... because they are often the first to quant it. sometimes the actually model providers will release wrong chat templates or values in the model config which leads to bad quants. how would you know a quant is good if you don't make one? you don't. so they make it first, then they run a lot of tests, KD, perplexity, etc, they publish it. They take feedback from the community, then they update if needed. if you want to try it right now, you grab it else wait for a week or 2.