Gemini 3.1 Pro

Closed Preview Multimodal gemini-3-1-pro-preview

Upgraded Gemini 3 Pro with stronger reasoning and agentic coding; served as a preview model.

Released
Feb 19, 2026
Context window
1M tokens
Max output
65.5K tokens
Parameters
Not disclosed
Input price
$2.00 per 1M
Output price
$12.00 per 1M

Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.

Pricing

Launch priceFeb 19, 2026
$2.00 in / $12.00 out
Current price since Feb 19, 2026
$2.00 in / $12.00 out
Cached input $0.20 per 1M

Specifications

Developer
Google
Model type
Multimodal
Architecture
Not disclosed
Parameters
Not disclosed
Input
Text Image Audio Video
Output
Text
Knowledge cutoff
Jan 2025
License
Proprietary
API access
First-party API
Capabilities
Agentic Coding Flagship Long context Reasoning Vision