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Home / Compare / Claude Code vs OpenAI Codex

Claude Code vs OpenAI Codex (2026)

Pricing, features and who each one is for, checked against both vendors' pricing pages in November 2026.

Quick verdict: Both are coding agents, so this is a direct choice. Claude Code is cheaper to start (from $17/mo). Pick Claude Code for professional developers, AI coding agents for the terminal. Pick OpenAI Codex for professional developers, AI coding agents for the terminal, teams.

Try Claude CodeTry OpenAI Codex

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Side by side

Claude CodeOpenAI Codex
TypeTerminal coding agentCoding agent (cloud, CLI, IDE)
Made byAnthropicOpenAI
Free tierNoNo
Starts atFrom $17/moFrom $20/mo
PlansIncluded in Claude Pro ($17/mo annual, $20 monthly), Max $100/mo, Ultra $200/mo; Team seats from $20; or pay-as-you-go APIIncluded in ChatGPT Plus $20/mo, Pro $100/mo, Business $20/user/mo (2+ seats, annual)
Open sourceNoNo
Runs inCLI, IDE extension, Desktop, WebCloud, CLI, IDE extension, ChatGPT app

Claude Code strengths

  • Strong at multi-file refactors and long agent runs
  • One subscription covers chat and coding
  • Max and Ultra add monthly API credits

OpenAI Codex strengths

  • Included with ChatGPT plans you may already pay for
  • Parallel cloud agents that keep running when you close your laptop
  • Automatic PR review

Claude Code drawbacks

  • No free tier for Claude Code
  • Usage limits reset on 5-hour and weekly windows
  • Terminal-first workflow has a learning curve

OpenAI Codex drawbacks

  • Usage caps on Plus are aimed at focused sessions
  • Best experience assumes a ChatGPT account and GitHub repos

Read the full reviews: Claude Code · OpenAI Codex