Google Antigravity
I cite Antigravity because it is Google's agent-first IDE launched with Gemini 3 and free in preview, a genuine agentic alternative to Claude Code and Cursor for the Google team in vibecoding-discovery.
Strengths
- Free in public preview, Gemini 3 Pro access without credit card
- Dedicated Manager view, visual orchestration of multiple parallel agents
- Model optionality, Gemini 3, Claude Sonnet 4.5, OpenAI natively supported
- Artifacts (plans, diffs, screenshots, browser recordings) to verify agent reasoning
Limitations
- Public preview, possible bugs, frequent changes, no SLA
- Initial access via Google Cloud Console more complex than a simple installer
- Younger ecosystem than VS Code/Cursor, fewer mature third-party extensions
Best for
- Google-aligned teams or Gemini stack wanting a native agentic IDE for free
- Vibecoding-101 Google team learners, official IDE of module 1
- Developers curious about multi-agent orchestration with a dedicated view (Manager)