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OpenAI

Live from OpenAI DevDay 2026: Keynote

Published 2026-09-29 · Duration 53:38

Summary

OpenAI unveiled major advancements across AI agents, model performance, and developer tooling. Key launches include 'Dots,' always-on AI agents designed to handle complex, ambitious tasks like tracing dependencies and writing code. The platform is enhanced by 'ChatGPT Space,' a collaborative environment for teams and agents. Technically, the focus was on speed and capability, introducing GPT-6.1 for cost-effective intelligence, 'UltraFast' for rapid token generation (up to 300 tokens/sec), and the 'Decisions API' for fast, focused model responses. Developer access is expanded with 'Codex in the Cloud,' 'Private Tensors (Z-D.R.)' for enhanced privacy, and 'API Canvas' to facilitate multi-agent workflows.

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Key takeaways

  1. AI Agents (Dots)

    Dots are always-on agents designed to handle ambitious, multi-step tasks, such as monitoring bug reports, testing fixes in draft PRCs, or tracing dependencies to migrate an app off a legacy API. They function as a 'second brain' and can operate across the cloud.

  2. Collaborative AI (ChatGPT Space) 3:30

    A new dedicated space for teams and agents to work together, allowing for interactive charts, live prototypes, and delegating tasks to multiple Dots simultaneously.

  3. Model Performance & Speed 9:10

    Launch of GPT-6.1, offering a balance of cost and capability. 'UltraFast' was introduced across the API, ChatGPT, and Codex, providing significantly increased speed (up to 300 tokens/sec). The 'Decisions API' allows models to respond quickly by focusing on a pre-defined set of options.

  4. Developer Platform Enhancements 15:50

    Codex is now available in the cloud, allowing tasks to start on a phone and continue on a desktop. New features include 'Private Tensors (Z-D.R.)' for frontier model safety without storing content on OpenAI's servers, setting a new standard for privacy.

  5. Multimodality and Computer Use 18:20

    The Astra model demonstrates advanced capabilities, including interpreting sketches, building apps, and interacting with the operating system (computer use) in real-time, showcasing the integration of voice, vision, and code.

Technical details

  • AI Agents 120s

    Dots are designed to take on delegated responsibilities, acting as virtual teammates. They can follow user access, operate in the cloud, and write/test code, moving beyond simple tasks like booking tickets.

  • Model APIs 600s

    The 'Decisions API' allows models to respond rapidly by constraining the model's output to a pre-defined set of options. 'UltraFast' provides significantly increased speed for API calls.

  • Development Workflow 1000s

    Codex is now available in the cloud, enabling seamless task continuation across devices. The 'API Canvas' and 'Multi-agent controls' facilitate complex, multi-agent workflows.

  • Security and Privacy 1050s

    Introduction of 'Private Tensors (Z-D.R.)' to deliver frontier model safety while ensuring user content is not stored on OpenAI's servers.

Mentioned resources

  • Dots (AI Agent)
  • ChatGPT Space (Collaboration Platform)
  • GPT-6.1 (LLM Model)
  • UltraFast (Model Speed Tier)
  • Decisions API (API Feature)
  • Codex in the Cloud (Development Tool)
  • Private Tensors (Z-D.R.) (Security Protocol)
  • Astra (Multimodal Model)

Channel & topics

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