Nano Banana 2.1 (Gemini Nano Banana 2.1)
Image generation
gemini-nano-banana-2.1
$1.50 in, $7.50 out per 1M tokens
Nano Banana (Gemini 2.5 Flash Image)
The first “Nano Banana” model. Migrate to gemini-3.1-flash-image now.
Model idgemini-2.5-flash-image
Price$0.30 in per 1M tokens; $0.039 per image
Checked29 September 2026
Where it stands
26newer image generation models since its release
- GPT Image 2.6 Flare4 Nov 2026
- GPT Image 2.6 Sunburst4 Nov 2026
- MOSS-Image16 Oct 2026
- FLUX 3 Image Klein15 Oct 2026
- Krea 3 (Fast / High / Ultra modes)15 Oct 2026
The 5 newest are listed. All image generation models
- Before it from Google
- Imagen 424 Jun 2025
- After it from Google
- Nano Banana Pro (Gemini 3 Pro Image)20 Nov 2025
- Weights
- Closed weights; access is hosted only.
How to call it
3 ways to use Nano Banana (Gemini 2.5 Flash Image), with the model id each provider expects.
| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Gemini API | gemini-2.5-flash-image |
https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash-image:generateContent |
ai.google.dev |
| Google Cloud Gemini Enterprise Agent Platform (Vertex AI) | docs.cloud.google.com | ||
| OpenRouter | google/gemini-2.5-flash-image |
Pricing
| Input | $0.30 per 1M tokens |
|---|---|
| Per image | $0.039 |
As published: “input per 1M tokens; image output $0.039 per image”.
Source: ai.google.dev, checked 29 September 2026.
Specs
- Input
- Text and images
- Output
- Images and text
- Context window
- Not published
- Max output
- Not published
- Open weights
- No
- Licence
- Proprietary
- Released
- 2 October 2025
- Status
- Deprecated
- Type
- Image generation
What stands out
What its maker marketed at launch, and what people found later, each with its source.
Conversational image editing
The original ‘Nano Banana’: multi-turn natural-language image editing with character consistency, which made Gemini image editing go viral in 2025.
Multi-image fusion and targeted edits
Blend multiple images, keep characters consistent, and do prompt-based local edits (background blur, object removal, colorization); SynthID on all outputs.
Notes
Stable GA 2025-10-02 (preview 2025-08-26); SHUTS DOWN 2026-10-02, replacement gemini-3.1-flash-image.
Sources: models, pricing, deprecations.