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Comparison

Amp vs OpenAI Codex

	Amp	OpenAI Codex
What it says it does	AmpAmp is a coding agent and development environment built for the frontier. You can build anything in Amp, in orbs that let you run the agent without supervision from anywhere, or on your own machine with our CLI and runner.	OpenAI CodexOpenAI's coding agent. Codex works in a desktop app, on the web, in a CLI, in IDE extensions and on iOS, can run tasks in cloud sandboxes, and reviews GitHub pull requests.
Pricing	AmpHobby free (pay as you go for Amp-hosted orbs, unlimited self-hosted orbs, bring your own ChatGPT/Claude subscriptions or API keys with no Amp token fees); Individual $20/mo (45,000 minutes of hosted orb time, unlimited public/private repositories, your own domains for portals); Teams no extra charge (shared billing and pooled credits, SSO); Enterprise custom (official)	OpenAI CodexIncluded with ChatGPT plans: Free $0 and Go $8/mo (desktop app, lighter model); Plus $20/mo (web, CLI, IDE, cloud code review); Pro $100, $200 or $500/mo; Business $25/user/mo billed monthly; or pay API rates with an API key (official)
Website	Amphttps://ampcode.com/	OpenAI Codexhttps://chatgpt.com/codex/

Which tool for which job

Amp wins when you want an agent that can keep working unattended and you already pay for a model subscription.

OpenAI Codex wins when you want one subscription that covers chat and a coding agent across terminal, IDE and cloud.

Descriptions in the table come from each vendor's own site. This verdict is a fit call from those official pages as of 4 November 2026, not a shared benchmark or a hands-on score. Prices change, so confirm the pricing row on each tool page. How we review tools.

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