Question 1

What is Nano Banana (Gemini 2.5 Flash Image)?

Accepted Answer

Nano Banana (Gemini 2.5 Flash Image) is a model from Google Gemini AI, released on Oct 2, 2025. Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation,...

Question 2

How much does Nano Banana (Gemini 2.5 Flash Image) cost?

Accepted Answer

On the Respan gateway, input starts at $0.30 per 1M tokens on OpenRouter, and output starts at $2.50 per 1M tokens on OpenRouter, after gateway discounts.

Question 3

Which providers serve Nano Banana (Gemini 2.5 Flash Image) on Respan?

Accepted Answer

Nano Banana (Gemini 2.5 Flash Image) is served by OpenRouter.

Question 4

What is Nano Banana (Gemini 2.5 Flash Image)'s context window?

Accepted Answer

Nano Banana (Gemini 2.5 Flash Image) accepts up to 33K tokens of context.

Question 5

How do I use Nano Banana (Gemini 2.5 Flash Image) with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "gemini-2.5-flash-image". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

How fast is Nano Banana (Gemini 2.5 Flash Image)?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was OpenRouter at 38 tokens per second, and the lowest response latency was 0.6 seconds on OpenRouter. Speed varies with request size and provider.

Nano Banana (Gemini 2.5 Flash Image)

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