Claude Code vs OpenAI Codex: pricing & features compared

Short answer: Claude Code has no free plan, with paid plans from US$20/mo (Pro). OpenAI Codex has a free plan, with paid plans from US$8/mo (Go). OpenAI Codex is cheaper to start. Both are Terminal coding agents. Verified from each vendor's pricing page on 28 Oct 2026.

Anthropic's and OpenAI's coding agents, each bundled into their chat subscriptions.

Every cell links to the vendor page it came from. Last verified 28 Oct 2026.

Key differences (from the vendors' own pages)

Side-by-side

Claude CodeOpenAI Codex
CategoryTerminal coding agentsTerminal coding agents
Free tierNo free plan
Claude Code is not included on the Claude Free plan
source · verified 2026-10-28
Free plan
Included with ChatGPT Free for quick coding tasks
source · verified 2026-10-28
Cheapest paid planPro: US$20/mo
source · verified 2026-10-28
Go: US$8/mo
source · verified 2026-10-28
All plansPro: US$20/mo
Max 5x / 20x: US$100/mo
Team: Contact / not captured
Enterprise: US$20/seat/mo
Free: Free
Go: US$8/mo
Plus: US$20/mo
Pro: US$100/mo
Business: US$20/user/mo
Enterprise & Edu: Contact / not captured
PlatformsTerminal, VS Code, JetBrains, Desktop, Web
source · verified 2026-10-28
Terminal, Desktop app
source · verified 2026-10-28
Key features
  • Included in all paid Claude plans
  • Shares usage limits with Claude chat
  • Pay-as-you-go via API Console option
  • Usage credits at API rates when limits are hit
source · verified 2026-10-28
  • Included in ChatGPT plans
  • Shares usage with ChatGPT Work
  • Desktop app
  • Ultrafast mode on Pro $500
source · verified 2026-10-28
Open source-Apache-2.0 (Codex CLI)
Last verified28 Oct 202628 Oct 2026
Visit Claude Code ↗Direct link: no affiliate IDVisit OpenAI Codex ↗Direct link: no affiliate ID

Hands-on notes

Placeholder - not yet tested. This section is reserved for our own hands-on test of Claude Code and OpenAI Codex: what we built, how long it took, what broke, and what it cost. Nothing here is written until we have actually used it. No ratings or reviews are shown until then.

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