OpenAI Codex
OpenAI's software engineering agent that works on tasks in parallel cloud sandboxes and in your terminal — included with ChatGPT paid plans.
Overview
OpenAI's software engineering agent that works on tasks in parallel cloud sandboxes and in your terminal — included with ChatGPT paid plans.
OpenAI Codex is a paid product.
OpenAI Codex is one of 40 AI Coding tools tracked on ToolScanner. You can compare it side by side with alternatives, check verified monthly-billing prices, and add it to your AI stack to see what your whole setup costs.
Pricing
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Compare with alternatives
Frequently asked questions
Is OpenAI Codex free?
No — OpenAI Codex is a paid product.
How much does OpenAI Codex cost?
OpenAI Codex doesn't sell a single flat monthly plan, so we don't list one number here — check the official pricing page for current plans.
Does OpenAI Codex offer a free trial?
No free trial is listed for OpenAI Codex.
What is OpenAI Codex used for?
OpenAI's software engineering agent that works on tasks in parallel cloud sandboxes and in your terminal — included with ChatGPT paid plans. On ToolScanner, OpenAI Codex is listed under AI Coding.
What are the best OpenAI Codex alternatives?
Popular AI Coding alternatives include Augment Code, OpenHands, Devin, Roo Code, Jules. You can compare any of them with OpenAI Codex side by side on ToolScanner.
Where can I check OpenAI Codex's latest pricing?
On the official website — providers change prices and plans at any time, so always confirm there before purchasing. ToolScanner shows the monthly-billing price as of our last check (last verified 2026-07-28).