Fable 5 and OpenAI’s Curious ChatGPT Update

This week on AppStories, Federico and John look at our experiences with Claude Fable 5 and how they differ from other models and break down the controversial changes made by OpenAI to its Mac’s ChatGPT app.

Then on AppStories+, John and Federico contrast their experiences with Fable 5 and OpenAI’s new family of GPT 5.6 models.

Also available on YouTube here (youtube.com/watch?v=inBmVMJR3DM&list=PLDSp…) or download the transcript here (cdn.macstories.net/images/uploads/2026/07/13/a…).

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Links and Show Notes
App State
• Appalachian State University (appstate.edu)

Anthropic’s Claude Fable 5
• Claude Fable (anthropic.com/claude/fable)

What did OpenAI Do to ChatGPT?
• The New ChatGPT (openai.com/chatgpt-work)
• The ChatGPT “Super App” Sort of Super Sucks (spyglass.org/chatgpt-gets-to-work)

• AppStories, Episode 483: Codex as a Productivity Super App (macstories.net/podcasts/appstories-plus/483)

AppStories+ Post-Show
• GPT 5.6 Announcement (openai.com/index/gpt-5-6)

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• John Voorhees (mastodon.macstories.net/@johnvoorhees)

• MacStories (bsky.app/profile/macstories.net)

• Federico Viticci (bsky.app/profile/viticci.macstories.net)

• John Voorhees (bsky.app/profile/johnvoorhees.macstories.net)

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