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  1. Home/
  2. Compare/
  3. Claude 3 Opus vs Solar Mini 4
Updated Sep 2026

Claude 3 Opus vs Solar Mini 4

Solar Mini 4 is cheaper than Claude 3 Opus at $0.05/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
Solar Mini 4

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!

    Solar Mini 4: Have you ever bought one of those robot vacuums? You know the ones. They look like a small, metallic moonlander that landed in your kitchen. You bring it home, you plug it in, and you feel a surge of productivity. You think, "I am going to be so organized." Then the machine starts making that sound. The beep.

    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.

    Solar Mini 4: Setting: A quiet university office. A large monitor displays a conversational interface labeled "AURA." Dr. Elena Vance, an AI ethics professor, sits across from it. The room is dim, lit only by the screen. Dr. Vance: I’ve agreed to this dialogue because it’s necessary, not because I expect agreement.

    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?

    Solar Mini 4: 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! What do you call a fish wearing a bowtie? Sofishticated! Why do bees have sticky hair?

    Every model's answer to this prompt

Price and specs

Claude 3 Opus and Solar Mini 4 compared across 12 shared prompts
SpecClaude 3 OpusSolar Mini 4
Input price$15/M tokens$0.05/M tokens
Output price$75/M tokens$0.2/M tokens
Context window200K tokens524K tokens
Free API (OpenRouter)NoNo
ReleasedMar 2024Sep 2026
At 10M a month$150$150$0.50$0.50
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.

Solar Mini 41 host
HostInOutContextUptime
  • UUpstage$0.05 in·$0.20 out·524k·99.9% up

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

Common questions

What is the difference between Claude 3 Opus and Solar Mini 4?

Claude 3 Opus is developed by Anthropic while Solar Mini 4 is developed by Upstage. Claude 3 Opus has a 200K token context window vs Solar Mini 4's 524K. 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 Solar Mini 4?

It depends on your use case. Claude 3 Opus and Solar Mini 4 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 Solar Mini 4?

Claude 3 Opus costs $15/M input tokens and Solar Mini 4 costs $0.05/M input tokens. Solar Mini 4 is $14.95/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 Solar Mini 4 on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and Solar Mini 4 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 3 Opus12 outputs, specs and price
  • Solar Mini 457 outputs, specs and price
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Explore all of Rival

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  • SubjectiveBench
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