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OpenAI · AI coding tool

OpenAI Codex pricing and plans

OpenAI’s coding agent, included with ChatGPT plans.

OpenAI Codex has a free plan (ChatGPT Free). The cheapest paid plan is ChatGPT Go at $8/mo. The top individual plan is ChatGPT Pro at From $100/mo.

US prices verified October 29, 2026.

Looking for per-token prices? OpenAI API pricing →

OpenAI Codex plans at a glance

PlanMonthlyBilled yearlyHighlights
ChatGPT FreeFree—Codex on quick coding tasks
ChatGPT Go$8—Codex for lightweight coding tasks
ChatGPT Plus$20—Codex on the web, CLI, IDE extension and iOS
ChatGPT Profrom $100—Plans at $100, $200 or $500 a month
ChatGPT Business$25/user$20/moCodex across desktop and mobile apps
Free

ChatGPT Free

Free
  • Codex on quick coding tasks
Budget

ChatGPT Go

$8/mo
  • Codex for lightweight coding tasks
Standard

ChatGPT Plus

$20/mo
  • Codex on the web, CLI, IDE extension and iOS
  • Automatic code review and Slack integration
Power user

ChatGPT Pro

From $100/mo
  • Plans at $100, $200 or $500 a month
  • Ultrafast mode on the $500 plan
  • No five-hour usage limit
Teams

ChatGPT Business

$25/mo per user
$20/mo billed yearly
  • Codex across desktop and mobile apps

Requires 2 or more users.

Good to know

  • Also usable with an OpenAI API key, billed at API token prices.

Compare OpenAI Codex

Prefer paying per token?

The API models behind OpenAI Codex, billed by usage instead of a subscription:

Frequently asked questions

How much does OpenAI Codex cost per month?
OpenAI Codex costs from $8 to $100 a month for individuals: ChatGPT Go $8/mo; ChatGPT Plus $20/mo; ChatGPT Pro from $100/mo. There is also a free plan, ChatGPT Free.
Is OpenAI Codex free?
Yes. OpenAI Codex is included with ChatGPT Free (Codex on quick coding tasks), with lower limits than the paid plans. Paid plans start at $8 a month with ChatGPT Go.
Is OpenAI Codex included in my subscription?
Yes. OpenAI Codex comes with ChatGPT Go, ChatGPT Plus, ChatGPT Pro and ChatGPT Business at no extra cost; it shares the plan’s usage limits.
What’s the difference between ChatGPT Go and ChatGPT Plus for OpenAI Codex?
ChatGPT Go costs $8/mo and includes: Codex for lightweight coding tasks. ChatGPT Plus costs $20/mo, $12 more a month, and includes: Codex on the web, CLI, IDE extension and iOS; Automatic code review and Slack integration.
What’s the difference between ChatGPT Plus and ChatGPT Pro for OpenAI Codex?
ChatGPT Plus costs $20/mo and includes: Codex on the web, CLI, IDE extension and iOS; Automatic code review and Slack integration. ChatGPT Pro costs from $100/mo, $80 more a month, and includes: Plans at $100, $200 or $500 a month; Ultrafast mode on the $500 plan; No five-hour usage limit.
Is OpenAI Codex cheaper if I pay yearly?
Yes, for ChatGPT Business ($20/mo instead of $25, 20% less).
How much does OpenAI Codex cost for a team?
ChatGPT Business: $25/mo per user ($20/mo billed yearly) (Requires 2 or more users).
Can I pay for OpenAI Codex per token instead?
Yes. The models behind OpenAI Codex are also sold through the API, billed per token: GPT-6.1 Sol at $2.00 input / $10.00 output per 1M tokens; GPT-6 Sol at $2.00 input / $10.00 output per 1M tokens; GPT-6 Luna at $0.10 input / $0.50 output per 1M tokens. That is usually cheaper for light use and more expensive for heavy daily use.

Source: OpenAI official pricing ↗. See all ai coding tools.