Codex
Verified liveOpenAI's cloud and CLI software-engineering agent.
Some links are affiliate links; we may earn a commission at no cost to you — it never affects rankings. Disclosure.
Codex at a glance
- Category
- Coding Agents
- Starting price
- $0 (from $20/mo)
- Pricing model
- Subscription
- Best for
- AI-assisted coding & dev workflows
One of 37 Coding Agents tools we verify live.
What is Codex?
OpenAI's coding agent that works in a sandboxed cloud environment or local CLI to write features, fix bugs, and open pull requests in parallel.
Pros
- Parallel cloud tasks
- CLI and IDE options
- Strong models
Cons
- Included in ChatGPT plans
- Usage limits apply
Top Codex alternatives
- Aider — AI pair programming in your terminal.
- Amazon Q Developer — AWS AI assistant for coding and cloud.
- Augment Code — AI agent tuned for large codebases.
- Bito — AI code review and assistant for teams.
- Blackbox AI — AI coding assistant and code search.
- Bolt.new — Prompt to full-stack app in the browser.
Compare Codex
Codex FAQ
What is Codex?
OpenAI's coding agent that works in a sandboxed cloud environment or local CLI to write features, fix bugs, and open pull requests in parallel.
How much does Codex cost?
Codex pricing starts at $0 (from $20/mo) on a subscription model. Confirm current pricing on the Codex website before buying.
Is Codex free?
Codex offers a free tier or trial to start. Paid plans are listed on the Codex site.
What are the best Codex alternatives?
Top Codex alternatives include Aider, Amazon Q Developer, Augment Code. See the full list of coding agents alternatives on ToolMagpie.
Ready to try Codex?
AI-assisted coding & dev workflows · from $0 (from $20/mo)
Visit Codex →