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Stanford just reinvented text generation. (it’s neither autoregressive nor diffusion) Autoregressive LLMs generate one token at a time. Longer answers require longer chains of sequential predictions. Diffusion LLMs generate many tokens in parallel, but still need repeated refinement passes. Each pass processes the full sequence, and quality drops quickly when you cut the passes. Stanford researchers proposed another approach, Next-Concept Modeling (NCM). It generates text from coarse structure to fine detail in roughly a dozen passes. First, a tokenizer learns to represent text as layers of compressed information. Early layers capture broad structure, while later layers add details the earlier ones missed. A transformer then learns to generate these layers in order, predicting everything within each layer simultaneously. A decoder converts the completed representation into text. The advantage is that early layers are tiny. Generation needs fewer passes, and those early passes process much less information. You can see this in the team’s translation example. Early layers produce rough, repetitive text, which later layers refine into a clean translation. In the researchers’ tests, NCM generated text 10–31× faster than strong diffusion baselines, with comparable or better benchmark scores. On LM1B and OpenWebText, it also used roughly 4–5× fewer training tokens, including tokenizer training. That speed can also improve quality. Generating several candidates and selecting one based on agreement outperformed diffusion baselines at the same sampling time budget. The limits matter. Scaling experiments reach 725M parameters, tasks use separate tokenizers, and the release includes evaluation code and checkpoints without a training pipeline. Some evaluations also use repetition penalties during final decoding, without additional model calls. NCM shows that parallel generation can work by building increasingly detailed representations. Whether those gains hold at general-purpose LLM scale remains open. - GitHub repo: - Paper:

Stanford professor Karl Deisseroth shared the news of his Nobel Prize in Medicine with his children, prompting screams and hugs from his daughters and a nearly speechless reaction from his son.

Stanford University is tapping alumni who are company founders to help sponsor its sports teams, including its football and basketball teams, in the race to generate revenue for the ever-changing world of college athletics.