Horizon Alpha
OpenRouter
The Horizon Alpha AI model by OpenRouter boasts an impressive 256,000 token context window and versatile capabilities in text input, vision, and function calling. With a generous output limit of 128,000 tokens and no open weights, developers can leverage its advanced capabilities for a wide range of AI applications. Plus, with a training data cutoff in 2025-07 and affordable pricing at $0/M input and $0/M output tokens, Horizon Alpha is a compelling choice for AI development projects.
Key Specifications
Context Window
256K tokens
Max Output Tokens
128K tokens
Input Pricing
Free
per million tokens
Output Pricing
Free
per million tokens
Capabilities
- Text Generation
- Vision
- Function Calling
- File Attachments
Additional Details
- Provider
- OpenRouter
- Release Date
- July 30, 2025
- Supported Input Types
- text, image