karpathy/nanochat

The best ChatGPT that $100 can buy.

Python57K stars8K forks+705 today

What it does

nanochat is a Python project that enables the training of GPT-2 level language models at a fraction of the cost, making advanced AI capabilities more accessible. It includes optimizations and a leaderboard to track progress in reducing training time.

Star history

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Tracking

Last trending: 2026-04-25

Creator kit

Hook

Revolutionize your language model training with nanochat! Train GPT-2 level models for under $100. 🚀 #AI #MachineLearning

Content angles

Create tutorials on how to use nanochat for training custom language models.
Analyze the cost and time efficiency improvements over traditional methods.
Explore the leaderboard updates and share insights from community contributions.

Who should care

Researchers, developers, data scientists interested in AI and machine learning.