Yhn SportSports first seen 4 h ago, last 18 min ago, peak #9
Interactive walkthrough shows every number inside a tiny GPT
Original: Show HN: Every number in a tiny GPT, from one forward pass to one step of RLHF
A developer has published a detailed walkthrough of a tiny GPT model, tracing every individual number through a forward pass and then through a single step of reinforcement learning from human feedback. The project, shared as a show-and-tell submission, is drawing attention from machine learning enthusiasts who say it makes the internal mechanics of language models easier to follow.
Why now: Builders and learners are keen for clear, concrete explanations of how GPT models and RLHF actually work under the hood.
Evidence
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