Claude Sonnet 4.5
OpenCode Zen
The Claude Sonnet 4.5 AI model by OpenCode Zen offers developers a powerful tool for advanced reasoning, text input, vision, and function calling. With a massive context window of 1,000,000 tokens and an output limit of 64,000 tokens, this model is perfect for tackling complex tasks. Priced at $3 per million input tokens and $15 per million output tokens, the Claude Sonnet 4.5 is a cost-effective solution for cutting-edge AI development.
Key Specifications
Context Window
1.0M tokens
Max Output Tokens
64K tokens
Input Pricing
$3.00
per million tokens
Output Pricing
$15.00
per million tokens
Capabilities
- Text Generation
- Vision
- Function Calling
- Advanced Reasoning
- File Attachments
Additional Details
- Provider
- OpenCode Zen
- Release Date
- September 29, 2025
- Advanced Reasoning
- Supported
- Supported Input Types
- text, image