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Side-by-side comparison

Google Antigravity vs OpenAI Codex

Compare pricing, features, integrations, and use cases without juggling tabs. One canonical profile for each tool — researched side by side.

Google Antigravity logo

AI Agents

Google Antigravity

Google’s agent-first coding platform: manager, IDE, CLI, and SDK on Gemini.

4.5640 reviews
OpenAI Codex logo

AI Agents

OpenAI Codex

OpenAI’s software-engineering agent in ChatGPT, the IDE, the terminal, and a desktop app.

4.62,100 reviews

At a glance

Pricing model

freemium

freemium

Starting price

Free preview

Included with ChatGPT

Rating

4.5 / 5

4.6 / 5

Category

AI Agents

AI Agents

Features

Parallel local agent manager

Projects and scheduled messages

Agentic IDE with artifacts

Terminal-first CLI and subagents

Python SDK on the Antigravity harness

Gemini 3.8 Flash workflows

ChatGPT command center for parallel agents

IDE extension for VS Code, Cursor, and Devin Desktop

Terminal agent

Desktop app with worktrees and cloud environments

GitHub review comments and PR workflows

Integrations

Gemini

Google AI Studio

Gemini Enterprise

Android Studio

ChatGPT

VS Code

Cursor

GitHub

JetBrains

Best for

Multi-agent coding sessions

Gemini-first engineering teams

Browser-in-the-loop frontend work

Evaluating agent harnesses

Delegated coding tasks

Parallel agents on one repo

PR review and comment resolution

OpenAI-standardized engineering stacks

Google Antigravity pricing

For developers

No charge (stated)

  • Agent manager
  • Antigravity IDE
  • CLI and SDK

For organizations

See website

  • Team workflows
  • Gemini Enterprise path
  • Confirm current terms

OpenAI Codex pricing

ChatGPT plans

Included

  • Codex in ChatGPT
  • IDE extension credits on the plan
  • Terminal access with the same account

API key

Usage-based

  • Sign in with an API key
  • Confirm current rates