Google: Gemini 3.1 Pro Preview Pricing & Specs
Released: 2026-02-19
OpenRouter Model ID
google/gemini-3.1-pro-previewGoogle: Gemini 3.1 Pro Preview is an API-access large language model from Google priced at $2.00/1M input tokens and $12.00/1M output tokens with a 1M context window. Context caching reduces input costs to $1.00/1M for cache reads. Supported capabilities include reasoning and tool calling.
Economics (OpenRouter)
Input / 1M
$2.00
Output / 1M
$12.00
Est. Monthly Cost
$174.60
Based on current usage settings
Cache Read$1.00
Cache Write$2.50
Capabilities (models.dev)
ReasoningSupported
Tool CallSupported
Audio InSupported
Audio OutNo
Modalitymultimodal
Context Window1M
Benchmarks (AA)
Intelligence Index
General reasoning and knowledge
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Coding Index
Code generation & debugging
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Math Index
Mathematical reasoning
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Performance
—tokens/sec
* Median output throughput
Model ID: google/gemini-3.1-pro-preview • Data Sources: OpenRouter, Artificial Analysis, models.dev