Burkov Tests Claude Sonnet 5.5: Bug Fixing About 5x Faster

Andriy Burkov reports that Claude Sonnet 5.5 (high effort) fixes code issues about 5x faster than before, with responses so fast he can't submit bugs or deploy fixes quickly enough to keep up.

2026-09-29 ~ 2026-09-29 · 3 related posts

• Burkov on Sonnet 5.5 High: 'crazy how fast it is' for code questions — burkov · 2026-09-29
• Early Sonnet 5.5 impressions: ~5x faster bug fixes at high effort — burkov · 2026-09-29
• Burkov: Sonnet 5.5 fixes bugs faster than I can file and deploy them — burkov · 2026-09-29