Burkov: Codex 6.1 overthinks on High; Sonnet 5.5 Extra remains his pick
burkov · x · 2026-10-08
- Andriy Burkov reports that Codex 6.1 Sol overthinks on its High reasoning setting, making everything painfully slow; switching to Medium makes it usable again.
- He still prefers Sonnet 5.5 Extra, whose speed is so high he finds it hard to believe it actually solves issues — a data point on the depth-vs-latency tradeoff in current coding models.
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