Claude Fable 5 and Mythos 5: Capabilities episode artwork

EPISODE · Jun 19, 2026 · 1H 32M

Claude Fable 5 and Mythos 5: Capabilities

from Don't Worry About the Vase Podcast · host Askwho Casts AI

The Don’t Worry About the Vase Podcast is a listener-supported podcast. To receive new posts and support the cost of creation, consider becoming a free or paid subscriber. * 00:00:00 - Introduction* 00:01:11 - The Official Pitch* 00:04:10 - Technical Details* 00:04:34 - The System Prompt and Jailbreak* 00:06:49 - Benchmarks* 00:17:52 - Other People’s Benchmarks* 00:25:01 - The Classifiers Are Not Messing Around* 00:26:56 - The Classifiers Need Work* 00:32:26 - The Classifiers Have Consequences* 00:33:24 - First Hit Is Free* 00:34:01 - How Easily We Forget* 00:35:10 - Data Retention Is An Issue* 00:35:37 - Fable For The Win* 00:40:04 - Andrej Karpathy Is Impressed* 00:41:47 - Every Is Very Impressed* 00:42:53 - Other People Are Impressed* 00:54:30 - Know How To Tell a Fable* 00:56:23 - You Can Just Make Things* 00:58:46 - You Can Just Install Things* 00:59:11 - Good Personality* 01:01:00 - Fable Writes A Fable* 01:10:56 - Is That Code* 01:14:00 - Fable Crosses The Threshold* 01:14:34 - Man With A Plan* 01:15:29 - Less Impressed Assessments* 01:18:50 - Actively Negative Assessments* 01:19:20 - Coherence* 01:20:38 - Good Night And Good Luck* 01:21:09 - Curious Fable* 01:21:25 - I See You, Baby* 01:21:40 - We Finally Did It We Know How To Count Letters* 01:22:54 - That’s Not My Style* 01:30:50 - The Lighter Sidehttps://open.substack.com/pub/thezvi/p/claude-fable-5-and-mythos-5-capabilities?r=67y1h&utm_campaign=post-expanded-share&utm_medium=web Get full access to DWAtV Podcast at dwatvpodcast.substack.com/subscribe

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Claude Fable 5 and Mythos 5: Capabilities

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This episode was published on June 19, 2026.

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The Don’t Worry About the Vase Podcast is a listener-supported podcast. To receive new posts and support the cost of creation, consider becoming a free or paid subscriber. * 00:00:00 - Introduction* 00:01:11 - The Official Pitch* 00:04:10 -...

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