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Documentation Index

Fetch the complete documentation index at: https://kindling.birklid.com/llms.txt

Use this file to discover all available pages before exploring further.

CommercialApplications Layer

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ChatGPT Agent

OpenAI’s agentic mode inside ChatGPT — browses the web, runs code, manages files, and completes long-horizon tasks without manual step-by-step guidance.

Type

Commercial

Stack Layer

Applications

Pricing

Plus / Pro / Team

API

Yes (Responses API)

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What it is

ChatGPT Agent is not a separate product but a mode within ChatGPT that activates when tasks require autonomous, multi-step execution. It can browse the web, write and execute code in a sandbox, manage files across sessions, and call third-party tools through integrations — completing work that would previously require multiple guided back-and-forth turns. The same capabilities are exposed programmatically via the OpenAI Responses API with built-in web_search and code_interpreter tools. Available on ChatGPT Plus (20/month),Pro(20/month), Pro (200/month), Team, and Enterprise plans. For developers, the Responses API exposes agent capabilities directly, allowing you to build products on top of the same infrastructure ChatGPT itself uses.
Use this when you want a no-setup agentic assistant for knowledge work — research, data analysis, document generation — without building your own agent stack or managing tool integrations.

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Get started

OpenAI docs ↗

Official reference for ChatGPT’s agentic modes.

Hyperagent

Enterprise AI agent platform for organization-wide deployment.

Symphony

OpenAI’s open-source agent orchestration system for development teams.