OpenAI Codex
OpenAI Codex is openAI's coding agent for CLI, IDE and cloud (category: Coding Agents (CLI & Cloud)). Not yet tested by VibeToolRank. 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 updated:
Pricing and free tier
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
This tool is queued for our standard build tasks. See the methodology.
Related
Comparisons
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Best Coding Agents (CLI & Cloud) · Best free Coding Agents (CLI & Cloud) · How we test