What is the difference between Claude Opus 4.1 and Qwen3 Coder?

Claude Opus 4.1 is developed by Anthropic while Qwen3 Coder is developed by Qwen. These results are based on blind head-to-head voting across 53 challenges.

Which is better, Claude Opus 4.1 or Qwen3 Coder?

Based on 34 community votes on Rival, Claude Opus 4.1 and Qwen3 Coder are closely matched with similar win rates. The better choice depends on your specific use case. Compare their real outputs side-by-side across 53 challenges to decide.

How much does Claude Opus 4.1 cost compared to Qwen3 Coder?

Claude Opus 4.1 costs $15/M input tokens and Qwen3 Coder costs $0.22/M input tokens. Qwen3 Coder is $14.78/M cheaper per input. The more expensive model wins 50% of duels, so the premium may be justified by quality.

How are Claude Opus 4.1 vs Qwen3 Coder votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 34 votes have been collected for this pair across 53 challenges. All vote data is part of Rival's open dataset.

Updated Aug 2025

Claude Opus 4.1vsQwen3 Coder

Claude Opus 4.1 and Qwen3 Coder are dead even across 34 blind community votes on Rival.

Claude Opus 4.1 and Qwen3 Coder compared across 53 shared prompts
Spec	Claude Opus 4.1	Qwen3 Coder
Win rate	50%	50%
Input price	$15/M tokens	$0.22/M tokens
Output price	$75/M tokens	$0.95/M tokens
Context window	200K tokens	—
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Aug 2025	Jul 2025
SWE-bench Verified	74.5%	69.6%