Gemini 2.5 Flash Image (Nano Banana) API

google/gemini-2.5-flash-image
Gemini 2.
Output
$5.85 / 1M tokens
Released
Feb 23, 2026

How to use Gemini 2.5 Flash Image (Nano Banana) API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to google/gemini-2.5-flash-image.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/images/generations",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "google/gemini-2.5-flash-image",
      "prompt": "A cat holding a sign that says hello"
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/images/generations", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "google/gemini-2.5-flash-image",
    "prompt": "A cat holding a sign that says hello"
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/images/generations \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"google/gemini-2.5-flash-image","prompt":"A cat holding a sign that says hello"}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Gemini 2.5 Flash Image (Nano Banana) API Pricing

TypePrice
Input
$0.702 / 1M tokens
Output
$5.85 / 1M tokens
Cached input
$0.0742716 / 1M tokens

Gemini 2.5 Flash Image (Nano Banana) Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Text-to-Image Arena
1154 (Elo)
Human preference Elo from blind pairwise comparisons of generated images, measured independently by Artificial AnalysisSourceJuly 12, 2026

Gemini 2.5 Flash Image (Nano Banana) vs other models

ModelInputOutputContextBest for
$0.702 / 1M tokens
$5.85 / 1M tokens
Image generation at scale
$0.325 / 1M tokens
$78 / 1M tokens
128K tokens
Image generation at scale
$6.5 / 1M tokens
$39 / 1M tokens
Image generation at scale
Image generation at scale
$0.0195 / MP (variable)
Image generation at scale

Frequently asked questions

Gemini 2.5 Flash Image (Nano Banana) takes image, text as input and returns image.

Gemini 2.5 Flash Image (Nano Banana) became available on February 23, 2026.

Gemini 2.5 Flash Image (Nano Banana) is priced at $5.85 / 1M tokens.

Gemini 2.5 Flash Image (Nano Banana) is billed per generation — a fixed charge per output rather than by prompt length.

Yes, Gemini 2.5 Flash Image (Nano Banana) accepts image input as well as a text prompt.

Gemini 2.5 Flash Image (Nano Banana) was built by Google.

Send a request to https://api.aimlapi.com/v1/images/generations with google/gemini-2.5-flash-image as the model id.

Yes. Gemini 2.5 Flash Image (Nano Banana) is served through AI/ML API, so the same key and endpoint format used for other models applies.

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