Google Antigravity

Google Antigravity is an agent-first integrated development environment (IDE) built by Google. It was announced on November 18, 2025, alongside the release of Gemini 3, and is built as a heavily modified fork of Visual Studio Code. It solves the problem of constant context-switching by letting autonomous agents plan, execute, and verify complex tasks across the editor, terminal, and browser.

Features

• Agent Manager: A central panel that tracks active and past agent tasks, including descriptions, plans, progress, and status indicators, replacing the traditional chat sidebar model.
• Browser Subagent: A specialized subagent that controls a Chrome browser via clicking, scrolling, typing, DOM capture, screenshots, and video recording to test live applications automatically.
• Artifact System: Agents generate structured, verifiable records of every major task, including task lists, implementation plans, and screenshots, giving developers a transparent proof-of-work trail.
• Multi-Model Support: Antigravity supports multiple AI models, including Gemini 3.1 Pro, Gemini 3 Flash, Claude Sonnet 4.6, Claude Opus 4.6, and an open-source OpenAI variant (GPT-OSS-120B).
• Skills & MCP Integration: Skills are directory-based knowledge packages that load only when needed, while Model Context Protocol (MCP) support connects agents to external tools, local databases, and remote services securely.

Use Cases

• For Solo Developers: Delegate complex, multi-tool tasks to the agent, which writes code, launches the app in the terminal, and verifies it in the browser without constant human input.
• For Frontend Engineers: Use "Vibe Coding" to prototype entire frontend layouts and backend architectures from a single natural-language prompt, cutting time between idea and execution.
• For QA & Testing Teams: Direct a Browser Agent to open a Chrome window, interact with the live app, record a video walkthrough, and capture screenshots of any errors found automatically.
• For Enterprise Dev Teams: Orchestrate multiple AI agents working simultaneously on the same project, managing tasks and tracking progress from a centralized Agent Manager dashboard.

Google Antigravity is a free, cross-platform agentic IDE that lets AI agents autonomously plan, execute, and verify software tasks across the editor, terminal, and browser. It shows real promise but remains rough in areas like stability and resource usage, making it more of an exploratory tool than a full production replacement at this stage.