GLM-5.3

User asks whether upgrading from GLM-5.3 to Muse Spark 816B-A42B-NVFP is worth it, and reports getting around 120 tok/s with GLM-5.3 in NVFP4 on Blackwell. No engine, context length or KV cache quant is stated. The user says the only real gains they can see are Muse's vision encoder and better reasoning and long-horizon performance, and asks how Muse's speed compares. They add they are getting tired of chasing every new model release.