Don't forget about the UI for AI

Summary of Don't forget about the UI for AI

by The Stack Overflow Podcast

24m•October 20, 2026
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Overview of The Stack Overflow Podcast

In this episode, Ryan Donovan speaks with Andrew Ambrosino, a member of the technical staff at OpenAI, from OpenAI Dev Day 2026 about the company’s push toward a more unified AI experience. The conversation centers on the merger of ChatGPT and Codex into a single work surface, the rationale for keeping a desktop app alongside the browser experience, and the launch of ChatGPT Spaces, a collaborative environment designed for teams working with AI agents in real time.

Key Topics Discussed

  • Unified ChatGPT + Codex experience

    • OpenAI’s goal is to create one place where users can ask questions, generate code, and complete knowledge-work tasks without needing to switch modes or apps.
    • The team wants users to be able to move across quick answers and deep work naturally, without worrying about which product or mode they are in.

  • Why the desktop app matters

    • Ambrosino explains that the desktop app is especially useful for computer use, local file access, Git checkouts, browser interaction, and other agent workflows that are harder to support in a pure browser environment.
    • The desktop surface also helps bridge cloud agents with the user’s local machine when needed.

  • Launch of ChatGPT Spaces

    • Spaces is designed as a shared workspace for teams, not just a shared chat.
    • It lets multiple people collaborate on artifacts such as:
      • pages
      • sites
      • docs
      • slides
    • The idea is to keep each person’s agent, memory, and tools personalized while still enabling collaboration on shared outputs.

  • Multiplayer AI and real-time collaboration

    • OpenAI built a real-time collaboration layer, including a CRDT system for document editing and live cursors.
    • The team focused on making collaboration feel smooth when both humans and agents are editing the same artifact.

  • Interaction design and “taste”

    • A major theme was that AI products need more than raw capability; they need polish, judgment, and good interaction design.
    • Small details like cursor motion, edit animations, and how changes appear in a document matter more than they might seem at first.

  • Safety and control

    • OpenAI has added safeguards such as an approval system for tool calls, where another model checks whether an action is safe and actually intended.
    • Users can also configure permissions in the desktop app through UI settings rather than editing config files manually.

  • Terminal still matters

    • The guest emphasizes that the terminal is not going away.
    • OpenAI continues to support terminal-first workflows with a refreshed Codex CLI, even as richer UI experiences expand.

Main Takeaways

OpenAI is moving toward a single AI work surface

The company’s direction is to reduce fragmentation between chat, coding, and agent workflows. Instead of making users choose between products, OpenAI wants the system to route tasks intelligently and naturally.

UX matters as much as model capability

A recurring point in the episode is that good AI products are not just about what the model can do—they’re about how the experience feels:

  • fast enough
  • understandable
  • visually clear
  • trustworthy
  • pleasant to use

Collaboration with AI is becoming a product category of its own

Spaces reflects a shift from “chatting with an AI” to “working with AI alongside teammates.” The team is building around shared artifacts, not just shared prompts.

Fast shipping requires constant iteration

Ambrosino describes OpenAI’s approach as launching early, gathering feedback, and iterating frequently. The team sees product development as a continuous loop rather than a one-time release.

Notable Technical Details

  • CRDT-based real-time editing supports live collaboration and cursor synchronization.
  • Computer use workflows depend on local integration, browser bridging, and smooth agent behavior.
  • Harness design is central to Codex and ChatGPT product quality, including standardized tool registration and rendering.
  • Approval flows help prevent unsafe or unintended actions from being executed by agents.
  • Plugins and skills make the harness more extensible without harming performance.

Availability and Rollout

  • ChatGPT Spaces is launching in:
    • the ChatGPT desktop app
    • the web app
  • The episode ends with the guest encouraging users to send feedback, especially via X/DMs.

Overall Impression

This episode is a product-and-UX-focused look at how OpenAI is shaping the next generation of AI tools. The big themes are unification, collaboration, safety, and taste—with a strong emphasis on building AI experiences that feel as good as they are powerful.