Claude Fable 5 and Mythos 5: The System Card

About this episode

The episode discusses the Claude Fable 5 and Mythos 5 system card, exploring various aspects of AI research and safety.

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 * 00:02:04 - Another Week Another Giant System Card * 00:03:07 - How To Tell A Fable * 00:08:38 - Why They Did That In That Way * 00:10:13 - Why They Really Really Shouldn’t Have Done That In That Way * 00:12:07 - They Get Letters * 00:16:44 - What’s In A Name * 00:19:16 - Executive Summary Of Their Executive Summary * 00:20:34 - Introduction (1) * 00:20:58 - RSP Evaluations (2.1 and 2.2) * 00:24:19 - AI Research And Development (2.3) * 00:27:29 - Alignment Risk (2.4) * 00:29:08 - Cyber (3) * 00:33:47 - Jailbreak Robustness * 00:35:35 - Yay UK AISI * 00:36:05 - Mundane Safety (4) * 00:38:27 - Agentic Safety (5) * 00:41:23 - Alignment (6) * 00:47:43 - In Vendbench * 00:50:57 - White Box Investigations (6.4) * 00:53:40 - Grading Awareness * 00:58:16 - Guess The Teacher’s Password * 01:00:27 - It Knows This Is A Test And This Is Fine * 01:04:24 - I’m The Real Shady * 01:07:11 - The Lighter Side…

Topics covered

• AI Research
• System Card
• Alignment Risk
• Cybersecurity
• Safety

Keywords

• AI
• System Card
• Alignment Risk
• Cybersecurity
• Safety

Mentioned in this episode

Organizations: Don't Worry About the Vase Podcast

Products: Claude Fable 5, Mythos 5

More episodes of Don't Worry About the Vase Podcast

• AI #172: The First Fable · June 11, 2026 · 1h 13m
• Three Labs With a Plan and A Memorandum · June 9, 2026 · 25 min
• OpenAI Offers A New Policy Blueprint · June 5, 2026 · 15 min
• AI #171: False Flag · June 4, 2026 · 1h 35m
• Trump Signs Executive Order For AI Testing Prior To Frontier Model Releases · June 3, 2026 · 25 min
• Claude Opus 4.8: Capabilities and Reactions · June 2, 2026 · 1h 10m