Google · MultimodalReleased 2026-05-19

gemini-3.5-flash

google/gemini-3.5-flash id

Google's latest model, highly optimized for coding proficiency and parallel agentic execution loops. Defaults to medium thinking effort for faster and more cost-efficient responses.

ReasoningTool useChatWeb search

Type

Use gemini-3.5-flash

# Drop-in OpenAI-compatible client
$ import { generateText } from 'ai'
$ 
$ const { text } = await generateText({
$   model: 'google/gemini-3.5-flash',
$   baseURL: 'https://synapse.garden/api/v1',
$   apiKey: process.env.MG_KEY,
$   prompt: 'Why is the sky blue?',
$ })

CONTEXT WINDOW

64K

MAX OUTPUT

$1.65/M

INPUT · PER M

$9.90/M

OUTPUT · PER M

PRICING

List prices, every modality.

Rate	Per million tokens · USD
Input	$1.65/M
Output	$9.90/M
Cache read	$0.165/M

Honest list pricesHow we calculate prices

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Model

Input

Output

Context

Type

FAQ · GEMINI-3.5-FLASH

Frequently asked

01 / 04

How do I call gemini-3.5-flash from my code?

Use the OpenAI or Anthropic SDK and point baseURL at https://synapse.garden/api/v1. Set model: ‘google/gemini-3.5-flash’ and supply your Synapse Garden API key. No code changes beyond the base URL.

02 / 04

How much does gemini-3.5-flash cost?

Input: $1.65/M per million tokens. Output: $9.90/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-3.5-flash?

gemini-3.5-flash supports a context window of 1M tokens, with a maximum output of 64K 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-3.5-flash 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.

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