These tools competes with
OpenAI Codex CLIvsClaude Code
OpenAI's open-source terminal agent for autonomous coding tasks versus Anthropic's official CLI coding agent
Compare interactively in Explore →Choose OpenAI Codex CLI when…
- •using OpenAI models and want a terminal coding agent
- •prefer open-source with full control over the agent loop
- •need to integrate with existing OpenAI API infrastructure
Choose Claude Code when…
- •You want an agentic terminal assistant
- •You need Claude to run commands and tests
- •You prefer CLI over a GUI editor
Side-by-side comparison
Field
OpenAI Codex CLI
Claude Code
Category
Coding Assistants
Coding Assistants
Type
Open Source
Commercial
Free Tier
✗ No
✗ No
Pricing Plans
Pay-as-you-go: OpenAI API tokens
API usage: Usage-based
GitHub Stars
⭐ 28,000
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Health
●80 — Active
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OpenAI Codex CLI
OpenAI Codex CLI is an open-source terminal agent that applies natural language instructions to your local codebase. Running in your terminal, it reads files, writes code, runs tests, and iterates until the task is complete — powered by OpenAI's o4-mini model.
Claude Code
Terminal-first agentic coding assistant from Anthropic. Full MCP client support, codebase-aware, runs multi-step tasks autonomously.
Shared Connections2 tools both integrate with
Only OpenAI Codex CLI (1)
Claude Code
Only Claude Code (17)
MCP SDK (TypeScript)E2BLangfuseLiteLLMCodeRabbitClineLangGraphGooseCursorDevin
Explore the full AI landscape
See how OpenAI Codex CLI and Claude Code fit into the bigger picture — 207 tools, 452 relationships, all mapped.