Claude Sonnet 4.5 leads SWE-Bench Verified at 64.2% · DeepSignalClaude Sonnet 4.5 leads SWE-Bench Verified at 64.2%
Claude Sonnet 4.5 jumps SWE-Bench Verified to 64.2% and adds a 200K-token context option.
Key Points
- +10.5 pt on SWE-Bench Verified vs Sonnet 4.
- 200K-token context option in the API.
- Same price tier as Sonnet 4.
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≥75 high · 50–74 medium · <50 low
Why Featured
SWE-Bench Verified is the clearest agent-coding signal; a 10pt jump is a major reset for tooling builders.
