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OpenAI Codex pricing and usage limits
Short answerOpenAI Codex has a free tier; paid individual plans start at $8/month and go up to $100/month. Usage: Codex shares the plan allowance. Five-hour window plus weekly window (per third-party summary of OpenAI help center). Limits reset: 5-hour + weekly windows (Pro tiers: reported no 5-hour limit as of Oct 2026 — secondary source). Checked 2026-10-14 on chatgpt.com.
Coding agent (CLI/app/cloud) · Free tier · * some prices from secondary source
| Plan | Per month | Notes |
|---|---|---|
| Free | $0 | Limited Codex access (official). |
| Go | $8* | Limited Codex (official). Price from secondary source. |
| Plus | $20* | Expanded Codex usage (official). Price from secondary source. |
| Pro (3 tiers) | $100* | Official: 'Your choice of 3 usage tiers'. $100/$200/$500 from secondary source. |
- How usage is metered
- Codex shares the plan allowance. Five-hour window plus weekly window (per third-party summary of OpenAI help center).
- When limits reset
- 5-hour + weekly windows (Pro tiers: reported no 5-hour limit as of Oct 2026 — secondary source)
- When you hit the limit
- Plus/Pro can buy credits or use an API key (secondary source).
Official page lists plans (Free, Go, Plus, Pro with 3 usage tiers) but dollar amounts were not present in the fetched page text. Prices below are from a dated third-party source and marked as such.
Questions
- How much does OpenAI Codex cost?
- Free: Free; Go: $8/mo*; Plus: $20/mo*; Pro (3 tiers): $100/mo*. Checked 2026-10-14.
- Does OpenAI Codex have a free plan?
- Yes. Limited Codex access (official).
- When do OpenAI Codex usage limits reset?
- 5-hour + weekly windows (Pro tiers: reported no 5-hour limit as of Oct 2026 — secondary source)
- What happens when I hit the OpenAI Codex limit?
- Plus/Pro can buy credits or use an API key (secondary source).
- What is the cheapest way to use OpenAI Codex?
- The Go plan at $8/month is the cheapest paid individual plan, after the free tier.