Claude Fable

Google News Anthropic AI · August 24, 2026 20:46

AI Model Ox Alpha Is Free, Beats Claude Fable, and Nobody Knows Who Built It - Decrypt

AI Model Ox Alpha Is Free, Beats Claude Fable, and Nobody Knows Who Built It Decrypt

Topics: Models

Entities: ModelsClaudeClaude Fable

Simon Willison AI Filter · August 09, 2026 23:31

A quote from Claude Opus 5 system prompt

Claude Fable 5 and Claude Mythos 5 were first released on June 9, 2026. On June 12, 2026, Anthropic suspended access to both models to comply with U.S. Department of …

Topics: Models

Entities: ModelsAnthropicClaudeMythosClaude OpusClaude Fable