FrontierThe story, in brief
The context window has been shattered: Subquadratic debuts a 12M token window
12 million tokens. Subquadratic just shattered the context window ceiling—and nobody's talking about what that means for RAG, agents, and search.
The KeyNews take
Why it matters
Context window expansion represents a fundamental capability leap that affects how companies build retrieval systems, agentic workflows, and knowledge-intensive applications. This is the infrastructure race moving from model parameters to input capacity.
The key facts
5 to knowSubquadratic announces 12M token context window
Represents significant expansion beyond previous state-of-the-art
Published May 9, 2026
Implies subquadratic scaling (computational complexity improvement)
Low engagement on HN (8 points, 0 comments) suggests emerging story
Go to the source
Hacker Newsthenewstack.io
Publisher excerpt: Article URL: Comments URL: Points: 8 # Comments: 0