Recommended for You
OpenAI Codex
The Benchmark Leader
OpenAI's coding agent (CLI, VS Code extension, and cloud sandboxes) running GPT-5.5 and GPT-5.3-Codex. #1 on Terminal-Bench 2.1 with background cloud task execution.
✓Strengths
- •#1 on Terminal-Bench 2.1 (83.4% with GPT-5.5)
- •Cloud sandboxes run coding tasks in the background
- •Very fast on greenfield work (scaffolding, APIs, landing pages)
- •Local CLI + cloud duality
- •Included with ChatGPT Plus ($20/month entry)
⚠Considerations
- •Token-based billing makes heavy-use costs unpredictable
- •Typical heavy use runs $100-200/month
- •Less surgical than Claude Code on legacy refactors per reviews
Pricing & Details
Pricing
From $20/month (ChatGPT Plus) + usage-based tokens
Free Option
No (requires ChatGPT Plus or API)
Best For
Maximum raw capability, background cloud agents, greenfield speed
Ready to get started?
Try OpenAI Codex and see if it's the right fit for your needs.
Try CodexTake Another Quiz