firelex/jeff
Millisecond decisions, any domain: a 0.8B open "System 1" model that picks between your options with calibrated probabilities. One base, swappable LoRA…
★ 1,555Week rank 149 · star gain starts at the next snapshot
From the README
Jeff Millisecond decisions. Any domain.
Setup prompt
Paste this into Cursor or Claude Code. It only includes install lines found in the README, and it asks the agent to review the code first.
Set up the GitHub repository firelex/jeff (Millisecond decisions, any domain: a 0.8B open "System 1" model that picks between your options with calibrated probabilities. One base, swappable LoRA adapters, on your own hardware.). Repository: https://github.com/firelex/jeff Official install commands found in the README: git clone https://github.com/firelex/jeff && cd jeff uv sync --no-default-groups --extra lora # add --extra cuda on NVIDIA GPUs, --extra mac on Apple silicon uv run --no-default-groups hf download mstrasser/jeff-base --revision v1.3 --local-dir jeff-base-v1.3 uv run --no-default-groups hf download mstrasser/jeff-adapter-$name --revision v1.3 --local-dir adapters/$name uv run --no-default-groups --extra lora jeff-serve # add JEFF_BACKEND=mlx and --extra mac on Apple silicon Clone the repository and follow those steps. Do not invent package names or extra install commands. Review the code before running anything.
Buzz by window
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Spotted on
- HN @firelexSep 28, 2026
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