Gemini 3.1 Flash Lite

Ultra-lightweight Gemini 3.1 Flash Lite for high-volume, cost-sensitive tasks.

gemini-3.1-flash-lite
STABLEGet StartedView uptime
1,048,576 context
Released May 8, 2026
Starting at $0.25/M input tokens
Starting at $1.50/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
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All Providers for Gemini 3.1 Flash Lite

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

Google AI Studio
Context: 1.0M
Input
$0.25
/M tokens
Cache Read
$0.025
/M tokens
Output
$1.5
/M tokens
Cache Write 5m
$0.0833
/M tokens
Cache Write 1h
$0.0833
/M tokens
+ $0.014 per search
Get Started
Google Vertex AI
Context: 1.0M
Input
$0.25
/M tokens
Cache Read
$0.025
/M tokens
Output
$1.5
/M tokens
Cache Write 5m
$0.0833
/M tokens
Cache Write 1h
$0.0833
/M tokens
+ $0.014 per search
Get Started

Frequently asked questions

What is Gemini 3.1 Flash Lite?

Ultra-lightweight Gemini 3.1 Flash Lite for high-volume, cost-sensitive tasks. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Gemini 3.1 Flash Lite cost?

Pricing for Gemini 3.1 Flash Lite on LLM Gateway starts at $0.25 per million input tokens and $1.50 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite supports a context window of up to 1,048,576 tokens on its largest provider deployment.

Which providers serve Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite is served by Google AI Studio, Google Vertex AI through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Gemini 3.1 Flash Lite support tool calling and structured outputs?

Yes. Gemini 3.1 Flash Lite supports both tool (function) calling and structured JSON outputs through LLM Gateway.

When was Gemini 3.1 Flash Lite released?

Gemini 3.1 Flash Lite was released on May 8, 2026.