OpenAI Codex plans, limits, and features
Codex is included in ChatGPT plans. USD prices are from the Codex pricing page. An NL view of chatgpt.com showed EUR and was not converted.
developers.openai.com/codex/pricing redirected to https://learn.chatgpt.com/docs/pricing. That page lists Free $0, Go $8, Plus $20, Pro from $100 with tiers at $100, $200, and $500, Business $20 per user per month billed annually or $25 monthly, and Enterprise/Edu as contact sales. chatgpt.com showed EUR on the same day and was not used for the stored amounts.
Plans
| Plan | Monthly | Annual | Included | Limit | Overage | Checked |
|---|---|---|---|---|---|---|
| Free | $0 | — | GPT-6 Luna in the desktop app. Codex access is Limited. | Codex access on the ChatGPT table is Limited. | — | 17 Oct 2026 |
| Go | $8 | — | Lightweight plan on Luna. Codex access is Limited. | Codex access on the ChatGPT table is Limited. | — | 17 Oct 2026 |
| Plus | $20 | — | Codex on web, CLI, IDE, and iOS, plus cloud review and Slack. GPT-6.1 Sol and Luna. Codex access is Expanded. | Local messages per 5 hours, also stated for Standard Business. GPT-6 Astra 5–45, GPT-6.1 Sol 15–160, GPT-6 Sol 15–150, GPT-6 Luna 350–3,000. | — | 17 Oct 2026 |
| Pro | from $100 | — | Longer Codex sessions. Tiers at $100, $200, and $500. Ultrafast mode is on the $500 tier. No 5-hour limit. | No 5-hour limit. The page lists tiers at $100, $200, and $500. | — | 17 Oct 2026 |
| Business | $25 | $20/mo | Business seat. 2 or more users. | $25 per user monthly, or $20 per user per month billed annually. Standard Business shares the Plus local-message ranges per 5 hours. | — | 17 Oct 2026 |
| Enterprise / Edu | — | — | Enterprise and Edu | Contact sales. No seat price was printed. | — | 17 Oct 2026 |
Limits
| Plan | Type | What the page said | Overage | Usage billing |
|---|---|---|---|---|
| Free | 5h-window | Codex access on the ChatGPT table is Limited. | — | included |
| Go | 5h-window | Codex access on the ChatGPT table is Limited. | — | included |
| Plus | 5h-window | Local messages per 5 hours, also stated for Standard Business. GPT-6 Astra 5–45, GPT-6.1 Sol 15–160, GPT-6 Sol 15–150, GPT-6 Luna 350–3,000. | — | included |
| Pro | none | No 5-hour limit. The page lists tiers at $100, $200, and $500. | — | included |
| Business | 5h-window | $25 per user monthly, or $20 per user per month billed annually. Standard Business shares the Plus local-message ranges per 5 hours. | — | included |
| Enterprise / Edu | — | Contact sales. No seat price was printed. | — | unknown |
Features recorded from the vendor
- Codex access on the ChatGPT table is Limited on Free and Go, Expanded on Plus, and longer sessions on Pro. source
Bring your own key and licence
- BYO key: not verified
- Open source: not verified
- Student offer: not verified
- Surfaces: cli, app, cloud
MCP
Supported. Config: ~/.codex/config.toml and .codex/config.toml. Transports: stdio, streamable-http. Docs
Affiliate
No confirmed affiliate programme is configured for OpenAI Codex.