Availability

Publicly available

Provider

Google

Country

USA

Family

Gemini

Status

Preview

Weights

Closed

Release date

2026-02-19T00:00:00.000Z

Modalities

text (both)

Input per million tokens

2 USD

Output per million tokens

12 USD

Price effective from

2026-09-10T00:00:00.000Z

Knowledge cutoff

2025-01-01T00:00:00.000Z

Aliases

gemini-3.1-pro-preview, gemini-3.1-pro-preview-customtools

Capabilities

• tool_use
• structured_output
• reasoning · primary

Traits

• context_window1,048,576 tokens
• max_output_tokens65,536 tokens