DeepSeek V4 Flash 284B (13B active)

User reports DeepSeek-V4-Flash-0731-UD-Q4_K_XL at 45 t/s and 512k context as their primary coding model, across a multi-GPU setup of an RTX 6000 Pro Blackwell 96GB, 2x RTX 5090, an RTX 4090, 3x AMD R9700, and a Strix Halo laptop. Other models in use are GLM-4.7-flash, Gemma-4-12B-it, KAT-Coder-V2.5-Dev, LFM2.5-VL-1.6B, GLM-5.2-UD, Kimi-K2.7-Code, and MiniMax-M3. The user is dissatisfied with the workflow, describing it as a good fast worker or a good thinker but not both, and notes that switching models kills the cache.