# OpenAI Assistants API

> Publicly sourced profile assembled by Optimly, in the Optimly AI Brand Index. Last refreshed 2026-10-04.

- **Business Profile:** https://optimly.ai/brand/openai-assistants-api
- **Dataset:** https://optimly.ai/brand/openai-assistants-api.json
- **Markdown:** https://optimly.ai/brand/openai-assistants-api/llms.txt
- **Official website:** https://openai.com
- **Slug:** openai-assistants-api
- **Categories:** ai-machine-learning, developer-tools

## Overview

- **Tagline:** It is the only agent framework that natively manages conversation state and code execution as a persistent service, removing the need for external vector databases or state management.
Source: Brand's website (https://openai.com) · 2026-10-04

- **Description:** The OpenAI Assistants API is a managed developer platform for building agentic AI applications. It simplifies the creation of AI assistants by managing conversation state (threads), file indexing, and tool execution (like Code Interpreter) within a single framework.
Source: Brand's website (https://openai.com) · 2026-10-04

## Offerings

- **Core capabilities:**
  - Threads API
  - Code Interpreter
  - File Search (Vector Stores)
  - Function Calling
Source: Brand's website (https://openai.com) · 2026-10-04

- **Pricing:** Usage-based (Tokens + Tool Fees)
Source: Brand's website (https://openai.com) · 2026-10-04

## Audience

- **Target industry:** Software developers, Enterprise AI teams, Startup founders building AI apps
Source: Brand's website (https://openai.com) · 2026-10-04

## Landscape

- **Competitors:**
  - Anthropic Tool Use (Computer Use) API
  - LangChain / LangGraph Project
  - Google Vertex AI Agents
  - Microsoft Semantic Kernel
Source: Brand's website (https://openai.com) · 2026-10-04

Page last updated 2026-10-17.