What is the difference between Claude 3.7 Thinking Sonnet and Gemini 2.5 Pro Experimental?

Claude 3.7 Thinking Sonnet is developed by Anthropic while Gemini 2.5 Pro Experimental is developed by Google AI. Claude 3.7 Thinking Sonnet has a 200K token context window vs Gemini 2.5 Pro Experimental's 1.0M. in 402 community votes on Rival, Claude 3.7 Thinking Sonnet wins 55% of head-to-head matchups. These results are based on blind head-to-head voting across 43 challenges.

Which is better, Claude 3.7 Thinking Sonnet or Gemini 2.5 Pro Experimental?

Based on 402 community votes on Rival, Claude 3.7 Thinking Sonnet wins 55% of head-to-head matchups against Gemini 2.5 Pro Experimental. Claude 3.7 Thinking Sonnet is strongest in Web Design, Image Generation. However, Gemini 2.5 Pro Experimental leads in Reasoning, Conversation.

How much does Claude 3.7 Thinking Sonnet cost compared to Gemini 2.5 Pro Experimental?

Claude 3.7 Thinking Sonnet costs $6/M input tokens and Gemini 2.5 Pro Experimental costs $1/M input tokens. Gemini 2.5 Pro Experimental is $5.00/M cheaper per input. The more expensive model wins 55% of duels, so the premium may be justified by quality.

How are Claude 3.7 Thinking Sonnet vs Gemini 2.5 Pro Experimental votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 402 votes have been collected for this pair across 43 challenges. All vote data is part of Rival's open dataset.

Updated Mar 2025

Claude 3.7 Thinking SonnetvsGemini 2.5 Pro Experimental

Claude 3.7 Thinking Sonnet wins 55% of 402 blind community votes against Gemini 2.5 Pro Experimental on Rival.

Claude 3.7 Thinking Sonnet and Gemini 2.5 Pro Experimental compared across 43 shared prompts
Spec	Claude 3.7 Thinking Sonnet	Gemini 2.5 Pro Experimental
Win rate	55%	45%
Input price	$6/M tokens	$1/M tokens
Output price	$30/M tokens	$2/M tokens
Context window	200K tokens	1.0M tokens
Parameters	Not disclosed	Not disclosed
Weights	—	Closed
Free API (OpenRouter)	No	No
Released	Feb 2025	Mar 2025
MMLU	77.1%	90.0%

Our Verdict

Claude 3.7 Thinking SonnetWinner

Gemini 2.5 Pro ExperimentalRunner-up

Claude 3.7 Thinking Sonnet has the edge overall. In 402 blind votes, Claude 3.7 Thinking Sonnet wins 55% of the time.

Pick Claude 3.7 Thinking Sonnet for Web Design, Image Generation. Pick Gemini 2.5 Pro Experimental for Reasoning, Conversation. Gemini 2.5 Pro Experimental costs 15x less per token.

Slight edge

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API pricing