Fable 5 burned my whole 5-hour window in one shot — and it was totally worth it

Fable 5 lies 96% of the time. We were surprised by it's skill... 🧵 https://t.co/YtsLo9sW6j

Fable 5 lies 96% of the time. We were surprised by it's skill... 🧵

Fable 5 is a 100x engineer on demand. SWE are cooked.

Claude Fable 5 (Part 1): What Changed, and How to Stop Prompting It Like Opus

I spent my first full day on Claude Fable 5 doing what I always do with a new frontier model: I threw my existing prompts at it, watched hal

Fable 5 Takes on the Butterfly

I run one mean little prompt on every new model. Anthropic's brand-new Fable 5 just gave me the best answer I've ever gotten.

Fable 5 is back. https://t.co/9RTGUCcPHy

Fable 5 is back.

Fable 5 Beats GPT-5.6 by 15.7 Points — Devs Are Quitting Claude Code for Codex Anyway

Claude Fable 5 leads GPT-5.6 Sol by 15.7 points on SWE-Bench Pro — 80.3% against 64.6% in third-party testing. It wins the aggregate… Contin