Codex ChatGPT Pro 500
$500/mo
What you get
- Coding agent
- Includes GPT-6 Astra Ultrafast and GPT-6.1 Sol Ultrafast
- Included usage
- Highest included usage of the Pro tiers; Ultrafast included
- Limit windows
- weekly (may apply)
- If you run out
- ChatGPT credits (purchasable)
Quota details
- Only Pro tier with Ultrafast: uses included usage at 8x the Standard rate, then credits at 6x.
Not published / unknown
We don't guess. These are the things we could not confirm from a source.
- Allowance: not published
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Changes affecting this plan
- observed 2026-10-19: ChatGPT Pro now has three tiers: $100, $200 and a new $500 tier with Ultrafast
- 2026-10-14: GPT-5.5 retired from Codex with ChatGPT sign-in
Sources
Every figure on this page comes from these pages, read on the dates shown.