Your Google AI Studio key is pre-loaded in your encrypted Cloud Vault and synced across Mac & iPhone. Note: Consumer
Google AI Ultra subscriptions apply to the Gemini web app, whereas Google AI Studio API keys (
AQ...) use Google Cloud billing (
AI Studio Plan Settings). On Auto Cascade,
Gemini 3.5 Flash &
Gemini 3.6 Flash respond in ~2 seconds;
Gemini 4 Argon activates automatically once a GCP billing account is linked to your AI Studio project: