Granite Switch 4.1 8B

User reports Granite Switch 4.1 8B at 56 t/s chat on an M5 Max 128GB, with the 30B at 17 t/s. Setup is mlx-lm with a custom granite_switch package, 8-bit MLX weights, greedy decoding, one request at a time, medians of 3 runs. The 4-bit builds reach 98 t/s (8B) and 32 t/s (30B). Decision steps take 0.62 s on the 8B and 2.3 s on the 30B at a ~1.2K-token prompt. Accuracy on 500 labelled claims is 0.814 (8B 8-bit), 0.844 (30B 8-bit) and 0.840 (30B 4-bit), against 0.812 and 0.846 for the bf16 conversions. The user picks the 8B 8-bit for routing and classification.