Claude Code vs Codex: Side-by-Side Comparison 2026

Claude Code vs Codex comparison 2026. Side-by-side features, pricing & capabilities.

Claude Code is a CLI-based coding agent and an AI agent from Anthropic — agentic coding in your terminal and ide. Codex is an AI agent and a CLI-based coding agent from OpenAI — asynchronous autonomous coding agent.

Claude Code🏆 Approved

Anthropic's agentic coding tool available via terminal CLI, VS Code extension (GA), JetBrains plugin (beta), a Code tab in the Claude Desktop app, and web interface. The CLI is open source.

  • ✓ Agentic file editing
  • ✓ Terminal integration
  • ✓ Git operations
  • ✓ Multi-file refactoring
  • ✓ Code review

Free / $20/mo · 7 plans

Codex🏆 Approved

OpenAI's autonomous coding agent. Available via web, desktop app (macOS), CLI (macOS/Linux/Windows), and VS Code extension.

  • ✓ Code completions
  • ✓ AI chat
  • ✓ Agentic mode
  • ✓ Multi-file editing
  • ✓ Terminal commands

Free / $8/mo · 6 plans

Feature Claude Code Codex
Category CLI / AgentAgent / CLI
Starting Price Free Free
Model Family ClaudeGPT / Codex
Open Source Yes (CLI is open source)Yes (CLI)

Pricing verified Feb 25, 2026. Claude Code pricing | Codex pricing

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Key Differences

  • Starting price: Claude Code starts at $20/mo; Codex starts at $8/mo.
  • Model family: Claude Code uses Claude; Codex uses GPT / Codex.
  • Open source: Claude Code: Yes (CLI is open source). Codex: Yes (CLI).
  • Platforms: Claude Code runs on Linux, Web, Windows (WSL), macOS; Codex runs on Linux, Web, Windows (experimental), macOS.
  • Provider: Claude Code is built by Anthropic; Codex is built by OpenAI.

Which Should You Choose?

Choose Claude Code if you want autonomous multi-file changes with full codebase understanding. Choose Codex if you want asynchronous coding tasks you can fire off and review when ready. Read our full reviews to see which fits your workflow.

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