According to Ethan Mollick, Fable built a Piranesi-style city builder with arches and waterways in vast ruins; play it at capriccio-city.netlify.app.

According to emollick, Fable built an impressionist city builder where gesture painting grows evolving neighborhoods. Play it at cezanne-city.netlify.app.

According to Ethan Mollick, Opus 5 outperforms 4.8 but inherits Fable-like dense prose, showcased in a Middle Earth railroad game demo.

According to TheRundownAI, Anthropic’s Claude Opus 5 leaps past 4.8 and outperforms Fable on several benchmarks at half the price.

According to @emollick, a one-shot procedural harbor town benchmark now compares GPT-5.6 Pro, Fable, Kimi K3, and Inkling.

According to @emollick, Kimi K3 generated a twigl shader of neo‑gothic ocean towers and improved it on prompt, showing strong open weights performance.

According to emollick, Fable built a ships catalog site and spotted two Butler Iliad Greek translation errors, echoing GPT4 mapping work.

According to Ethan Mollick, Fable now runs 3D DnD encounter sims with initiative and dice rolls, echoing prior GPT4o tests, enabling richer game AI demos.

According to @emollick, Fable excels on longer, harder tasks, based on early access testing and his analysis linking to One Useful Thing.

According to TheRundownAI, Fable has re-launched, drawing nonstop checks from the AI community as the service comes back online.

According to TheRundownAI, the AI community is watching for Fable’s launch, signaling strong demand for generative video tools with studio workflows.

According to TheRundownAI, Anthropic ships Sonnet 5 for Fable, Google debuts Nano Banana Lite and Omni Flash, plus new Claude ad and science tools.

According to emollick, AA Briefcase scores show rapid gains and a clear open weights gap, with Fable as guardrailed Mythos, per Artificial Analysis.

According to emollick, Fugu Ultra-high took 30 minutes on shader tests and trailed Fable quality, despite Sakana claiming Fable level performance.

According to KyeGomezB, Sakana AI’s Fugu Ultra routes subtasks across multiple LLMs via an OpenAI API endpoint, matching Fable and Mythos on benchmarks.

According to TheRundownAI, Sakana AI’s Fugu Ultra uses multi agent orchestration to match Fable and Mythos on several benchmarks.

According to emollick, GLM5.2 Max nails constraints, while Fable elevates style by theming vanishing vowels in a six‑stanza poem challenge.

According to @emollick, Opus 4.8 completed Fable’s Borges Library of Babel sim with multiplayer ghosts and searchable volumes like GPT1 weights.

According to TheRundownAI, Anthropic suspended Fable and Mythos access after a US export control order citing jailbreak risks, affecting foreign nationals.

According to @emollick, Claude Code with Fable rebuilt SimRefinery from screenshots into a fully playable version with learning mode and upgrades.