What antitrust looks like in the age of AI.

An Austrian built the hottest open source project of 2026. Anthropic cut him off and shipped the replacement four days later. Here is the case, both sides, and the part Europe has to actually reckon with.

The hottest open source project of 2026 was built in Vienna. It altered the product roadmap of every frontier AI lab on the planet. It showed, before any major lab did, what it actually looks like when an AI agent does real work for you. That is not a European participation story. That is a European category-defining story.