For the complete documentation index, see
llms.txt
. Markdown versions of documentation pages are available by appending
.md
to the page URL.
ChatGPT
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Overview
Get started with the OpenAI API
Models
Explore models and compare capabilities
Agents
Build persistent agents on hosted infrastructure
Tools
Connect models to tools and data
Audio & voice
Build speech and realtime voice experiences
Production
Deploy and scale your API integrations
API reference
Explore endpoints, parameters, and responses
ChatGPT
Plugins
Extend ChatGPT and Codex
Sign in with ChatGPT
Apps powered by your user's ChatGPT plan
Commerce
Build commerce flows in ChatGPT
Ads
Publish and measure ads in ChatGPT
Workspace Agents
Trigger published ChatGPT workspace agents
ChatGPT + Codex user docs
Guides and product docs for ChatGPT and Codex
Use cases
Example workflows and tasks teams can take on with ChatGPT or Codex
Docs
Use cases
Training
Resources
Resources
Showcase
Demo apps to get inspired
Blog
Learnings and experiences from developers
Cookbook
Notebook examples for building with OpenAI models
Learn
Docs, videos, and demo apps for building with OpenAI
Community
Programs, meetups, and support for builders
Search the docs
Search docs
Suggested
responses create
reasoning_effort
realtime
prompt caching
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ChatGPT
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Search docs
Suggested
responses create
reasoning_effort
realtime
prompt caching
Overview
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Audio & voice
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Overview
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Get started
Quickstart
Using GPT-6
Key concepts
Core concepts
Responses API
Decisions API
Conversation state
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Multi-agent
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Compaction
Counting tokens
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OpenAI SDK
OpenAI CLI
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Supported countries
OpenAI Crawlers
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Legacy APIs
Agent Builder
Overview
Migration guide
Node reference
Safety in building agents
Evals
Getting started
Working with evals
Prompt optimizer
External models
Graders
Fine-tuning
Optimization cycle
Supervised fine-tuning
Vision fine-tuning
Direct preference optimization
Reinforcement fine-tuning
RFT use cases
Best practices
Assistants API
Migration guide
Model catalog
Choose a model
Pricing
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Text and code
Text generation
Code generation
