Compare Claude Sonnet 4.5 by Anthropic against Qwen: Qwen3 235B A22B Thinking 2507 by Qwen, in 16 community votes, claude sonnet 4.5 wins 75% of head-to-head duels, context windows of 200K vs 131K, tested across 43 shared challenges. Updated April 2026.
Claude Sonnet 4.5 is the better choice overall, winning 75% of 16 blind community votes on Rival. Claude Sonnet 4.5 costs $3/M input tokens vs $0.11/M for Qwen: Qwen3 235B A22B Thinking 2507. Context windows: 200K vs 131K tokens. Compare their real outputs side by side below.
Claude Sonnet 4.5 is made by anthropic while Qwen: Qwen3 235B A22B Thinking 2507 is from qwen. Claude Sonnet 4.5 has a 200K token context window compared to Qwen: Qwen3 235B A22B Thinking 2507's 131K. On pricing, Claude Sonnet 4.5 costs $3/M input tokens vs $0.11/M for Qwen: Qwen3 235B A22B Thinking 2507. In community voting, In 16 community votes, Claude Sonnet 4.5 wins 75% of head-to-head duels.
In 16 community votes, Claude Sonnet 4.5 wins 75% of head-to-head duels. Claude Sonnet 4.5 leads in Web Design, Reasoning, Image Generation. Based on blind community voting from the Rival open dataset of 16+ human preference judgments for this pair.
Pick Claude Sonnet 4.5. In 16 blind votes, Claude Sonnet 4.5 wins 75% of the time. That's not luck.
Claude Sonnet 4.5 particularly excels in Reasoning, Image Generation, Web Design. Qwen: Qwen3 235B A22B Thinking 2507 is 25x cheaper per token — worth considering if cost matters.
Claude Sonnet 4.5 uses 6.6x more sentence length
Ask 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.

Compare Claude Sonnet 4.5 by Anthropic against Qwen: Qwen3 235B A22B Thinking 2507 by Qwen, in 16 community votes, claude sonnet 4.5 wins 75% of head-to-head duels, context windows of 200K vs 131K, tested across 43 shared challenges. Updated April 2026.
Claude Sonnet 4.5 is the better choice overall, winning 75% of 16 blind community votes on Rival. Claude Sonnet 4.5 costs $3/M input tokens vs $0.11/M for Qwen: Qwen3 235B A22B Thinking 2507. Context windows: 200K vs 131K tokens. Compare their real outputs side by side below.
Claude Sonnet 4.5 is made by anthropic while Qwen: Qwen3 235B A22B Thinking 2507 is from qwen. Claude Sonnet 4.5 has a 200K token context window compared to Qwen: Qwen3 235B A22B Thinking 2507's 131K. On pricing, Claude Sonnet 4.5 costs $3/M input tokens vs $0.11/M for Qwen: Qwen3 235B A22B Thinking 2507. In community voting, In 16 community votes, Claude Sonnet 4.5 wins 75% of head-to-head duels.
In 16 community votes, Claude Sonnet 4.5 wins 75% of head-to-head duels. Claude Sonnet 4.5 leads in Web Design, Reasoning, Image Generation. Based on blind community voting from the Rival open dataset of 16+ human preference judgments for this pair.
Pick Claude Sonnet 4.5. In 16 blind votes, Claude Sonnet 4.5 wins 75% of the time. That's not luck.
Claude Sonnet 4.5 particularly excels in Reasoning, Image Generation, Web Design. Qwen: Qwen3 235B A22B Thinking 2507 is 25x cheaper per token — worth considering if cost matters.
Claude Sonnet 4.5 uses 6.6x more sentence length
Ask 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.

38 fights queued
26+ more head-to-head results. Free. Not a trick.
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38 fights queued
26+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy