Codex vs Amp
Prices checked on official pricing pages Oct 13, 2026.
| Codex | Amp | |
|---|---|---|
| Price | Included in ChatGPT Free (limited); Plus $20/mo; Pro from $100/mo | Usage-based; plans check site |
| Free option | Claude Code / Gemini CLI / Cursor Free | Sign in with ChatGPT Plus/Pro for OpenAI models (check site) |
| Models | OpenAI only | Multi-model |
| Best for | ChatGPT users, background PRs | Cloud agents across devices |
| Try Codex | Try Amp |
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Verdict
On ChatGPT already: Codex. Want multi-model cloud agents: Amp (and it can use your ChatGPT plan).
Other face-offs: Amp vs Claude Code vs Codex · Cursor vs Cline · Claude Code vs Windsurf · GitHub Copilot vs Gemini CLI · Cursor vs Windsurf vs Claude Code · Cursor vs Claude Code vs Codex · Lovable vs Bolt vs v0 · n8n vs CrewAI vs Lindy