Posted by Alumni from Substack
July 11, 2026
' Hey, Linas here! Every day, I break down 3 stories shaping the future of FinTech & Artificial Intelligence - plus the money movements and trends worth tracking. First time here' 396k+ FinTech and AI leaders get this daily. Join them: Claude Fable 5 is the first generally available model where the binding constraint is no longer intelligence. It holds a million tokens of context, runs unattended for hours, spawns and manages its own subagents, and produces output at $50 per million tokens, whether that output is a shipped feature or an elaborate, confident mistake. In other words, the bottleneck has moved. It is no longer 'can the model do the work'' It is 'can you run the model like an organization, with delegation, verification, budgets, and earned trust, instead of like a chatbot'' That second thing has a name: an agentic OS, the permanent layer of files, scripts, and ledgers that lets a model work alone and be trusted to. The model supplies the intelligence. The OS supplies the... learn more