Mimo 2.5 310B (15B active)

User reports Mimo 2.5 stays fast at large context on dual RTX Pro 6000, using 5-to-1 sliding-window attention similar to Gemma 3. User also mentions Step 3.7 Flash with 3-to-1 sliding-window attention at ~40 t/s at 178k context. User notes MiniMax M3 and DeepSeek V4 have kernel issues on Blackwell consumer GPUs.