Models

Reasoning Model

For the core reasoning model, Antigravity offers leading frontier models. Availability depends on your plan:

Model	Free & Google AI Plus	Google AI Pro	Google AI Ultra	Enterprise
Gemini 3.8 Flash	✅	✅	✅	✅
Gemini 3.7 Flash	✅	✅	✅	✅
Gemini 3.6 Flash	✅	✅	✅	✅
Gemini 3.1 Pro	✅	✅	✅	✅
Claude Sonnet 4.6 (thinking)	✅	✅	✅	❌
Claude Opus 4.6 (thinking)	✅	✅	✅	❌
GPT-OSS-120b	✅	✅	✅	❌

Users can select which reasoning model they want to use within the model selector drop-down under the conversation prompt box:

Model

Gemini 3.8 FlashMedium

Fast

LowMediumHigh

Gemini 3.7 FlashMedium

Fast

LowMedium