OpenAI Codex pricing (October 2026)
OpenAI Codex plans as of Oct 21, 2026: Free $0, Go $8, Plus $20, Pro $100, Business $25 (team prices per user).
Plans and limits
| Plan | Price / month | Key limits | Source |
|---|---|---|---|
| Free | $0 | Limited | developers.openai.com checked Oct 21, 2026 |
| Go | $8 | Lightweight | developers.openai.com checked Oct 21, 2026 |
| Plus | $20 | Per 5h local msgs: GPT-6.1 Sol 15-160, GPT-6 Astra 5-45, Luna 350-3,000; weekly limits | developers.openai.com checked Oct 21, 2026 |
| Pro | $100 | Tiers $100/$200/$500; no 5-hour limit; Ultrafast on $500 | developers.openai.com checked Oct 21, 2026 |
| Business | $25 per user / from | per user/month billed monthly (annual cheaper, 2+ users) | developers.openai.com checked Oct 21, 2026 |
Official pricing: developers.openai.com. Prices are USD list prices excluding tax.
Our verdict
Codex comes with ChatGPT plans, and OpenAI publishes unusually concrete limits (local messages per 5 hours by model) plus a credit rate card. Plus ($20) suits a few focused sessions a week; Pro tiers ($100/$200/$500) remove the 5-hour limit.
Verdicts are editorial and independent. No vendor pays for placement. Disclosure.
How OpenAI Codex bills usage
- Free with limited usage.
- Flat price. Usage is capped by a quota the vendor does not publish in dollars or tokens.
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FAQ
- How much does OpenAI Codex cost?
- OpenAI Codex plans as of Oct 21, 2026: Free $0, Go $8, Plus $20, Pro $100, Business $25 (team prices per user). The cheapest paid plan is Go at $8/month.
- Is Codex included in ChatGPT Plus?
- Yes. Codex is included in Free, Go, Plus, Pro, Business, Edu and Enterprise, with very different limits.
- How many Codex messages do I get on Plus?
- OpenAI's estimate per 5-hour window on Plus: GPT-6.1 Sol 15–160, GPT-6 Sol 15–150, GPT-6 Astra 5–45, GPT-6 Luna 350–3,000 local messages. Weekly limits may also apply.
Changelog
- 2026-10-21 · First Seats & Tokens snapshot. Baseline capture of plan prices for 17 tools and token prices for 28 models.
- 2026-10-21 · Model prices: switched four models to first-party list prices. DeepSeek V4 Pro and V4.1 Flash (peak rates; off-peak is half), Qwen3 Coder Next (Alibaba Model Studio, international) and GLM-5.3 (Z.ai) now show the vendor's own price instead of an OpenRouter routed price. Kimi K3 and K2.7 Code still show OpenRouter prices because Moonshot's price table could not be read. source
- 2026-10-14 · GPT-5.5 retired from Codex (ChatGPT sign-in). GPT-5.5 retires from Codex with ChatGPT sign-in on 14 Oct 2026 at 19:00 UTC. API-key sessions are not affected. source