Claude Fable 5 Can Work Alone for Far Longer. Here’s What That Changes for Agents.
Claude Fable 5 Can Work Alone for Far Longer. Here’s What That Changes for Agents. A few weeks ago I wrote that Claude Opus 4.8 quietly retired a chunk of the scaffolding I’d been writing for agents. I stand by that. But I also said the thing I’d really be watching was whether models could hold it together over long, unsupervised runs — because that’s where agents have always fallen apart. Claude Fable 5 landed on June 9, 2026, and it’s the […]