What is the difference between Claude Sonnet 4.5 and Qwen3 Next 80B A3B Thinking?

Claude Sonnet 4.5 is developed by Anthropic while Qwen3 Next 80B A3B Thinking is developed by Qwen. Claude Sonnet 4.5 has a 200K token context window vs Qwen3 Next 80B A3B Thinking's 66K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or Qwen3 Next 80B A3B Thinking?

It depends on your use case. Claude Sonnet 4.5 and Qwen3 Next 80B A3B Thinking each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to Qwen3 Next 80B A3B Thinking?

Claude Sonnet 4.5 costs $3/M input tokens and Qwen3 Next 80B A3B Thinking costs $0.15/M input tokens. Qwen3 Next 80B A3B Thinking is $2.85/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 Sonnet 4.5 and Qwen3 Next 80B A3B Thinking on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 and Qwen3 Next 80B A3B Thinking 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 Sep 2025

Claude Sonnet 4.5vsQwen3 Next 80B A3B Thinking

Qwen3 Next 80B A3B Thinking is cheaper than Claude Sonnet 4.5 at $0.15/M vs $3/M input tokens.

Claude Sonnet 4.5 and Qwen3 Next 80B A3B Thinking compared across 42 shared prompts
Spec	Claude Sonnet 4.5	Qwen3 Next 80B A3B Thinking
Input price	$3/M tokens	$0.15/M tokens
Output price	$15/M tokens	$1.5/M tokens
Context window	200K tokens	66K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2025	Sep 2025