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LLM Gateway

Gemini 3 Pro Image (Preview) API

LLM Gateway
About

Integrate multimodal vision capabilities using Gemini 3 Pro Image (Preview), designed to process both text and images seamlessly. This model delivers cost-effective pricing at $2.00/1M input and $12.00/1M output tokens. Access Gemini 3 Pro Image (Preview) via the LLM Gateway API with up to 33K output tokens.

Capabilities

Input Modalities

textimage

Output Modalities

textimage
Reasoning
No
Structured Output
Yes
Tool Use
No
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
66K

Tokens

Input Limit
66K

Tokens

Max Output
33K

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 Image (Preview) by LLM 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
gemini-3-pro-image-preview
Provider
LLM Gateway
Family
gemini
Release Date
Nov 20, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
LLMGATEWAY_API_KEY
API Base URL
https://api.llmgateway.io/v1
Documentation