HarryR/z80ai
A 2-bit quantized language model that runs on 8-bit Z80 processors as CP/M .COM binaries.

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Z80-μLM is a conversational language model trained via quantization-aware training to run within 64KB RAM on vintage 1976-era Z80 processors. The project includes tools for training models in Python, exporting them as executable CP/M binaries, and includes pre-built examples like tinychat (a conversational chatbot) and guess (a 20 Questions game). Training data generation tools can leverage LLMs via Ollama or Claude API.
Frequently asked
- What is HarryR/z80ai?
- A 2-bit quantized language model that runs on 8-bit Z80 processors as CP/M .COM binaries.
- Is z80ai open source?
- Yes — HarryR/z80ai is an open-source project tracked on heatdrop.
- What language is z80ai written in?
- HarryR/z80ai is primarily written in Python.
- How popular is z80ai?
- HarryR/z80ai has 1.1k stars on GitHub.
- Where can I find z80ai?
- HarryR/z80ai is on GitHub at https://github.com/HarryR/z80ai.