Gemini 3.1 Flash Lite (Preview) API
About
Integrate multimodal vision capabilities using Gemini 3.1 Flash Lite (Preview), designed to process both text and images seamlessly. 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 (Preview) via the LLM Gateway API with up to 66K output tokens.
Capabilities
Input Modalities
textimage
Output Modalities
text
Reasoning
No
Structured Output
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
Frequently Asked Questions
Gemini 3.1 Flash Lite (Preview) by LLM 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
gemini-3.1-flash-lite-preview
Provider
LLM GatewayFamily
gemini
Release Date
Mar 3, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
LLMGATEWAY_API_KEY
API Base URL
https://api.llmgateway.io/v1