As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/gemini-2-5-flash-image/

# Nano Banana (Gemini 2.5 Flash Image)

Google DeepMind, Gemini Image family. Status: deprecated. Type: image generation. Released: 2025-10-02.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Gemini API | `gemini-2.5-flash-image` | https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash-image:generateContent | https://ai.google.dev/gemini-api/docs/models |
| Google Cloud Gemini Enterprise Agent Platform (Vertex AI) |  |  | https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/gemini/2-5-flash-image |
| OpenRouter | `google/gemini-2.5-flash-image` |  |  |

## Pricing

- Input: $0.30 per 1M tokens
- Per image: $0.039
- Unit as published: input per 1M tokens; image output $0.039 per image
- Source: https://ai.google.dev/gemini-api/docs/pricing
- Last checked: 2026-09-29

## Specs

- Input: text, image
- Output: image, text
- Context window: not published
- Max output: not published
- Open weights: no
- Licence: proprietary

## Where it stands

- Newer image generation models in the registry since its release: 26. The 5 newest:
  - GPT Image 2.6 Flare (2026-11-04) https://postcutoff.com/m/gpt-image-2-6-flare/
  - GPT Image 2.6 Sunburst (2026-11-04) https://postcutoff.com/m/gpt-image-2-6-sunburst/
  - MOSS-Image (2026-10-16) https://postcutoff.com/m/moss-image/
  - FLUX 3 Image Klein (2026-10-15) https://postcutoff.com/m/flux-3-image-klein/
  - Krea 3 (Fast / High / Ultra modes) (2026-10-15) https://postcutoff.com/m/krea-3/
- Before it from Google: Imagen 4 (2025-06-24) https://postcutoff.com/m/imagen-4/
- After it from Google: Nano Banana Pro (Gemini 3 Pro Image) (2025-11-20) https://postcutoff.com/m/gemini-3-pro-image/
- Closed weights; access is hosted only.

## What stands out

- 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. Source: https://ai.google.dev/gemini-api/docs/models
- 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. Source: https://developers.googleblog.com/en/introducing-gemini-2-5-flash-image/

## Notes

Stable GA 2025-10-02 (preview 2025-08-26); SHUTS DOWN 2026-10-02, replacement gemini-3.1-flash-image.

The first "Nano Banana" model. Migrate to `gemini-3.1-flash-image` now.

Sources: [models](https://ai.google.dev/gemini-api/docs/models), [pricing](https://ai.google.dev/gemini-api/docs/pricing), [deprecations](https://ai.google.dev/gemini-api/docs/deprecations).

Model page: https://postcutoff.com/m/gemini-2-5-flash-image/