All Gemini models fail in Antigravity with FAILED_PRECONDITION: User location is not supported for the API use AI Studio works normally

Google Antigravity
1

Environment

  • Google AI Pro account
  • US IP (AWS Oregon)
  • Google AI Studio works normally
  • Same account
  • Same IP

Problem

All Gemini models in Antigravity fail immediately.

Claude works normally.

GPT works normally.

Only Gemini fails.

Error

HTTP 400

FAILED_PRECONDITION

User location is not supported for the API use.

Trajectory ID

6726ab62-7e3e-49c5-b80a-adb5bbf326..

Trace ID

0x7a66aa248e51a3..

This appears to be an Antigravity Gemini provider routing issue because AI Studio works correctly with the same account and same IP.