Google DeepMind (Gemini) / gemini-2-5-flash-image

Gemini 2.5 Flash Image

Gemini 2.5 Flash Image generates images for illustration, product visuals, social content, and creative exploration.

Image understandingImage generation

Context

1,000K

tokens

Input

$1.80

/ 1M tokens

Output

$1.80

/ 1M tokens

Quality

#153

Elo 1016

Overview

What this model is good for

Gemini 2.5 Flash Image generates images for illustration, product visuals, social content, and creative exploration.

Model capabilities

Multimodal

Supports mixed text-image input and can use 1,000K tokens of context for longer material.

Tool calling

Can call tools or functions, so product flows can connect model output to backend actions.

Streaming

Supports streamed responses for chat, assistants, and interfaces that need visible incremental output.

Image output

Can generate or return images through media-generation workflows.

Model maker

Model maker and access

This section shows the model maker, SeaLink model ID, protocol, and pricing information.

Google DeepMind (Gemini)

Called through SeaLink's unified account, balance, and OpenAI-compatible API.

Protocol

Media generation API

Base URL: https://test.sealink.io/v1

Pricing

Pricing and cost sense

Prices come from the current model catalog. Simple estimates help users judge whether the model fits production volume.

Input$1.80/ 1M tokens

Output$1.80/ 1M tokens

Light production run

100K input + 25K output

$0.225

Higher-volume run

1M input + 250K output

$2.25

Actual billing follows usage logs and billing records; caching and media pricing depend on the endpoint.

API

Copy into your code

The model page should make it clear which model to copy, which base URL to use, and where to get an API Key.

model

gemini-2-5-flash-image

base_url

https://test.sealink.io/v1

Auth

Bearer $SEALINK_API_KEY

cURL

curl https://test.sealink.io/v1/images/generations \
  -H "Authorization: Bearer $SEALINK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-2-5-flash-image",
    "prompt": "A serene lake at sunset, oil painting style",
    "n": 1,
    "size": "1024x1024"
  }'

Python (OpenAI SDK)

import requests

url = "https://test.sealink.io/v1/images/generations"
headers = {"Authorization": f"Bearer {api_key}"}
payload = {
    "model": "gemini-2-5-flash-image",
    "prompt": "A serene lake at sunset, oil painting style",
    "n": 1,
    "size": "1024x1024",
}
resp = requests.post(url, json=payload, headers=headers)
data = resp.json()
print(data["data"][0]["url"])

Node.js (OpenAI SDK)

const resp = await fetch("https://test.sealink.io/v1/images/generations", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${process.env.SEALINK_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "gemini-2-5-flash-image",
    prompt: "A serene lake at sunset, oil painting style",
    n: 1,
    size: "1024x1024",
  }),
});
const data = await resp.json();
console.log(data.data[0].url);