AIHacker Noonabout 7 hours ago
Sonar Benchmark: Claude Opus 5 Hits 88.6% Pass Rate
13 min read
Claude Opus 5 achieved an 88.6% pass rate on Sonar's 544-task Java benchmark, up from Opus 4.8's 82.9%. Bug density fell 14% and vulnerability density 20%, but code smell density rose 17%. Output volume more than doubled to 916,813 lines.
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