IT Xianyu
Jul 27, 2026 · Artificial Intelligence
Midnight Release of Claude Opus 5: Using an Old Project to Hunt Bugs Yields Surprising Findings
At 1 am on Friday, the author fed a legacy pagination function to Claude Opus 5, discovered a floating‑point edge case missed by community patches, then exposed a zero‑batch‑size bug and a demo‑level market‑data parser, while comparing performance, cost and fallback behavior of the new model.
AI debuggingClaude Opus 5bug detection
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