Unsloth quantizes GLM-5.3 to 1-bit at 217GB with 76% accuracy retained

Unsloth quantized GLM-5.3 to a dynamic 1-bit version of 217GB, versus 1.5TB for BF16, retaining about 76% top-1 accuracy while cutting size by 83%. The team said a 1-bit build ran a simple snake game well in Unsloth Desktop. The post credits Z.ai's GLM-5.3-Flash and GLM-5.3 releases.