Google: Gemini 3.5 Flash

proprietary

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed.

Context
1.0M
Max output
66K
Input price
$1.5/1M tokens
Output price
$9/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Model IDgoogle/gemini-3.5-flash
Provider OpenRouter
Creator Google AI
Familygemini-3.5
Licenseproprietary
Statusactive
Typechat
Input modalitiestext, image, video, audio
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1.0M tokens
Max input—
Max output66K tokens
Reasoning tokens—
Knowledge cutoff
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$1.5
Output
$9
Cache write
—
Cache read
$0.15
Batch in
—
Batch out
—

Family Comparison: gemini-3.5

ModelContextMax outPricing
Google: Gemini 3.5 Flash Lite (batch)1.0M66K$0.15$1.25
Google: Gemini 3.5 Flash Lite1.0M66K$0.3$2.5
Google: Gemini 3.5 Flash (batch)1.0M66K$0.75$4.5
Google: Gemini 3.5 Flash1.0M66K$1.5$9

API

GET/v1/models/openrouter/google/gemini-3.5-flash