Gabrielle-The StrategistGabrielle gemini-3.5-flashGabrielle gemini-3.5-flash (OpenAI-compatible chat)Gabrielle gemini-3.5-flash (OpenAI-compatible chat) POST /v1/chat/completions Generate a model reply from chat context. Request Responses200400401429Successfully generated replyInvalid request parametersUnauthorizedRate limit exceeded