Nano Banana 2.1
Summary
Nano Banana 2.1 is a proprietary language model from Google DeepMind, released on 6 Oct 2026. It accepts images and text and generates text and images, with a 66K-token context window and up to 59K output tokens per response. As of 17 Oct 2026, the lowest listed API price is $1.50 per million input tokens and $7.50 per million output tokens (OpenRouter), across 3 providers we track.
Image model for prompt-driven generation, editing, and visual design workflows
Last verified 17 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Google DeepMind |
|---|---|
| Release date | 6 Oct 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 66K (65,536 tokens) [models.dev] |
| Max output | 59K tokens [models.dev] |
| Input | Images and text [models.dev] |
| Output | Text and images [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
Nano Banana 2.1 API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| Google Vertex AI gemini-nano-banana-2.1 | $1.50 | $30 | $0.15 | 131K | models.dev, 17 Oct 2026 |
| OpenRouter google/gemini-nano-banana-2.1 | $1.50 | $7.50 | – | 66K | OpenRouter, 17 Oct 2026 |
| Vercel AI Gateway google/gemini-nano-banana-2.1 | $1.50 | $7.50 | $0.15 | 131K | models.dev, 17 Oct 2026 |
Frequently asked questions
What is the context window of Nano Banana 2.1?
Nano Banana 2.1 has a context window of 65,536 tokens (66K) and can generate up to 58,982 tokens in a single response, according to models.dev.
How much does the Nano Banana 2.1 API cost?
Nano Banana 2.1 is listed from $1.50 per million input tokens and $7.50 per million output tokens (OpenRouter). Prices last verified 17 Oct 2026.
Is Nano Banana 2.1 open source?
No. Nano Banana 2.1 is a proprietary model; Google DeepMind has not released its weights. It is available through APIs including Google Vertex AI, OpenRouter, Vercel AI Gateway.
When was Nano Banana 2.1 released?
Google DeepMind released Nano Banana 2.1 on 6 Oct 2026, according to models.dev.
Which providers offer Nano Banana 2.1?
We track Nano Banana 2.1 on 3 providers: Google Vertex AI, OpenRouter, Vercel AI Gateway.
Change history
- Now listed on OpenRouter
- Added to the directory
- Now listed on Vercel AI Gateway
- Now listed on Google Vertex AI
Sources
- https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/google/gemini-nano-banana-2.1.toml
- https://github.com/sst/models.dev/blob/dev/providers/google-vertex/models/gemini-nano-banana-2.1.toml
- https://openrouter.ai/google/gemini-nano-banana-2.1
- https://github.com/sst/models.dev/blob/dev/providers/vercel/models/google/gemini-nano-banana-2.1.toml