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OpenAI Codex Pro ($100 / $200 / $500): how much usage do you really get?
Price: $100, $200 or $500/mo
What OpenAI officially says
Pro plans currently have no five-hour limit (per OpenAI). Ultrafast mode only on Pro $500. Per-tier weekly allowances are not stated on the pricing page.
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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