Claude Sonnet 4.5 vs Qwen3 Next 80B A3B Instruct
Compare Claude Sonnet 4.5 by Anthropic against Qwen3 Next 80B A3B Instruct by Qwen, in 2 community votes, claude sonnet 4.5 wins 100% of head-to-head duels, context windows of 200K vs 66K, tested across 43 shared challenges. Updated April 2026.
Which is better, Claude Sonnet 4.5 or Qwen3 Next 80B A3B Instruct?
Claude Sonnet 4.5 is the better choice overall, winning 100% of 2 blind community votes on Rival. Claude Sonnet 4.5 costs $3/M input tokens vs $0.15/M for Qwen3 Next 80B A3B Instruct. Context windows: 200K vs 66K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 4.5 and Qwen3 Next 80B A3B Instruct
Claude Sonnet 4.5 is made by anthropic while Qwen3 Next 80B A3B Instruct is from qwen. Claude Sonnet 4.5 has a 200K token context window compared to Qwen3 Next 80B A3B Instruct's 66K. On pricing, Claude Sonnet 4.5 costs $3/M input tokens vs $0.15/M for Qwen3 Next 80B A3B Instruct. In community voting, In 2 community votes, Claude Sonnet 4.5 wins 100% of head-to-head duels.
In 2 community votes, Claude Sonnet 4.5 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Pick Claude Sonnet 4.5. In 2 blind votes, Claude Sonnet 4.5 wins 100% of the time. That's not luck.
Qwen3 Next 80B A3B Instruct is 10x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Sonnet 4.5 uses 5.8x more sentence length
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
