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Show HN: Building an LLM from Scratch in TypeScript

https://book.humanexperiences.io/
29•baraa_•3h ago
I wanted to understand transformers at a level where nothing is magic, so I'm building a ChatGPT-style model from first principles in TypeScript. Why not Python? I've found that reimplementing concepts in a different language forces me to grasp the nuance of the implementation. Chapters cover dataloaders, embeddings, and the attention mechanism so far. Feedback welcome if anything's unclear.

Comments

pluc•2h ago
Why does it start at Chapter 2? Is it one of those JavaScript integer quirks?
wateralien•2h ago
Chapter 1 was the chapter about why you shouldn't use Typescript for this.
baraa_•2h ago
Chapter 1 exists. It's just a Promise that never resolved

Show HN: A guided 3D Leonardo da Vinci museum, built in code

https://museumofages.org/w/vinci
39•micstradev•4h ago•14 comments

Show HN: Guitoro, a virtual guitar you strum with your keyboard

https://guitoro.com/
496•talccc•18h ago•132 comments

Show HN: How random are you?

https://lab.specr.net/rigged-draw/
172•vunderba•21h ago•91 comments

Show HN: XY Music Notation

https://music.xy.dev/
79•jmole•20h ago•70 comments

Show HN: Parsimony – an open-source benchmark for how much code AI models add

https://parsimony.lasu.dev/
71•lasu•18h ago•15 comments

Show HN: Spotatui, a Spotify TUI/GUI without web API rate limits

https://github.com/LargeModGames/spotatui
76•LargeModGames•1d ago•17 comments

Show HN: Use your OpenAI subscription to create audiobooks

https://pdftomp3.com/connect-ai/
166•janpmz•1d ago•88 comments

Show HN: I built a tool to track what AI leaders say and how their views change

https://blumify.io/people
107•gcsydney•12h ago•72 comments

Show HN: Building an LLM from Scratch in TypeScript

https://book.humanexperiences.io/
29•baraa_•3h ago•3 comments

Show HN: Fakenamegenerator – free browser based mock data generator

https://www.fakenamegenerator.online/
2•zamranilyas•3h ago•0 comments

Show HN: Graft – open-source source control for agent-scale monorepos

https://github.com/VishiATChoudhary/graft
2•vc14•3h ago•1 comments

Show HN: Jevcrawl – A web crawler for AI agents with no LLM in the crawl loop

https://github.com/RayenMlayeh/jevcrawl
14•rayenmlayeh•14h ago•1 comments

Show HN: Pulse Local, a Mac budgeting app whose AI models run on your machine

https://pulseos.finance
108•niztk•14h ago•69 comments

Show HN: Chiplab - Give your AI agent access to virtual hardware

https://veecle.ai/chiplab
7•hoihoihoi•5h ago•2 comments

Show HN: SolidCraft – Open-Source Parametric CAD in Rust (With MCP Support)

https://github.com/bherbruck/solidcraft
138•bherbruck•1d ago•50 comments

Show HN: Mosh-rs, Mosh rewritten in Rust with scrollback and Windows support

https://github.com/Arunjay4213/mosh-rs
18•Arunjay__•13h ago•7 comments

Show HN: Stream live open data in two commands

https://docs.hypermass.io/docs/cli/
15•gardensalad•1d ago•1 comments

Show HN: Atticus – Hold-to-talk voice assistant for macOS that runs on Claude -p

https://github.com/SaarthurR/atticus-mac
115•SaarthRanka•2d ago•28 comments

Show HN: Deslop – Oxlint rules for AI-generated TypeScript

https://github.com/maharshi365/deslop
31•maharshi365•20h ago•7 comments

Show HN: Wonderhop – A daily game: guess what most people say, or what none do

https://wonderhop.io/en/
8•mtlduo•14h ago•9 comments

Show HN: An experimental pattern-first DAW that supports MCP

https://github.com/andrewfader/blokkily
83•androsynth89•1d ago•40 comments

Show HN: Geometry Check, a Fusion 360 add-in that finds slightly-wrong geometry

https://github.com/andyd/geometry-check
2•andydee•8h ago•0 comments

Show HN: SuperLocalMemory" AI brain that never bluffs: Laya, Jev, Google Gemma

https://github.com/qualixar/superlocalmemory
4•vpbhardwaj•8h ago•0 comments

Show HN: Yagi DSP Modulation SIM

https://brian-armstrong.github.io/yagi/lab.html
5•brian-armstrong•2d ago•2 comments

Show HN: Knitting – A shared-memory concurrency runtime for Node.js,Bun,and Deno

https://js.knitting.run/
10•mimiMonads•22h ago•4 comments

Show HN: Brickbrag – A multiplayer brick-building world in the browser

https://brickbrag.com/
76•neuling•1d ago•40 comments

Show HN: AgentGate – Fast authorization gateway for AI agent tools

https://github.com/mohitdebian/AgentGate
2•devlabs•9h ago•0 comments

Show HN: Sayso, free open source dictation for Mac, Windows, and Linux

https://github.com/watzon/sayso
23•watzon•22h ago•8 comments

Show HN: PS2 games statically recompiled to WebAssembly

https://github.com/snuri00/ps2-web-recomp
308•deadxwarrior•2d ago•158 comments

Show HN: RSI-Anything – JEPA world models for self-improving agents

https://github.com/Gen-Verse/RSI-Anything
7•mrkn1•23h ago•0 comments