nanoGPT
The simplest, fastest repository for training and finetuning medium-sized GPTs.
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Train LLM From Scratch
A straightforward method for training your LLM, from downloading data to generating text.
Day 43 since launch · Launched 25 August 2026
Made by Shushant LakhyaniKnow about Shushant Lakhyani hereGet all my visual guides hereSee what I can build for youAI+Tech+No-Code+Online Business Mini GuidesJoin the newsletter
Made by Shushant LakhyaniKnow about Shushant Lakhyani hereGet all my visual guides hereSee what I can build for youAI+Tech+No-Code+Online Business Mini GuidesJoin the newsletterBuilt with love by Shushant Lakhyani. Building bestproductivityresources.com
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What is Train LLM From Scratch?
train-llm-from-scratch is a step-by-step guide and codebase for training your own language model: downloading and preparing data, configuring training, and generating text with the result. A practical on-ramp to how LLMs are actually built.
Pros
- End-to-end, data to generation
- Clear and practical
- Free and open source
Cons
- Needs GPU resources for real runs
- Time-intensive by nature
- Covers fundamentals, not frontier scale
Who should use Train LLM From Scratch
Developers and students who want to genuinely understand LLM training by doing it.
Who may not need it
People looking to just use AI tools, not build them.
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