METR data shows AI task capability doubling every four months — Fable 5 just hit the ceiling of their benchmark. The model beats humans at research decisions 64% of the time, but real-world testing reveals gaps in spec work and multi-agent runs.

Source episodes:

- Apple WWDC 2026 recap + Q&A (The Engadget Podcast) https://audio3.redcircle.com/episodes/f07d0a7c-d114-4d50-87dd-8a7d9631c64b/stream.mp3

- OpenAI Declares the Next Phase of AI (The AI Daily Brief) https://anchor.fm/s/f7cac464/podcast/play/121242912/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-5-9%2F425826273-44100-2-f534a2b8566db.mp3

- Claude Fable 5 review: what the new Mythos model gets right (and very wrong) (How I AI) https://anchor.fm/s/1035b1568/podcast/play/121240644/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-5-9%2F425823246-44100-2-7eb52f340db5.mp3

- Claude is Building Itself... (Engineer Prompt) https://www.youtube.com/watch?v=AoiGZl1Pc-E