What is the difference between Claude Opus 4 and Qwen3 235B A22B?

Claude Opus 4 is developed by Anthropic while Qwen3 235B A22B is developed by Qwen. Claude Opus 4 has a 200K token context window vs Qwen3 235B A22B's 33K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4 or Qwen3 235B A22B?

It depends on your use case. Claude Opus 4 and Qwen3 235B A22B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How can I compare Claude Opus 4 and Qwen3 235B A22B on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and Qwen3 235B A22B 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.

Updated May 2025

Claude Opus 4vsQwen3 235B A22B

Claude Opus 4 has a larger context window than Qwen3 235B A22B (200K tokens vs 33K tokens).

Claude Opus 4 and Qwen3 235B A22B compared across 53 shared prompts
Spec	Claude Opus 4	Qwen3 235B A22B
Input price	$15/M tokens	—
Output price	$75/M tokens	—
Context window	200K tokens	33K tokens
Parameters	Not disclosed	235B (22B Active)
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	May 2025	Apr 2025
SWE-bench Verified	72.5%	61.7%