"The biggest shift was "apps inside ChatGPT." With a preview Apps SDK, third-party software can render interactive UI directly in the chat and share context through Model Context Protocol. In demos a user designed a poster with Canva, then pivoted into a Zillow map without leaving the thread. OpenAI said an app directory and a submission review process are coming, with monetization guidance to follow later this year. The pitch is a new distribution channel that uses chat as the runtime, not just the interface."
"On the "do work" axis OpenAI formalized agents. AgentKit packages a visual Agent Builder, a Connector Registry for governing data sources, ChatKit for embeddable agent UIs, and integrated evaluation and tracing so teams can observe workflows and improve them. This is the plumbing most orgs end up writing themselves: orchestration, guardrails, metrics, and versioning. OpenAI also highlighted reinforcement fine-tuning that is GA on o4-mini and in private beta on GPT-5."
"On October 6, 2025 OpenAI hosted DevDay 2025 where the company introduced with new tooling for agents, AgentKit, and shipped fresh model options, GPT-5 Pro and Sora 2 in the API. The day was themed with the idea of making a chatbot a place where software runs, collaborates, and sells inside the conversation itself. The biggest shift was "apps inside ChatGPT.""
On October 6, 2025 OpenAI unveiled tools and models aimed at turning ChatGPT into a software runtime, including GPT-5 Pro and Sora 2 in the API. The Apps SDK and Model Context Protocol enable third-party apps to render interactive UI inside chats and share context, with partners like Canva, Zillow, Spotify, and Booking.com demonstrating live experiences. OpenAI plans an app directory, submission review, and later monetization guidance. AgentKit bundles a visual builder, connector registry, embeddable UIs, evaluation, and tracing for production agents, while reinforcement fine-tuning is GA on o4-mini and in private beta on GPT-5. A self-hosted Agents SDK in Python and TypeScript offers portability.
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