MiniMax-H3 10Eros-Max beta3 (TURBO hybrid) — W4A8

• Format: asym_w4a8_int8, group_size=16, convrot_groupsize=256, per-tensor Lloyd-Max codebook + fp8 group scales (Kijai / comfy-kitchen W4A8 layout).
• Size: ~11.68 GB — 68.8% smaller than the ~40 GB bf16 source; fits a 24 GB card with headroom.
• Layers: 200 2D-linear layers quantized (96% of policy-targeted bytes); norms / first / last kept higher-precision (335 kept).
• Quantizer: comfyui-mixed-quantizer --format w4a8 --group-size 16 --codebook-mode fit.
• Reconstruction: relL2 ≈ 0.073 (per-format bound 0.25), SNR ≈ 22.8 dB, cos ≈ 0.9973 — validation 65 passed, 0 failed.
• Verified: loads via UNETLoader (convrot) and generates a coherent image in ComfyUI before publish.

Requirements

• ComfyUI ≥ v0.31.0 (native W4A8 loader) or the comfyui_w4a8_loader.patch.
• comfy-kitchen with AsymW4A8Int8Layout (PR #90).
• CUDA SM ≥ 8.0.