2026-10-06 # LiteLLM adds day-0 support for Gemini's Nano Banana 2.1 model LiteLLM enabled gemini-nano-banana-2.1 through Google AI Studio and Vertex AI on Oct 6, 2026, per docs.litellm.ai, ahead of Google's Oct 29, 2026 shutdown of the prior Nano Banana 2 model (gemini-3.1-flash-image); pricing is listed at $30/MTok image output, $1.50/MTok text input and $7.50/MTok text output. ## What else the source says - Nano Banana 2 (gemini-3.1-flash-image) shuts down Oct 29, 2026, per Google - New model accepts up to 14 reference images - Pricing requires LiteLLM proxy v1.76.0 or above to load via Admin UI Source. [docs.litellm.ai](https://docs.litellm.ai/blog/nano_banana_2_1) ## TRACE - First seen Oct 6, 2026, 9:31 PM PT - Published Oct 7, 2026, 12:36 AM PT, 3.1 h after first seen - Source docs.litellm.ai (Company source) - Checks Checked automatically [SOTO home](https://signalsoftomorrow.com/)