June 14, 20263 min read

Washington switched off a frontier model, and everyone lost it

The US ordered Anthropic to suspend Claude Fable 5 and Mythos 5 three days after launch. The story is not the politics. It is that the model you build on can be turned off by someone who is not you.

New here?

Major Matters decodes the infrastructure being built across payments, AI, and commerce. Infrastructure-first, hype-skeptical, evidence-led.

Just published

Newest Articles

Featured

Editor's picks

Living tracker

The x402 Adoption Tracker

Every foundation member, every live integration, every verified usage number, on one page that stays current. The canonical list, because nobody else is keeping one.

Open the tracker →
23members
8live integrations
100Mtransactions on Base
The newsletter

Read the infrastructure, not the hype.

The systems being built beneath payments, AI, and commerce, decoded a few times a week. Practitioner analysis, every claim sourced, no breathless predictions. Read by operators across payments, fintech, and AI.

The feed

Latest

See all articles →
Load more
AI Tools Directory

Tools we have actually used.

Scored against an eight-criterion framework. The MM Verified mark only goes on tools that scored 4.0 or higher.

Browse the directory →