The Gemini API now lists id antigravity-preview-09-2026. It is not a new Pro/Flash model but the Antigravity managed-agent endpoint: Linux sandbox with code execution, files, and browser, defaulting to Gemini 3.8 Flash. Google-affiliated Philipp Schmid confirmed it is the Gemini API agent harness, with more details expected later this week.

Key Takeaways

  • ✓API id antigravity-preview-09-2026 is the Antigravity managed-agent endpoint, not a new Pro/Flash model.
  • ✓Endpoint offers Linux sandbox, code execution, files, and browser; default model is Gemini 3.8 Flash.
  • ✓Google confirmed it as the Gemini API agent harness, with more details later this week.
🧭

Turn your technical choice into a development budget

Compare 40 dev plans & simulate token costs vs $20/mo subscriptions

Action HubReady to adopt this in production?

Benchmark side-by-side against alternatives, or calculate monthly token cost vs subscription break-even.

Up NextGemini 4 Argon is generally available: gemini-4-argon ships in the Gemini API and AI Studio with a 1M unified window, long decode and $2/$10 intro pricing
Read Now→