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FastRouter

Imagen 4 Ultra API

FastRouter
About

Imagen 4 Ultra is a high-performance LLM available via the FastRouter API, ideal for scalable text generation and natural language processing. This model delivers available completely free of charge. Access Imagen 4 Ultra via the FastRouter API with reliable low-latency inference.

Capabilities

Input Modalities

text

Output Modalities

image
Reasoning
No
Structured Output
No
Tool Use
No
WeightsClosed
Temperature
Fixed
Attachment
Not Supported
Limits
Context Window
480

Tokens

Input Limit
480

Tokens

Max Output
N/A

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

Imagen 4 Ultra by FastRouter costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
google/imagen-4.0-ultra
Provider
FastRouter
Family
imagen
Release Date
May 20, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
FASTROUTER_API_KEY
API Base URL
https://go.fastrouter.ai/api/v1
Documentation