Claude Fable 5

Claude Fable 5

From Tech Brew Ride Home by Morning Brew

June 9, 2026 · 21 min

About this episode

The episode discusses the release of Claude Fable 5 by Anthropic, OpenAI's IPO filing, and cybersecurity issues involving Microsoft GitHub repos.

Anthropic released Claude Fable 5, a guardrailed Mythos-class model, to the public and Mythos 5 to trusted partners. OpenAI confidentially filed for an IPO. Hackers injected credential-stealing malware into 70+ Microsoft GitHub repos, and Apple details its new Gemini-based foundation models. Anthropic releases Claude Fable 5, a "safe" Mythos-class model it says can't be used for cyberattacks, to the public, and Claude Mythos 5 to trusted orgs (Wired) OpenAI confidentially files for an IPO, says it has "not decided on timing yet", as "there are things we want to do that are likely easier as a private company" (CNBC) Microsoft disabled 70+ of its repos on GitHub, including Azure-related tools like azure-functions-host, after hackers added credential-stealing malware to them (TechCrunch) MG Siegler: after being left for dead in AI, Apple is set to win at the consumer level — the power of the default, superior product instincts, and no real competition (Spyglass) Ben Thompson: the iPhone is the true core of Siri AI, and Apple is the only company positioned to work across apps with personal context — as long as it's not vaporware (Stratechery) Learn more about your ad choices. Visit…

Topics covered

  • AI
  • technology news
  • cybersecurity
  • IPO
  • machine learning
  • Apple
  • OpenAI

Keywords

  • Claude Fable 5
  • OpenAI IPO
  • Microsoft GitHub
  • malware
  • Apple Gemini

Mentioned in this episode

Organizations: Anthropic, OpenAI, Microsoft, GitHub, Apple

Products: Claude Fable 5, Mythos-class model, Gemini-based foundation models

Books & works: Wired, CNBC, TechCrunch, Spyglass, Stratechery

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