Sections
New AI models, the labs that build them, benchmarks, open weights and the people who move between labs.
On March 4, 2026, at 12:11 a.m., Lin Junyang posted four words: 'me stepping down. bye my beloved qwen.' By 4 a.m., 5,000 people had liked it. This is the story of what he built, why he left, and what it means for the open-source AI world.
Two months after Opus 4.5, Anthropic released Claude Opus 4.6, a model that scored 99.8% on advanced mathematics, built a price-fixing cartel in a business simulation, and became the default engine behind the world's most-used AI coding tool. Here is what it actually is.