OpenAI Codex
OpenAI's coding agent for CLI, IDE and cloud.
Pricing
Included in ChatGPT Free, Go, Plus, Pro ($100 and $200 tiers), Business ($20 and $100 tiers), Enterprise. Plus price not shown on page (search excerpt: $20/mo)
Free tier
Yes: limited Codex on ChatGPT Free and Go
Last checked
2026-10-16
Pricing: verified-official source · verified 2026-10-16 (full-page-read)
Agent test verdict
Not yet tested
This tool is queued for our standard build tasks. See the methodology.