Nano Banana (Gemini 2.5 Flash Image)
Google Nano Banana (Gemini 2.5 Flash Image) — pricing, 33k context window, API cost calculator and alternatives.
By Google
Specs
- Provider
- Slug
- google/gemini-2-5-flash-image
- Capabilities
- vision, json_mode
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-08 17:08 UTC
Pricing history
Tracking Nano Banana (Gemini 2.5 Flash Image) pricing since 2026-05-08. We'll plot the chart here once it changes.
Quickstart — call Nano Banana (Gemini 2.5 Flash Image) from your app
curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-2-5-flash-image:generateContent" \
-H "Content-Type: application/json" \
-H "x-goog-api-key: $GOOGLE_API_KEY" \
-d '{
"contents": [{"parts": [{"text": "Hello!"}]}]
}'Official docs: https://ai.google.dev/api/generate-content
# pip install google-genai
from google import genai
client = genai.Client() # reads GOOGLE_API_KEY from env
resp = client.models.generate_content(
model="gemini-2-5-flash-image",
contents="Hello!",
)
print(resp.text)Official docs: https://ai.google.dev/api/generate-content
// npm install @google/genai
import { GoogleGenAI } from "@google/genai";
const ai = new GoogleGenAI({ apiKey: process.env.GOOGLE_API_KEY });
const resp = await ai.models.generateContent({
model: "gemini-2-5-flash-image",
contents: "Hello!",
});
console.log(resp.text);Official docs: https://ai.google.dev/api/generate-content
Related models
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Frequently asked questions
What is Nano Banana (Gemini 2.5 Flash Image)?
Nano Banana (Gemini 2.5 Flash Image) is a large language model API from Google with a 33k-token context window. It costs $0.3 per 1M input tokens and $2.5 per 1M output tokens.
How much does Nano Banana (Gemini 2.5 Flash Image) cost?
Nano Banana (Gemini 2.5 Flash Image) is priced at $0.3 per 1M input tokens and $2.5 per 1M output tokens via the Google API. A 50/50 input/output workload of 1M total tokens costs about $1.4.
What is the context window of Nano Banana (Gemini 2.5 Flash Image)?
Nano Banana (Gemini 2.5 Flash Image) supports up to 33k tokens of context per request — roughly 66 pages of English text or 4096 lines of code at a typical density.
Does Nano Banana (Gemini 2.5 Flash Image) support vision, tool use, or JSON mode?
Nano Banana (Gemini 2.5 Flash Image) supports image input (vision) and structured JSON mode. It does not support tool/function calling.
Who makes Nano Banana (Gemini 2.5 Flash Image)?
Nano Banana (Gemini 2.5 Flash Image) is built and operated by Google. Pricing, context window, and capabilities on this page are refreshed nightly from Google's public catalog.
Can I self-host Nano Banana (Gemini 2.5 Flash Image)?
Nano Banana (Gemini 2.5 Flash Image) is API-only — its weights are not publicly distributed by Google, so it cannot be self-hosted today.