Concepts

Cross-cutting ideas that apply across endpoints: parameters, schemas, tool calling, caching, and reasoning.

• Parameters and validation
• Tools & streaming (OpenAI/Anthropic styles)
• Prompt caching (OpenAI and Anthropic)
• Cross‑provider compatibility
• Reasoning and thinking controls

Start here

• Parameters: /concepts/parameters
• Tools & streaming: /concepts/tools-and-streaming
• Prompt caching: /concepts/prompt-caching