Open Source
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Vectorless RAG: Reasoning Over a Tree, Not Cosine Search
Vectorless RAG swaps embeddings for a table-of-contents tree the LLM walks. What PageIndex does well, what a query costs, and who should skip it.
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MoE Expert Offloading: 125B on a 12GB GPU, With Catches
MoE expert offloading lets a 12GB GPU run a 125B model, but only for one user at a time. What Strata's numbers say, and what I'd run instead.
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Open-weight decision models: Clef vs Strands Decider
Clef and Strands Decider 2B are open-weight decision models that return a calibrated score, not text. Here's what shipped and why it matters.