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AI, Explained

Finding & tracking models

Off the map · practical resources

A short, opinionated list (the same layer Karpathy closes his deep dive with, ch. 3:15-3:21):

  • Compare models: LM Arena - human-preference rankings; read trends, not single ranks.
  • Run locally: LMStudio - local inference for open models, the fastest way to feel the difference between a base and an instruct model yourself.
  • Open-model playgrounds: Together and Hyperbolic - the latter serves base models, which pairs directly with the Base models page.
  • Tokenization, live: Tiktokenizer - until this site’s own tokenizer widget ships on Tokens.
  • A walkable transformer: bbycroft.net/llm - the 3D companion to the Attention track.
  • Keep up: AI News - a daily digest broad enough to catch what matters.