Google · MultimodalReleased 2026-02-26

gemini-3.1-flash-image

google/gemini-3.1-flash-image-preview id

Gemini 3.1 Flash Image is optimized for image understanding and generation and offers a balance of price and performance.

Web searchChatReasoningFastPreview
Type
Use gemini-3.1-flash-image
# Drop-in OpenAI-compatible client
$ import { generateText } from 'ai'
$
$ const { text } = await generateText({
$ model: 'google/gemini-3.1-flash-image-preview',
$ baseURL: 'https://synapse.garden/api/v1',
$ apiKey: process.env.MG_KEY,
$ prompt: 'Why is the sky blue?',
$ })
131.1K
CONTEXT WINDOW
32.8K
MAX OUTPUT
$0.550/M
INPUT · PER M
$3.30/M
OUTPUT · PER M
PRICING

List prices, every modality.

RatePer million tokens · USD
Input$0.550/M
Output$3.30/M
Cache read$0.055/M
Honest list pricesHow we calculate prices
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FAQ · GEMINI-3.1-FLASH-IMAGE

Frequently asked

01 / 04

How do I call gemini-3.1-flash-image from my code?

Use the OpenAI or Anthropic SDK and point baseURL at https://synapse.garden/api/v1. Set model: ‘google/gemini-3.1-flash-image-preview and supply your Synapse Garden API key. No code changes beyond the base URL.

02 / 04

How much does gemini-3.1-flash-image cost?

Input: $0.550/M per million tokens. Output: $3.30/M per million tokens. The free tier includes a million tokens every month at no cost.

03 / 04

What's the context window for gemini-3.1-flash-image?

gemini-3.1-flash-image supports a context window of 131.1K tokens, with a maximum output of 32.8K tokens.

04 / 04

Do I need a separate Anthropic or OpenAI account?

No. Synapse Garden is the single API surface — one key gives you OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Cohere, and more. Billing, rate limits, and audit logs are unified.

READY

Try gemini-3.1-flash-image in three minutes.

Sign up, create a key, drop our base URL into your existing client. The free tier includes a million tokens every month — no credit card.