It supports up to 128,000 tokens of context, about 300 pages of a book, with better accuracy over long context. It adds JSON mode, better function calling, reproducible outputs via a seed, retrieval, world knowledge up to April 2023, and API access to vision, DALL·E 3 and text-to-speech.

Tailored versions of ChatGPT for a specific purpose that combine instructions, expanded knowledge and actions. You build one by talking to the GPT Builder, can keep it private, share it by link or make it company-only on Enterprise, and list it in a GPT Store where popular builders get a share of revenue.

Persistent threads so developers need not manage long conversation history, built-in retrieval, Code Interpreter as a sandboxed Python interpreter, and improved function calling that can invoke multiple functions at once with guaranteed JSON. Steps are visible in the developer dashboard.

OpenAI says it will step in and defend customers and pay the costs incurred if they face legal claims around copyright infringement. It applies to both ChatGPT Enterprise and the API, and Altman adds that OpenAI never trains on data from the API or ChatGPT Enterprise.

Satya Nadella says Azure is being reshaped, from power and data centres to accelerators and networks, for OpenAI's large synchronous training workloads. Microsoft builds products like GitHub Copilot on OpenAI APIs and offered GitHub Copilot Enterprise to all attendees.