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Is Kimi K2.5 the BEST Open-source Model of 2026?

My favourite open-source AI model just got a major upgrade..Kimi K2.5 is here! LLMs excel at answering questions and writing code, but real work spans messy documents, images, incomplete data, and long decision chains. Most AI systems still struggle in these environments. Moonshot AI built Kimi K2.5 to close this gap by bringing multimodal, agentic intelligence to […]

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DSGym Offers a Reusable Container Based Substrate for Building and Benchmarking Data Science Agents

Data science agents should inspect datasets, design workflows, run code, and return verifiable answers, not just autocomplete Pandas code. DSGym, introduced by researchers from Stanford University, Together AI, Duke University, and Harvard University, is a framework that evaluates and trains such agents across more than 1,000 data science challenges with expert curated ground truth and

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How Tree-KG Enables Hierarchical Knowledge Graphs for Contextual Navigation and Explainable Multi-Hop Reasoning Beyond Traditional RAG

In this tutorial, we implement Tree-KG, an advanced hierarchical knowledge graph system that goes beyond traditional retrieval-augmented generation by combining semantic embeddings with explicit graph structure. We show how we can organize knowledge in a tree-like hierarchy that mirrors how humans learn, from broad domains to fine-grained concepts, and then reason across this structure using

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