What is the difference between Claude 3 Opus and Qwen3 30B A3B Thinking 2507?

Claude 3 Opus is developed by Anthropic while Qwen3 30B A3B Thinking 2507 is developed by Qwen. Claude 3 Opus has a 200K token context window vs Qwen3 30B A3B Thinking 2507's 262K. 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 Qwen3 30B A3B Thinking 2507?

It depends on your use case. Claude 3 Opus and Qwen3 30B A3B Thinking 2507 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 Qwen3 30B A3B Thinking 2507?

Claude 3 Opus costs $15/M input tokens and Qwen3 30B A3B Thinking 2507 costs $0.071/M input tokens. Qwen3 30B A3B Thinking 2507 is $14.93/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 Qwen3 30B A3B Thinking 2507 on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and Qwen3 30B A3B Thinking 2507 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 Aug 2025

Claude 3 OpusvsQwen3 30B A3B Thinking 2507

Qwen3 30B A3B Thinking 2507 is cheaper than Claude 3 Opus at $0.071/M vs $15/M input tokens.

Claude 3 Opus and Qwen3 30B A3B Thinking 2507 compared across 12 shared prompts
Spec	Claude 3 Opus	Qwen3 30B A3B Thinking 2507
Input price	$15/M tokens	$0.071/M tokens
Output price	$75/M tokens	$0.285/M tokens
Context window	200K tokens	262K tokens
Weights	—	Open
Free API (OpenRouter)	No	No
Released	Mar 2024	Aug 2025