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Google: Gemini 3.1 Flash Lite Preview Pricing & Specs

Released: 2026-03-03
OpenRouter Model IDgoogle/gemini-3.1-flash-lite-preview

Google: Gemini 3.1 Flash Lite Preview is an API-access large language model from Google priced at $0.25/1M input tokens and $1.50/1M output tokens with a 1M context window. Context caching reduces input costs to $0.13/1M for cache reads. Supported capabilities include reasoning and tool calling.

Economics (OpenRouter)

Input / 1M
$0.25
Output / 1M
$1.50
Est. Monthly Cost
$21.82
Based on current usage settings
Cache Read$0.13
Cache Write$0.31

Capabilities (models.dev)

ReasoningSupported
Tool CallSupported
Audio InSupported
Audio OutNo
Modalitymultimodal
Context Window1M

Benchmarks (AA)

Intelligence Index
General reasoning and knowledge
Coding Index
Code generation & debugging
Math Index
Mathematical reasoning
Performance
tokens/sec

* Median output throughput

Model ID: google/gemini-3.1-flash-lite-preview • Data Sources: OpenRouter, Artificial Analysis, models.dev