X / Thibault Sottiaux (OpenAI)via @thsottiaux·low signal
OpenAI's Thibault Sottiaux posted that the 5-hour usage limit is coming back to Codex, surfaced on Hacker News. For anyone running agentic coding loops on a subscription rather than metered API access, rolling windows are the real constraint on long-horizon work — they cap session length, not total spend. Single-source announcement via X with no official changelog yet.