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Merge Gateway

Gemini 3.1 Flash Image API

Merge Gateway
About

Build advanced reasoning agents with Gemini 3.1 Flash Image, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.50/1M input and $3.00/1M output tokens. Access Gemini 3.1 Flash Image via the Merge Gateway API with up to 33K output tokens.

Capabilities

Input Modalities

textimage

Output Modalities

textimage
Reasoning
Yes
Structured Output
No
Tool Use
No
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
33K

Tokens

Input Limit
33K

Tokens

Max Output
33K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.50
Output
$3.00
Frequently Asked Questions

Gemini 3.1 Flash Image by Merge Gateway costs $0.50 per 1M input tokens and $3.00 per 1M output tokens.

Model Details
ID
google/gemini-3.1-flash-image
Provider
Merge Gateway
Family
gemini-flash
Release Date
May 28, 2026
Knowledge Cutoff
Jan 1, 2025
API Integration
NPM Package
merge-gateway-ai-sdk-provider
Environment Variables
MERGE_GATEWAY_API_KEY
API Base URL
https://api-gateway.merge.dev/v1/ai-sdk
Documentation