This is a working 4bit GGUFv3 model of https://huggingface.co/neurolattice/WhiteRabbitNeo-33B-v1 .Visit this repo for more information. 
The GGUF from TheBloke doesn't work with the latest llama.cpp nor MLX (PR222)
I have converted and quantized and tested this one and works on both frameworks. 
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gguf region:us