SSMs promised efficient language modeling for long context, but so far seem to underperform compared to Transformers in many settings. Our new work suggests that this is not a problem with SSMs, but with how we are currently using them. Arxiv: arxiv.org/pdf/2510.14826 🧵

New dataset release: 🌐FineWiki This is an updated and better extracted version of Wikipedia, covering 325+ languages. Unlike the old dataset from 2023, we kept all the math content, tables, properly rendered templates, and extracted key facts. Examples and highlights below.

🤗 Sentence Transformers is joining Hugging Face! 🤗 This formalizes the existing maintenance structure, as I've personally led the project for the past two years on behalf of Hugging Face. I'm super excited about the transfer! Details in 🧵

📢Thrilled to introduce ATLAS 🗺️: scaling laws beyond English, for pretraining, finetuning, and the curse of multilinguality. The largest public, multilingual scaling study to-date—we ran 774 exps (10M-8B params, 400+ languages) to answer: 🌍Are scaling laws different by

We've just published the Smol Training Playbook: a distillation of hard earned knowledge to share exactly what it takes to train SOTA LLMs ⚡️ Featuring our protagonist SmolLM3, we cover: 🧭 Strategy on whether to train your own LLM and burn all your VC money 🪨 Pretraining,

🚨New Paper AI at Meta 🚨 You want to train a largely multilingual model, but languages keep interfering and you can’t boost performance? Using a dense model is suboptimal when mixing many languages, so what can you do? You can use our new architecture Mixture of Languages! 🧵1/n