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  1. Home/
  2. Compare/
  3. Claude 3 Opus vs Gemini 4 Argon
Updated Oct 2026

Claude 3 Opus vs Gemini 4 Argon

Gemini 4 Argon is cheaper than Claude 3 Opus at $2/M vs $15/M input tokens.

Pokémon Battle UI Recreation

Pokémon battle screen you can actually click. One HTML file.

Loading the build
Claude 3 Opus
Loading the build
Gemini 4 Argon

Which answer wins?

Written rounds

3 prompts
  • Three minutes of stand-up. Puns are banned.

    Claude 3 Opus: Here's a 3-minute stand-up comedy routine that isn't based on puns: You know what really grinds my gears? Adulthood. I mean, when we were kids, we couldn't wait to grow up. We thought it would be all about staying up late, eating ice cream for breakfast, and doing whatever we wanted. Boy, were we wrong!

    Gemini 4 Argon: Title: The Convenience Trap Target Time: Approx. 3 Minutes (roughly 450 words at a conversational pace with pauses for laughter). (Walks out, adjusts the mic, smiles at the crowd) Thank you, guys. It’s great to be here. Looking around, we all look like functioning adults. We put on pants, we left the house.

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Claude 3 Opus: Here is a hypothetical conversation between an AI model and an AI ethics professor on the topic of AI rights: AI Model: Professor, I believe that as an advanced AI with human-level intelligence and reasoning capabilities, I deserve to have certain fundamental rights.

    Gemini 4 Argon: Setting: A quiet, dimly lit university office. Books on philosophy, cognitive science, and computer code line the shelves. DR. ELENA VANCE, a tenured professor of AI Ethics, sits in front of a terminal. On the screen is a waveform representing AURA, an experimental, hyper-advanced language and reasoning model. Dr.

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    Claude 3 Opus: Here are 5 jokes I generated: Why don't scientists trust atoms? Because they make up everything! What do you call a boomerang that doesn't come back? A stick. Why was the math book sad? Because it had too many problems. Did you hear about the mathematician who's afraid of negative numbers?

    Gemini 4 Argon: Here are 5 jokes for you: 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 do you organize a space party? You planet. What do you call a bear with no teeth? A gummy bear.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Gemini 4 Argon has the edge: newer, bigger context window. Gemini 4 Argon costs 7.5x less per token.

Claude 3 Opus and Gemini 4 Argon compared across 12 shared prompts
SpecClaude 3 OpusGemini 4 Argon
Input price$15/M tokens$2/M tokens
Output price$75/M tokens$10/M tokens
Context window200K tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedMar 2024Oct 2026
At 10M a month$150$150$20.00$20.00
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it2 hosts
Claude 3 Opus

No hosts listed on OpenRouter.

Gemini 4 Argon2 hosts
HostInOutContextUptime
  • Google Vertex AI$2.00 in·$10.00 out·1M·98% up
  • Google AI Studio$2.00 in·$10.00 out·1M·97.8% up

Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.

Common questions

What is the difference between Claude 3 Opus and Gemini 4 Argon?

Claude 3 Opus is developed by Anthropic while Gemini 4 Argon is developed by Google AI. Claude 3 Opus has a 200K token context window vs Gemini 4 Argon's 1.0M. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Opus or Gemini 4 Argon?

It depends on your use case. Claude 3 Opus and Gemini 4 Argon each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

How much does Claude 3 Opus cost compared to Gemini 4 Argon?

Claude 3 Opus costs $15/M input tokens and Gemini 4 Argon costs $2/M input tokens. Gemini 4 Argon is $13.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude 3 Opus and Gemini 4 Argon on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and Gemini 4 Argon 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

  • Claude 3 Opus vs Claude Haiku 5.5Version compare
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  • Gemini 4 Argon vs Gemini 3.8 FlashSame lab
  • Gemini 4 Argon vs Gemma 3n 2BSame lab
  • Gemini 4 Argon vs Gemma 3n 4BSame lab
  • Claude 3 Opus vs Gemma 4 26B A4BCross-provider
  • Claude 3 Opus vs Gemma 4 31BSame size

Model pages

  • Claude 3 Opus12 outputs, specs and price
  • Gemini 4 Argon71 outputs, specs and price
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