OpenAI Codex Paid
Cloud and CLI coding agent that works on tasks in parallel
What is OpenAI Codex?
Codex is OpenAI's software engineering agent, available as a cloud agent in ChatGPT that runs tasks in isolated sandboxes, as an open-source CLI and as an IDE extension. It is included with ChatGPT Plus, Pro, Team and Enterprise.
Pros
- Runs many tasks in parallel in the cloud
- Included with ChatGPT plans
- Open-source CLI
Cons
- Cloud sandbox has limited network access
- Slower feedback loop than a local agent
OpenAI Codex pricing
Paid from $20/mo. Prices change often, so confirm on the official pricing page.
Best OpenAI Codex alternatives
All alternatives →Cursor Freemium
The AI code editor with agent mode, tab completion and codebase chat
Claude Code Paid
Anthropic's terminal-native coding agent for real codebases
🔥 Claude Pro (includes Claude Code): $17/mo billed annually vs $20/mo monthly, save 15%GitHub Copilot Freemium
AI pair programmer inside GitHub, VS Code and JetBrains
🔥 Free Copilot for verified students, teachers & OSS maintainers via GitHub Education, no card requiredWindsurf Freemium
Agentic IDE with Cascade flows and a generous free tier
Lovable Freemium
Full-stack web apps from a chat, with Supabase built in
Replit Freemium
Build and deploy apps from your browser with an AI agent
Compare OpenAI Codex
Verdict
OpenAI Codex scores 8.6/10 in our ai coding assistants & app builders ranking. It is one of the strongest picks in its category.
Try OpenAI Codex ↗ See all ai coding assistants & app builders