USC and Yale propose KronQ for state-of-the-art 2-bit LLaMA-3-70B quantization
burkov · x · 2026-07-24
Researchers from USC and Yale introduce KronQ, a post-training quantization framework for large language models.
What it does
- Targets 2-bit weight-only quantization on LLaMA-3-70B
- Incorporates gradient covariance via a Kronecker-factored Hessian
- The authors say it reaches state-of-the-art results for this setting
Why it matters
- Existing methods reportedly fail to converge in this regime
- KronQ is positioned as a more stable way to push LLM compression to very low bit-widths without collapsing optimization
The post links to an AI tutor for reading the work.
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