Creating a project gives Codex the right working environment and keeps related conversations organized. Guided practice uses prepared responses and checks, try the suggested prompts and controls. In ...

You can attach tools to a Realtime session so the model can look up data, take actions, or call services during a live conversation. Tool configuration uses the same event surface whether your client ...

A system (or developer) message inserted into the model’s context. When used along with previous_response_id, the instructions from a previous response will not be carried over to the next response.

Prepare a plugin's remote MCP server and optional UI for public review. Prepare a remote MCP server and its optional UI for public review as part of a plugin. This page covers remote MCP submissions.

Sign in to ChatGPT with the account that owns the eligible subscription. For Pro, open Settings → Billing. For Business, open your workspace’s billing settings in ChatGPT or the Admin Console. Find ...

Use Kubernetes as a Workload Identity Provider by exchanging a projected Kubernetes service account token for a short-lived OpenAI access token. Setting up Kubernetes This guide assumes Kubernetes ...

Learn about automatic voice activity detection in the Realtime API. When VAD is enabled, the audio is chunked automatically and the Realtime API sends events to indicate when the user has started or ...

Choose an identity and credentials for development, applications, and automation. An API key is a secret credential that authenticates requests. A service account is a nonhuman identity that an ...

Improve results with practical tips for fine-tuning. If you’re not getting strong results with a fine-tuned model, consider the following iterations on your process. Collect examples to target ...

Configure automatic action review for an agent session to let your agents work more autonomously. Automatic review approves or denies supported approval requests as an agent works, much like the ...

For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.

Evaluations (often called evals) test model outputs to ensure they meet your specified style and content criteria. Writing evals is an essential part of building reliable applications. Datasets, a ...