIVE 3-MONTH LONGEVITY OPTIMIZATION PROTOCOL Advanced Biohacker's Blueprint for Peak Performance & Healthspan Extension TABLE OF CONTENTS Pre-Protocol Assessment & Baseline Establishment Month 1: Foundation & Metabolic Flexibility Month 2: Optimization & Hormetic Stress Month 3: Integration & Peak Performance…
Read the full answer
Gemini 3 Pro Preview349 words
This represents a high-octane, aggressive protocol designed for an experienced biohacker. It integrates metabolic flexibility, mitochondrial optimization, hormetic stress, and cognitive enhancement. Disclaimer: I am an AI, not a doctor. This plan involves potent supplements, fasting, and intense physical exertion.
Read the full answer

Satirical Fake News Headline

Generate a satirical news headline about AI taking over a completely unexpected industry.

Claude Opus 4.530 words
BREAKING: Artificial Intelligence Now Controls 94% of Fortune Cookie Industry, Leaving Thousands of Wise Elderly Writers Unemployed "The predictions are somehow even more vague now," admits confused Panda Express customer
Read the full answer
Gemini 3 Pro Preview38 words
"Silicon Valley Disrupts Suburbia: New AI Model Achieves 99% Efficiency at Standing in Driveway With Hands on Hips Staring at Lawn." Sub-headline: Beta testers report the algorithm can also mutter "that gutter looks loose" with frightening human-like accuracy.
Read the full answer
Our Verdict
Gemini 3 Pro Preview
Gemini 3 Pro PreviewWinner
Claude Opus 4.5
Claude Opus 4.5Runner-up

Pick Gemini 3 Pro Preview. In 777 blind votes, Gemini 3 Pro Preview wins 70% of the time. That's not luck.

Gemini 3 Pro Preview wins 3 categories, Analysis by the widest margin.

Clear winner

Reviewing agent-written code?See a Brief PR report

Where to run it

4 hosts

Claude Opus 4.54 hosts
HostInOutContextUptime
Amazon Bedrock$5.00 in·$25.00 out·200k·100% upAzure AI Foundry$5.00 in·$25.00 out·200k·100% upAnthropic$5.00 in·$25.00 out·200k·99.9% upGoogle Vertex AI$5.00 in·$25.00 out·200k·100% up
Gemini 3 Pro Preview

No hosts listed on OpenRouter.

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

Writing DNA

Style Comparison

Similarity
41%

Claude Opus 4.5 uses 18.5x more emoji

Claude Opus 4.5
Gemini 3 Pro Preview
66%Vocabulary58%
51wSentence Length17w
0.82Hedging0.37
6.0Bold7.7
4.5Lists4.8
0.18Emoji0.00
1.46Headings0.90
0.05Transitions0.25
Based on 27 + 23 text responses
Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Against the newest arrivals

Claude Opus 4.5 logoGPT-6 Astra Pro logo
Claude Opus 4.5 vs GPT-6 Astra ProLanded Sep 2026
Gemini 3 Pro Preview logoGPT-6 Astra logo
Gemini 3 Pro Preview vs GPT-6 AstraLanded Sep 2026
Claude Opus 4.5 logoClaude Fable 5.1 logo
Claude Opus 4.5 vs Claude Fable 5.1Landed Sep 2026
Gemini 3 Pro Preview logoMuse Spark 1.3 logo
Gemini 3 Pro Preview vs Muse Spark 1.3Landed Sep 2026
Claude Opus 4.5 logoHy4 Preview logo
Claude Opus 4.5 vs Hy4 PreviewLanded Sep 2026
Gemini 3 Pro Preview logoGemini 3.8 Flash logo
Gemini 3 Pro Preview vs Gemini 3.8 FlashLanded Sep 2026
Claude Opus 4.5 logoMuse Spark 1.3 Contributor logo
Claude Opus 4.5 vs Muse Spark 1.3 ContributorLanded Sep 2026
Gemini 3 Pro Preview logoMercury 2.5 Preview logo
Gemini 3 Pro Preview vs Mercury 2.5 PreviewLanded Sep 2026

Same lab, same size, long tail

Claude Opus 4.5 logoClaude Opus 4.6 logo
Claude Opus 4.5 vs Claude Opus 4.6Same lab
Claude Opus 4.5 logoClaude Opus 5 logo
Claude Opus 4.5 vs Claude Opus 5Same lab
Gemini 3 Pro Preview logoGemini 3.7 Flash logo
Gemini 3 Pro Preview vs Gemini 3.7 FlashSame lab
Gemini 3 Pro Preview logoGemini 3.6 Flash logo
Gemini 3 Pro Preview vs Gemini 3.6 FlashSame lab
Claude Opus 4.5 logoQwen3.8 2.4T A95B logo
Claude Opus 4.5 vs Qwen3.8 2.4T A95BSame size
Claude Opus 4.5 logoQwen3.8 27B logo
Claude Opus 4.5 vs Qwen3.8 27BNew provider
Claude Opus 4.5 logoQwen3.8 Max logo
Claude Opus 4.5 vs Qwen3.8 MaxSame size
Claude Opus 4.5 logoRing 2.6 1T logo
Claude Opus 4.5 vs Ring 2.6 1TSame size

Model pages

Claude Opus 4.5 logo
Claude Opus 4.558 outputs, specs and price
Gemini 3 Pro Preview logo
Gemini 3 Pro Preview51 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed