OpenAI Codex Plus: how much usage do you really get?

Official estimate of local messages per 5 hours: GPT-6.1 Sol 15–160, GPT-6.1 Terra 35–285, GPT-6 Sol 15–150, GPT-6 Astra 5–45, GPT-6 Luna 350–3,000. Weekly limits may also apply. Fast mode draws 2.5x included usage.

How limits work: Codex and ChatGPT Work share one allowance. OpenAI publishes estimated local messages per 5-hour window for Plus (not fixed limits); weekly limits may also apply.

Source: developers.openai.com/codex/pricing · checked 2026-10-29

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