flâneur

What it feels like to work with Mythos - by Ethan Mollick

oneusefulthing.org · 1,902 words · saved by 5 readers

Claude Fable represents another big jump in AI

What it feels like to work with Mythos Claude Fable represents another big jump in AI Ethan Mollick Jun 09, 2026 1,961 194 197 Share I had early access to the first Mythos-class AI model being released to the public, Claude 5 Fable. Much of the discussion of Mythos has centered on its impact on software security, but I tested it on everything except that (the guardrails around Fable essentially prevent it from being used for cybersecurity at all). My conclusion is that it represents a very real leap over every model I have used before, and, maybe more important, suggests our relationship with

saved by

related reading