Amp vs Claude Code vs Codex

Prices checked on official pricing pages Oct 13, 2026.

AmpClaude CodeCodex
PriceUsage-based; plans check siteIncluded in Claude Pro $20/mo ($17/mo yearly); Max from $100/moIncluded in ChatGPT Free (limited); Plus $20/mo; Pro from $100/mo
Free optionSign in with ChatGPT Plus/Pro for OpenAI models (check site)Gemini CLI / Aider (open source)Claude Code / Gemini CLI / Cursor Free
InterfaceWeb, CLI, Mac/iOS appsTerminal / desktop app / IDEApp, CLI, IDE extension, cloud
ModelsMulti-model (OpenAI, Anthropic, fast models)Anthropic onlyOpenAI only
Best forCloud agents you check from anywhereDeep multi-file refactors & planningBackground tasks, PRs, ChatGPT tie-in
Try AmpTry Claude CodeTry Codex

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Verdict

Want the best model for each job and agents running in the cloud: Amp. Want depth on hard repo work: Claude Code. Already pay for ChatGPT: Codex.

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