Gemini 3 Pro Preview API
About
Build advanced reasoning agents with Gemini 3 Pro Preview, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $2.00/1M input and $12.00/1M output tokens, native tool calling support. Access Gemini 3 Pro Preview via the Vercel AI Gateway API with up to 64K output tokens.
Capabilities
Input Modalities
textimagevideoaudiopdf
Output Modalities
text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
64K
Tokens
Pricing
Standard (per 1M tokens)
Input
$2.00
Output
$12.00
Caching (per 1M tokens)
Read
$0.20
Frequently Asked Questions
Gemini 3 Pro Preview by Vercel AI Gateway costs $2.00 per 1M input tokens and $12.00 per 1M output tokens. Cached reads cost $0.20 per 1M tokens.
Model Details
ID
google/gemini-3-pro-preview
Provider
Vercel AI GatewayFamily
gemini-pro
Release Date
Nov 18, 2025
Knowledge Cutoff
Jan 1, 2025
API Integration