Cursor Bugbot is now over 3x faster, 22% cheaper, and finds 10% more bugs

Cursor Bugbot 更新：速度提升超 3 倍、成本降低 22%、发现更多 Bug

Cursor shipped a major Bugbot update: 90% of reviews now finish in under 3 minutes. It's over 3x faster, 22% cheaper per review, and catches 10% more bugs. The new /review command lets you run Bugbot and Security Review inside the editor before pushing code. If you run /review locally and then open a PR with the same diff, Bugbot recognizes it and skips the duplicate review. You can also configure Bugbot to only review what changed since the last review, instead of re-reviewing the entire PR. The speed gains come from harness improvements and training Composer 2.5, which now powers Bugbot. If your org has opted out of Composer 2.5, Bugbot falls back to the next best model, but speed and performance may vary.

Why it matters: Cursor shipped a quantified performance update for Bugbot with clear speed, cost, and detection improvements—useful for developers on Cursor. But Bugbot is a paid feature with a narrow audience, and the post is a first-party product announcement without third-party validation,...