1. Models
  2. Claude Opus 4 vs Claude Sonnet 4

3 charts

Claude Opus 4 vs Claude Sonnet 4

Every chart we tracked that puts them side by side. Open one to see the test, the source and how far it travelled.

Claude Opus 4Claude Sonnet 4
Arena benchmark bar chart: AI Code Arena Scores52x
Arena·Apr 2026
AI Code Arena Scores
174.4K views1K likes0.7% eng.
Data
Arena leaderboard: Claude Sonnet 4.5 Text Arena20x
Arena·Oct 2025
Claude Sonnet 4.5 Text Arena
86.8K views403 likes0.5% eng.
Data
Arena table chart: Claude Sonnet 4.5 Arena Ranking21x
Arena·Oct 2025
Claude Sonnet 4.5 Arena Ranking
46.8K views429 likes1.1% eng.
Data

Questions people ask

Is Claude Opus 4 better than Claude Sonnet 4?

3 charts we tracked put Claude Opus 4 and Claude Sonnet 4 side by side, from Arena. Which wins depends on the benchmark; each chart below shows its own test.