OpenAI Codex vs Google Antigravity

A side-by-side comparison to help you choose the right tool.

OpenAI Codex scores higher overall (86/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Access depends on OpenAI product plan or API usage; advanced agent access is concentrated in higher tiers and previews.
Free plan
Yes
Best for
Developers who want AI to work more directly on real code tasks, Teams exploring terminal-first coding agents, Engineers already invested in OpenAI's ecosystem
Platforms
web, mac, windows, linux, api
API
Yes
Languages
en
Pricing
Preview/experimental access; no standalone commercial pricing published.
Free plan
Yes
Best for
Developers exploring next-generation agentic IDE workflows, Teams watching where Google is heading with AI-native dev tools, Early adopters who like experimental tooling
Platforms
web
API
No
Languages
en

Choose OpenAI Codex if:

  • You are Developers who want AI to work more directly on real code tasks
  • You are Teams exploring terminal-first coding agents
  • You are Engineers already invested in OpenAI's ecosystem
  • You want to start free
Read OpenAI Codex review →

Choose Google Antigravity if:

  • You are Developers exploring next-generation agentic IDE workflows
  • You are Teams watching where Google is heading with AI-native dev tools
  • You are Early adopters who like experimental tooling
  • You want to start free
Read Google Antigravity review →

FAQ

What is the difference between OpenAI Codex and Google Antigravity?
OpenAI Codex is openai's coding agent experience for writing, editing, understanding, and operating on codebases with a more agentic workflow. Google Antigravity is google's experimental agent-first ide concept aimed at automating more of the software-development cycle, including browser-assisted work.
Which is cheaper, OpenAI Codex or Google Antigravity?
OpenAI Codex: Access depends on OpenAI product plan or API usage; advanced agent access is concentrated in higher tiers and previews.. Google Antigravity: Preview/experimental access; no standalone commercial pricing published.. OpenAI Codex has a free plan. Google Antigravity has a free plan.
Who is OpenAI Codex best for?
OpenAI Codex is best for Developers who want AI to work more directly on real code tasks, Teams exploring terminal-first coding agents, Engineers already invested in OpenAI's ecosystem.
Who is Google Antigravity best for?
Google Antigravity is best for Developers exploring next-generation agentic IDE workflows, Teams watching where Google is heading with AI-native dev tools, Early adopters who like experimental tooling.