Alleged Fable 5 Internal Chain-of-Thought Leaked

Users reported that Fable 5 accidentally leaked its internal chain-of-thought while solving coding tasks, with additional unverified leaks emerging later. Anthropic has not officially confirmed these incidents.

2026-07-07 ~ 2026-07-08 · 2 related posts

• Fable5 Reportedly Leaks Its Internal Chain of Thought — eyishazyer · 2026-07-07
• Unverified Fable 5 Internal Chain of Thought Leaks Again — rvp · 2026-07-08