Stanford Lecture on the Mathematical Foundations of LLMs

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A viral post highlights a Stanford lecture on the technical fundamentals behind large language models. The author argues that models like Claude and ChatGPT process numbers rather than text, linking this core competence to lucrative engineering salaries. However, a Community Note corrected the identity of the lecturer and the course shown.

Key points

  1. LLMs do not read text directly but process numerical representations.
  2. According to the author, leading AI labs like Anthropic offer substantial salaries to engineers mastering these foundations.
  3. A Community Note clarifies that the clip features Assistant Professor Tengyu Ma teaching CS229, not Percy Liang teaching CS336.

Why it matters

Deep technical understanding of model mechanics beneath user prompts remains in high demand. Open course recordings from top institutions provide broad access to foundational AI theory, though social media attributions often require fact-checking.

Analysis

The post uses tech compensation figures to generate interest in university-level machine learning fundamentals. The fact-checking note added by readers underscores how viral technical summaries on social platforms frequently mix up course numbers and lecturers.

Original post

CopyRebeldia

@CopyRebeldia · 22 August 2026

Así se ve un sueldo de 750.000 dólares al año: un tipo en camiseta blanca, un pizarrón y 2 horas y media. Stanford, CS336. Percy Liang construye un LLM desde cero. Lo que hay debajo de Claude y ChatGPT, y arranca por la parte que todos saltan: el modelo no lee tu texto, lee t.co/VTJ5XGdldC

22.7k likes185 replies41.9k bookmarks2.8m views

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More posts in the thread (1)
  1. @jordimuntada Me encanta hermano ❤️
Selected replies (5)
  • @JRobertNichols @CopyRebeldia Let me put this more succinctly. t.co/Svn0107pUS
  • @jordimuntada @CopyRebeldia No hay mejor plan que aprender cómo funciona ChatGPT a las 10 de la noche t.co/hhYCkgqINk
  • @nirvikalpa_s @CopyRebeldia Attention is all you need. IFYKYK
  • @antsanch @Maximo_Cocolio @CopyRebeldia Si lo único que ves es la ropa del ponente solo estás desperdiciando tu tiempo
  • @K54321000001 @CopyRebeldia @grok summarize this like in 16 years old

Links and tools from this entry

Summary generated by AI (Gemini 3.8 Flash, 27 September 2026). It may contain errors – the original source is authoritative.

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