insideout.sh: learn how LLMs work by building one piece at a time in your browser
krazybionic · reddit · 2026-10-21
Reddit user krazybionic kept forgetting how chatbots work after watching videos, so he started building each small piece himself — and turned that into insideout.sh, an interactive site where you build an LLM step by step in the browser, starting from the simplest concepts. He's asking for honest feedback on pacing and difficulty. A hands-on alternative to passive explainer videos for anyone wanting to internalize transformer internals.
Related event: Dev Builds insideout.sh to Learn LLMs Hands-On in the Browser(2 posts)→
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