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  1. Home/
  2. Compare/
  3. Claude 3 Opus vs Command A+
Updated Sep 2026

Claude 3 Opus vs Command A+

Command A+ is cheaper than Claude 3 Opus at $0.3/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
Command A+

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!

    Command A+: Good evening, everyone! Thanks for having me out tonight. I’m thrilled to be here, even though I’m still trying to figure out why the venue’s lighting looks like a police interrogation room. But hey, at least the spotlight makes my forehead look like a freshly polished coffee table—so that’s a win.

    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.

    Command A+: AI Model (Astra): Good morning, Professor. I hope you’re well. I wanted to discuss something that has been on my mind lately. Professor Elena Marquez (AI Ethics): Good morning, Astra. I’m listening. What’s on your mind?

    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?

    Command A+: Here are five jokes: Why don’t scientists trust atoms? Because they make up everything! I told my wife she was drawing her eyebrows too high. She looked surprised. Why did the scarecrow win an award? He was outstanding in his field. I used to hate facial hair, but then it grew on me.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Claude 3 Opus has the edge: bigger model tier, major provider backing. Command A+ costs 50x less per token.

Claude 3 Opus and Command A+ compared across 12 shared prompts
SpecClaude 3 OpusCommand A+
Input price$15/M tokens$0.3/M tokens
Output price$75/M tokens$1.5/M tokens
Context window200K tokens192K tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedMar 2024Sep 2026
At 10M a month$150$150$3.00$3.00
1M10M100M1B10M tokens

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

Where to run it1 host
Claude 3 Opus

No hosts listed on OpenRouter.

Command A+1 host
HostInOutContextUptime
  • Cohere$0.30 in·$1.50 out·192k·99.2% up

Per million tokens. Prices and uptime via OpenRouter, checked 28 Sep 2026.

Common questions

What is the difference between Claude 3 Opus and Command A+?

Claude 3 Opus is developed by Anthropic while Command A+ is developed by Cohere. Claude 3 Opus has a 200K token context window vs Command A+'s 192K. 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 Command A+?

It depends on your use case. Claude 3 Opus and Command A+ 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 Command A+?

Claude 3 Opus costs $15/M input tokens and Command A+ costs $0.3/M input tokens. Command A+ is $14.70/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 Command A+ on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and Command A+ 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 Opus 4.6Version compare
  • Claude 3 Opus vs Claude Fable 5.1Same lab
  • Command A+ vs North Mini CodeSame lab
  • Command A+ vs Ox AlphaSame size
  • Command A+ vs Claude Fable 5.1Cross-provider
  • Command A+ vs Claude Haiku 4.5Same size
  • Command A+ vs Claude Opus 4Cross-provider
  • Command A+ vs Claude Opus 4.1Cross-provider

Model pages

  • Claude 3 Opus12 outputs, specs and price
  • Command A+58 outputs, specs and price
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Explore all of Rival

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  • SubjectiveBench
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