1-bit Quantization Shrinks Kimi K3 by 62% While Retaining 1M Context
rohanpaul_ai · x · 2026-08-01
A developer tested the 1-bit quantized version of Kimi K3 locally. This quantization reduces the massive 2.8T model to 590GB (a 62% decrease) while retaining 78.7% of the original quality and the full 1 million context window.
In an HTML 3D physics engine test, the quantized model running on 4x B200 GPUs successfully handled drop physics. Notably, it was the only model to correctly build a working winch mechanism, outperforming cloud models like Opus 5.
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