Riverflow V2 Fast Preview API
About
Integrate multimodal vision capabilities using Riverflow V2 Fast Preview, designed to process both text and images seamlessly. This model delivers available completely free of charge, open weights architecture. Access Riverflow V2 Fast Preview via the OpenRouter API with up to 8K output tokens.
Capabilities
Input Modalities
textimage
Output Modalities
image
Reasoning
No
Structured Output
No
Tool Use
No
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
8K
Tokens
Input Limit
8K
Tokens
Max Output
8K
Tokens
Pricing
Standard (per 1M tokens)
Input
Free
Output
Free
Frequently Asked Questions
Riverflow V2 Fast Preview by OpenRouter costs Free per 1M input tokens and Free per 1M output tokens.
Model Details
ID
sourceful/riverflow-v2-fast-preview
Provider
OpenRouterFamily
sourceful
Release Date
Dec 8, 2025
Knowledge Cutoff
Jun 1, 2025
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1