Unverified50% confidenceBenchmarkExact time
Sonnet 5.5's scores on Frontier Code-related benchmarks have risen from 42 to 46 and 52.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/30/2026
First Seen
Valid until: 12/29/2026
Sources
Related Entities
Related Claims
Unverified在 Cognition 推出的第三方基准 Frontier Code 上，Sonnet 5 超越了 Opus 4.870% similarVerifiedClaude Sonnet 5 scores 63.22% on SWE-bench Verified (Agentic Coding), approximately 6 percentage points behind Opus 4.8.68% similarUnverifiedSonnet 5 ranked only 13th on the CursorBench coding benchmark.67% similarUnverifiedFrom Claude 3 Sonnet to Claude 3.5 Sonnet and then to Claude 4 Sonnet, the score improvement on coding benchmarks with each upgrade shows a diminishing trend, with early version-to-version jumps potentially reaching 10–20 percentage points, while the gap between subsequent versions often narrows to 2–5 percentage points.67% similarUnverifiedOn the SWE-Bench Pro benchmark, Sonnet 5 significantly trails Opus 4.8.65% similar
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