OpenAI Codex
by OpenAI💻 CodingCloud-based AI coding agent — writes, tests, and fixes code autonomously in a sandbox
Autonomous coding, sandbox execution, PR creation, test writing
Last updated: March 29, 2026 · Pricing verified from official sources. Prices are subject to change by the provider.
Pricing
Price stable
Free TierNo
Entry Plan$25/user/mo (ChatGPT Team)
Team Plan—
EnterpriseCustom pricing
API PricingVia ChatGPT
See full API pricing & compare models →Prices exclude applicable taxes (VAT/GST/sales tax varies by region). Monthly prices shown — annual plans typically save 15-20%.
Specifications
Context / Input—
Max OutputCode, tests, PRs
ModalitiesText
Agent / AgenticYes — autonomous sandbox
SecurityBasic
Self-hostedNo
OpenAI Codex — Who Is It Best For?
Autonomous coding, ChatGPT ecosystem
Ideal for:Developers
✅ Strengths
• Competitive pricing ($25/mo)
• Yes — autonomous sandbox
• Autonomous coding
💭 Consider
• No free tier
• Cloud-only (no self-hosting)
• Limited security certifications
• Enterprise plan may be required for teams
💡 Budget tip: OpenAI Codex doesn't have a free tier — Paid plans start at $25/mo. For a free alternative, check out Cursor.
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Frequently Asked Questions
How much does OpenAI Codex cost?
OpenAI Codex starts at $25/month. Enterprise pricing is available on request.
Is OpenAI Codex free?
No, OpenAI Codex does not offer a free tier. The entry price is $25/month.
What is OpenAI Codex best for?
OpenAI Codex is best for Autonomous coding, ChatGPT ecosystem. Key features include: Autonomous coding, sandbox execution, PR creation, test writing.
Is OpenAI Codex right for you?
Get a personalised AI Fit Score based on your role, budget, team size, and priorities.
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AiToolsMentor.com · Pricing verified March 29, 2026 · AI Tools Mentor Fit Score