Gemini API RLS notes: 3.7-flash now routed to 3.8-flash, 3.5->3.6 (ai.google.dev)

The Gemini API has undergone significant updates as of October 2026, including the deprecation of older versions like Gemini 3.7 Flash and 3.5 Flash, which have been replaced by Gemini 3.8 Flash and 3.6 Flash respectively. Users are advised to transition their requests to the newer models for continued support and access to improved functionalities. Notably, the advanced audio models, Gemini 3.8 Flash TTS and Flash-Lite TTS, have also been released, offering enhanced voice fidelity and efficiency for diverse applications. These updates are crucial for the AI/ML community as they reflect a commitment to continual improvement in model capabilities, including image generation, text-to-speech, and real-time audio processing. The Gemini Nano Banana 2.1 model emphasizes high-efficiency image generation with notable enhancements in quality and prompt adherence, further broadening the creative possibilities for developers. With an eye towards future-proofing, these updates not only help maintain system performance but also encourage developers to leverage the latest technologies in their projects for better outcomes and user experiences.