Gemini 3.1 Flash-Lite API
About
Build advanced reasoning agents with Gemini 3.1 Flash-Lite, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.25/1M input and $1.50/1M output tokens, native tool calling support. Access Gemini 3.1 Flash-Lite via the Merge Gateway API with up to 66K output tokens.
Capabilities
Input Modalities
textimageaudiopdf
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
66K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.25
Output
$1.50
Caching (per 1M tokens)
Read
$0.03
Audio (per 1M tokens)
Input
$0.50
Frequently Asked Questions
Gemini 3.1 Flash-Lite by Merge Gateway costs $0.25 per 1M input tokens and $1.50 per 1M output tokens. Cached reads cost $0.03 per 1M tokens.
Model Details
ID
google/gemini-3.1-flash-lite
Provider
Merge GatewayFamily
gemini-flash-lite
Release Date
May 7, 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