Expired50% confidenceBenchmarkExact time
Claude Opus 5.5 topped the CursorBench evaluation benchmark with a score of 57.8% (Max mode).
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
9/26/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/10/2026(expired)
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Related Claims
UnverifiedClaude Fable 5.1 achieved a score of 73.4% on CursorBench 3.2 under the max effort mode.75% similarUnverifiedClaude Opus 4.7 at an intermediate checkpoint achieves a pass rate of 57%, yet its final accuracy is only 39.8%74% similarPartially VerifiedClaude Opus 4.8 scored 69.2% on the SWE-bench benchmark, compared to 58.6% for GPT 5.5 and 54.2% for Google Gemini.68% similar
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