Request allowlist access for Gemini 3.1 Flash-Lite Preview in Vertex AI

Hello Google AI Team,

I would like to request allowlist access for my Vertex AI project to enable Gemini 3.1 Flash-Lite Preview model.

Model needed:

  • gemini-3.1-flash-lite-preview

Project Information:

  • Region: asia-northeast3 (or us-central1 if APAC region not available)

Use case:

  • Mobile app launching in 4 languages (Korean, Japanese, Chinese, English)
  • AI companion app with character-driven conversational features
  • Real-time chat with personality system, photo analysis, and time-aware responses
  • Currently in beta testing phase, planning Google Play launch

Why we need Vertex AI access:

  • Currently using AI Studio API key (direct billing)
  • Have $1000 GCP credits available (1 year)
  • Want to migrate to Vertex AI to use credits properly
  • Would prefer to keep using gemini-3.1-flash-lite-preview as our personality system has been extensively tuned for this specific model

Current Status:

  • We confirmed Gemini 3.1 Flash-Lite Preview is listed in Vertex AI Model Garden
  • However, attempting to use the model returns access denied / 404 errors
  • Need allowlist enrollment to proceed

Production Environment: Required
Expected daily usage: Low to moderate (currently ~$0.30/day in beta)
Expected post-launch usage: Moderate (4-language consumer app)

Thank you for your consideration.