Codex users report built-in deep-research skill vanishing from CLI overnight

Hot_Independence5160 · reddit · 2026-09-15

A Reddit user reports Codex's built-in deep-research skill (deep-research-work) disappeared within the last 24 hours, cutting their subagent runtime by about 20%. After updating, they found the skill still works on the website but not in Codex — an apparently silent capability change by OpenAI.

Original post →

More from coding & agent

coding & agent channel →