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OpenAI Assistants API

Managed API for building autonomous agents with built-in memory, tools, and code interpretation.


Overview

A fully managed service that handles thread management, vector storage for knowledge, and function calling. It simplifies agent development by abstracting away the infrastructure.

Best for

  • Rapid prototyping with minimal infrastructure
  • Agents requiring long-term memory and code execution

Trade-offs

vs LangGraph
Assistants API is faster to deploy with built-in memory; LangGraph offers more control over the agent's internal logic and state.

What XeroHack pre-wires

When you pick OpenAI Assistants API in the interview, the engine emits these files into your scaffold:

  • Code Interpreter
  • File Search
  • Function Calling

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