Hermes 4 405B
OpenRouterOpen Weights
The Hermes 4 405B AI model by OpenRouter offers developers a powerful tool with a massive context window of 131,072 tokens and advanced reasoning capabilities. With the ability to handle text input, function calling, and more, this model is perfect for complex language tasks. Open weights and competitive pricing make it a valuable asset for AI projects.
Key Specifications
Context Window
131K tokens
Max Output Tokens
131K tokens
Input Pricing
$1.00
per million tokens
Output Pricing
$3.00
per million tokens
Capabilities
- Text Generation
- Function Calling
- Advanced Reasoning
Additional Details
- Provider
- OpenRouter
- Release Date
- August 25, 2025
- Advanced Reasoning
- Supported
- Supported Input Types
- text