not much happened today

**rStar-Math** surpasses **OpenAI's o1-preview** in math reasoning with **90.0% accuracy** using a **7B LLM** and **MCTS** with a **Process Reward Model**. **Alibaba** launches **Qwen Chat** featuring **Qwen2.5-Plus** and **Qwen2.5-Coder-32B-Instruct** models enhancing vision-language and reasoning. **Microsoft** releases **Phi-4**, trained on **40% synthetic data** with improved pretraining. **Cohere** introduces **North**, a secure AI workspace integrating **LLMs**, **RAG**, and automation for private deployments. **LangChain** showcases a company research agent with multi-step workflows and open-source datasets. **Transformers.js** demos released for text embeddings and image segmentation in JavaScript. Research highlights include **Meta Meta-CoT** for enhanced chain-of-thought reasoning, **DeepSeek V3** with recursive self-improvement, and collaborative AI development platforms. Industry partnerships include **Rakuten** with **LangChain**, **North** with **RBC** supporting 90,000 employees, and **Agent Laboratory** collaborating with **AMD** and **Johns Hopkins**. Technical discussions emphasize **CUDA** and **Triton** for AI efficiency and evolving AI-assisted coding stacks by **Andrew Ng**.