Veo 3.1 API
About
Integrate multimodal vision capabilities using Veo 3.1, designed to process both text and images seamlessly. This model delivers available completely free of charge. Access Veo 3.1 via the FastRouter API with reliable low-latency inference.
Capabilities
Input Modalities
textimage
Output Modalities
video
Reasoning
No
Structured Output
No
Tool Use
No
WeightsClosed
Temperature
Fixed
Attachment
Supported
Limits
Context Window
400K
Tokens
Input Limit
400K
Tokens
Max Output
N/A
Tokens
Pricing
Standard (per 1M tokens)
Input
Free
Output
Free
Frequently Asked Questions
Veo 3.1 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