Nano Banana 2.1

Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization, mask- and ink-based editing, and factual accuracy, and renders photorealistic skin tones, detailed materials, lighting, and coherent backgrounds. It accepts text and image inputs, returns images with optional text, and supports 1K, 2K, and 4K output plus extended aspect ratios via the image_config API Parameter.

ChatGoogle66k tokens$1.6351 / $8.1754 · 1M

google/gemini-nano-banana-2.1

Context
66k tokens
Completion cap
58,982
Tools
Yes
JSON
Yes
Released
2026-10-06

Call it from Geek Hub

Same OpenAI SDK. Change the base URL and the model id.

curl https://api.geekhub.mx/v1/chat/completions \
  -H "Authorization: Bearer $GEEKHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-nano-banana-2.1",
    "messages": [{"role": "user", "content": "Hola"}]
  }'
Get an API key

Frequently asked questions

What is Nano Banana 2.1?
Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization, mask- and ink-based editing, and factual accuracy, and renders photorealistic skin tones, detailed materials, lighting, and coherent backgrounds. It accepts text and image inputs, returns images with optional text, and supports 1K, 2K, and 4K output plus extended aspect ratios via the image_config API Parameter. Nano Banana 2.1 runs on the Geek Hub API (OpenAI-compatible). Model id: google/gemini-nano-banana-2.1.
Is Nano Banana 2.1 free?
No. Input is $1.6351 per 1M tokens and output is $8.1754 per 1M tokens on Geek Hub (markup included).
What is the context length of Nano Banana 2.1?
Nano Banana 2.1 has a 66k tokens context window. It supports up to 58,982 completion tokens.
Does Nano Banana 2.1 support tool calling and structured outputs?
Nano Banana 2.1 accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.
When was Nano Banana 2.1 released?
Nano Banana 2.1 was released on 2026-10-06.

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