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Assistant API (Deprecated)

Tool calling overview (Deprecated)

The Assistant API is being deprecated. Migrate to the Responses API as an alternative. The Responses API includes multiple built-in tools and supports multi-turn context management.
Assistant API supports the following tools:
  • Official plugins:
    • Text-to-image tool: Generates images from text descriptions.
    • Calculator: Performs precise math calculations.
  • Function calling: Similar to applications in Model Studio, the agent supports function calling. When you create an agent, you can describe your business functions. The agent then intelligently returns the name of the function to call and its parameters.