Top use cases
Fix a bug
Describe the problem and let Codex suggest and make the code change.
Review pull requests
Use automatic code review on paid plans to catch issues before merging.
Schedule routine tasks
Set up scheduled tasks so repeated coding chores run without you.
OpenAI Codex FAQs
What is OpenAI Codex?
OpenAI Codex is a coding agent from OpenAI included in ChatGPT plans, on web, CLI and IDE. Codex is OpenAI's coding agent, included in ChatGPT plans. You can use it on the web, in the CLI, in an IDE extension or in the desktop app.
Is OpenAI Codex free?
Yes, OpenAI Codex has a free plan: included in the ChatGPT Free plan. Paid pricing: ChatGPT Go at $8/month, Plus at $20/month.
How much does OpenAI Codex cost in India?
OpenAI Codex pricing: ChatGPT Go at $8/month, Plus at $20/month. Prices on the official site are in US dollars. Prices can change, so check developers.openai.com for the latest pricing.
What is OpenAI Codex best for?
OpenAI Codex is best for chatGPT users who code. People use it to fix a bug, review pull requests and schedule routine tasks.
How to fix a bug with OpenAI Codex?
With OpenAI Codex, you can describe the problem and let Codex suggest and make the code change.
How to review pull requests with OpenAI Codex?
With OpenAI Codex, you can use automatic code review on paid plans to catch issues before merging.
How to schedule routine tasks with OpenAI Codex?
With OpenAI Codex, you can set up scheduled tasks so repeated coding chores run without you.
What are the best OpenAI Codex alternatives?
Popular alternatives in Coding include Claude Code, Bolt.new, v0 (by Vercel) and Kiro. Each has its own free plan and price, so compare them on the tool pages.
Where can I sign up for OpenAI Codex?
On its official website, developers.openai.com. You can start on the free plan.
When were OpenAI Codex's price and features last checked?
We checked them on the official site on 28 October 2026. Plans change often, so confirm the latest price on developers.openai.com before you pay.