Gemini-proClosed Weights

Gemini 3.1 Pro Preview

gemini-3.1-pro-preview

Best Input Price

$2.00 / 1M

Reasoning-first Gemini preview for agentic coding and complex problem solving

Context Window

1,048,576 tokens

Reasoning

Supported

Tool Calling

Supported

Released

2026-02-19

Inference Providers (3)

Provider	Model ID	Context	Input / 1M	Output / 1M	Action
Google	gemini-3.1-pro-preview	1,048,576	$2.00	$12.00	Docs ↗
AIHubMix	gemini-3.1-pro-preview	1,048,576	$2.00	$12.00	Docs ↗
Vivgrid	gemini-3.1-pro-preview	1,048,576	$2.00	$12.00	Docs ↗