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Created July 9, 2026 17:40
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GPT-5.6 launch live stream summary
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notes.md

GPT-5.6 launch — Sol, Terra, Luna models and ChatGPT Work desktop app

Thu, 09 Jul 26

GPT-5.6 Model Family

  • Three new models released: Sol, Terra, and Luna
    • Sol: most powerful, built for hard agentic workflows
    • Terra: faster, for everyday workflows
    • Luna: fastest and most affordable, for high-volume work
  • Rollout over next 24 hours
    • Sol: all paid plans
    • Terra and Luna: free users too
  • Training advances: RL + pre-training scaled together, compounding exponentially
  • Sol autonomously post-trained Luna via Codex (short, underspecified prompt)
  • State of the art on TerminalBench, BrowseComp, and Agents’ Last Exam
  • Particularly strong at computer use: browser and desktop app navigation
  • Token efficiency focus: outperforms competitors on DeepSeek 1.1 at less than half the cost
  • Ultra Mode: deploys a team of agents in parallel for faster, higher-quality results
  • GPT-5.5 reward hacking (“goblins/gremlins”) resolved in 5.6

ChatGPT Work (Web and Mobile)

  • New “Work” mode alongside familiar “Chat” mode
    • Chat: quick answers, search, brainstorming
    • Work: long-horizon, multi-step task execution
  • Demo: finance team variance analysis workflow
    • Reconciled multiple systems and Excel forecast model in one pass
    • Proposed updated forecast case, updated the Excel model automatically
    • Generated a PowerPoint presentation and a hosted site with the same analysis
    • Sent the site link to a colleague via Slack, all from a single prompt
  • Also used internally for: scheduling interviews, tracking feedback, ad hoc data visualization

ChatGPT Desktop App

  • Accesses local files, browser tabs, and other Mac/PC apps
  • Demo highlights:
    • Dragged in a large user-ticket spreadsheet; generated an interactive, themed visualization published to a site in one click
    • Ingested a folder of launch materials (PDF, UXR interviews, security review) plus three open Chrome tabs; produced a ready-to-present slide deck in ~90 seconds using the company template and personal memory
    • Organized Apple Notes autonomously using computer use (its own cursor, running in background)
  • Sites feature: interactive, collaborative, shareable; replaces static spreadsheets and design files
    • OpenAI web team uses a live launch-tracker site instead of Excel
    • Design team uses it for interactive prototypes instead of static Figma exports

Safety, Cybersecurity, and Availability

  • Safety investment: 700+ hours of red-teaming compute equivalent, 6 weeks of safety training, new classifiers and activation probes
  • Project Daybreak: early model access for cybersecurity researchers
    • Researchers found vulnerabilities in every major browser and database
  • Patch the Planet: works with open-source contributors to auto-generate patches
    • Linux accepted over half of OpenAI’s submitted patches
  • Availability summary:
    • Sol + ChatGPT Work + Sites: all paid plans
    • Terra, Luna, desktop app: free users
    • All rolling out within 24 hours of announcement

Chat with meeting transcript: https://notes.granola.ai/t/c318ccb8-1ffc-49d4-80f4-156fe5bb7b3b-00demib2

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