Claude Sonnet 4

anthropic · Ranked across 5 benchmarks · best rank #4

Benchmark scores

BenchmarkCategoryRankScoreCaptured
SWE-bench Verified agents #4 76.8% 2025-08-04
Aider Polyglot code #11 61.3% 2025-05-24
AA Coding Index code #20 37.6% 2026-07-31
OpenRouter · Weekly Usage usage #30 #77 2026-06-09
Chatbot Arena chat #42 1348 2026-07-30