Google has developed a new 'agent-first' coding tool named Antigravity, specifically for Gemini 3. The tool, currently available for a free preview, provides direct access to the editor, terminal, and browser for multiple agents, and is also designed to report on its own work, producing evidence of completed tasks.
Google’s Antigravity Gemini 3 optimized, agentic coding tool
https://www.theverge.com/news/822833/google-antigravity-ide-coding-agent-gemini-3-pro