Could just be resources available? Deepseek is the easiest to get up and running on hardware that's pretty readily available:

   unsloth/DeepSeek-V4-Flash-GGUF 4bit ~140GB
   unsloth/Kimi-K3-GGUF 4bit ~1.5TB
   unsloth/GLM-5.2-GGUF 4bit ~400GB