OpenAI Codex pricing & usage limits
Vendor: OpenAI · Works in: CLI, IDE extension, web, Codex app
How limits work: Included in ChatGPT plans. Plus: estimated local messages per 5-hour window (e.g. GPT-6.1 Sol 15-160, GPT-6 Astra 5-45), weekly limits may apply. Pro: no 5-hour limit currently. Credits extend usage.
| Plan | Price | Usage | Source |
|---|---|---|---|
| Free | $0 | Limited Codex | official |
| Go | $8/mo | Limited Codex; may include ads | official |
| Plus | $20/mo | Expanded Codex; 5-hour message estimates by model | official |
| Pro 100 | $100/mo | No 5-hour limit currently; exact allowance unknown | official |
| Pro 200 | $200/mo | More than Pro 100; new subs get lower allowance than before (grandfathering to 2026-10-29) | official |
| Pro 500 | $500/mo | Highest allowance; Ultrafast mode | official |