Opus 5.5 audits a 200k-line codebase in under 3 hours using 2.5x fewer tokens than Opus 5
minchoi · x · 2026-09-23
Hands-on coding results for Opus 5.5:
- Auditing and fixing a 200,000-line codebase: under 3 hours vs 20+ hours for Opus 5, with 2.5x fewer tokens used
- An early tester ran a 680,000-line code migration that Opus 5.5 finished in less than a day; Anthropic says the same work would take an engineering team weeks
Related event: Claude Opus 5.5 Benchmarks Lead Across the Board at Half the Price(21 posts)→
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