Compare Claude 3.7 Thinking Sonnet by Anthropic against Gemini 2.5 Pro (I/O Edition) by Google AI, in 33 community votes, claude 3.7 thinking sonnet wins 90% of head-to-head duels, tested across 41 shared challenges. Updated April 2026.
Claude 3.7 Thinking Sonnet is the better choice overall, winning 90% of 33 blind community votes on Rival. Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). Compare their real outputs side by side below.
Claude 3.7 Thinking Sonnet is made by anthropic while Gemini 2.5 Pro (I/O Edition) is from google. On pricing, Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). In community voting, In 33 community votes, Claude 3.7 Thinking Sonnet wins 90% of head-to-head duels.
In 33 community votes, Claude 3.7 Thinking Sonnet wins 90% of head-to-head duels. Claude 3.7 Thinking Sonnet leads in Web Design, Reasoning. Based on blind community voting from the Rival open dataset of 33+ human preference judgments for this pair.
Pick Claude 3.7 Thinking Sonnet. In 33 blind votes, Claude 3.7 Thinking Sonnet wins 90% of the time. That's not luck.
Claude 3.7 Thinking Sonnet particularly excels in Web Design, Reasoning. Gemini 2.5 Pro (I/O Edition) is 3.0x cheaper per token — worth considering if cost matters.
Claude 3.7 Thinking Sonnet uses 17.7x more transitions
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 3.7 Thinking Sonnet by Anthropic against Gemini 2.5 Pro (I/O Edition) by Google AI, in 33 community votes, claude 3.7 thinking sonnet wins 90% of head-to-head duels, tested across 41 shared challenges. Updated April 2026.
Claude 3.7 Thinking Sonnet is the better choice overall, winning 90% of 33 blind community votes on Rival. Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). Compare their real outputs side by side below.
Claude 3.7 Thinking Sonnet is made by anthropic while Gemini 2.5 Pro (I/O Edition) is from google. On pricing, Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). In community voting, In 33 community votes, Claude 3.7 Thinking Sonnet wins 90% of head-to-head duels.
In 33 community votes, Claude 3.7 Thinking Sonnet wins 90% of head-to-head duels. Claude 3.7 Thinking Sonnet leads in Web Design, Reasoning. Based on blind community voting from the Rival open dataset of 33+ human preference judgments for this pair.
Pick Claude 3.7 Thinking Sonnet. In 33 blind votes, Claude 3.7 Thinking Sonnet wins 90% of the time. That's not luck.
Claude 3.7 Thinking Sonnet particularly excels in Web Design, Reasoning. Gemini 2.5 Pro (I/O Edition) is 3.0x cheaper per token — worth considering if cost matters.
Claude 3.7 Thinking Sonnet uses 17.7x more transitions
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.

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24+ more head-to-head results. Free. Not a trick.
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36 fights queued
24+ 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