Model pricing

Gemini 3.1 Pro Preview API pricing

Get Gemini 3.1 Pro Preview API rates: $2/MTok input, $12/MTok output. Compare cache pricing, context limits, and API capabilities.

Input / 1M tokens $2

Output / 1M tokens $12

Cache read / 1M $0.2

Context window 1M

When to use Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview is listed from gemini with prompt caching, function calling, vision. Use this page to estimate prompt cost and compare it against alternatives before routing production workloads.

source_key: gemini/gemini-3.1-pro-preview