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Google Launches Antigravity, an Agent-First IDE Built on Gemini 3, in Free Public Preview

The preview showcases an agent‑orchestrated approach with Artifacts for verification.

Overview

  • Antigravity lets autonomous agents plan, write, run, test, and verify software by operating across the editor, terminal, and an integrated browser.
  • The platform ships with two surfaces: a familiar Editor view and a Manager view that functions as mission control for spawning and coordinating multiple agents.
  • Google supports model choice inside Antigravity, including Gemini 3 Pro, Anthropic’s Claude Sonnet 4.5, and OpenAI’s GPT‑OSS, subject to capacity.
  • The system emphasizes trust through Artifacts such as task lists, implementation plans, screenshots, and browser recordings, with asynchronous comments and a knowledge base that lets agents learn from past work.
  • The public preview is free on Windows, macOS, and Linux with rate limits that refresh every five hours; early users report credits depleting quickly and Dataconomy notes terms warning of known security limitations, while some outlets report VS Code‑based compatibility and Open VSX extensions.