Imagen 4 Fast API
About
Imagen 4 Fast 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 Fast 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 Fast by FastRouter costs Free per 1M input tokens and Free per 1M output tokens.
Model Details
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
FASTROUTER_API_KEY
API Base URL
https://go.fastrouter.ai/api/v1