What is the difference between Claude 3.7 Thinking Sonnet and Claude Sonnet 4?

Both are developed by Anthropic but target different use cases. Claude 3.7 Thinking Sonnet has a 200K token context window vs Claude Sonnet 4's 200K. These results are based on blind head-to-head voting across 28 challenges.

Which is better, Claude 3.7 Thinking Sonnet or Claude Sonnet 4?

Based on 42 community votes on RIVAL, Claude 3.7 Thinking Sonnet and Claude Sonnet 4 are closely matched with similar win rates. The better choice depends on your specific use case — compare their real outputs side-by-side across 28 challenges to decide.

How much does Claude 3.7 Thinking Sonnet cost compared to Claude Sonnet 4?

Claude 3.7 Thinking Sonnet costs $6/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Claude Sonnet 4 is $3.00/M cheaper per input. The more expensive model wins 50% of duels, so the premium may be justified by quality.

How are Claude 3.7 Thinking Sonnet vs Claude Sonnet 4 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. This eliminates brand bias. 42 votes have been collected for this pair across 28 challenges. All vote data is part of RIVAL's open dataset.