{ "release_date": "2026-08-04", "checkpoint": "FL2VA/minimax-h3-fl2va-int8-lean-convrot-table-k16-g4097-quality21.safetensors", "bytes": 22484074696, "gib": 20.939926333725452, "sha256": "ad0cf8b50ba92068b5a4477527d5da73412a22db99cded35b07195504e78cf6a", "tensor_keys": 872, "dtype_key_counts": { "F32": 282, "BF16": 250, "I8": 170, "U8": 170 }, "checks": { "safetensors_open": "pass", "int8_quant_blobs": "170/170, ConvRot group size 256", "bf16_main_policy": "30/30 present and bitwise equal to raw HF", "non_time_tensors": "871/871 preserved bit-for-bit during the final stock-table conversion", "adaln_table": "FP32 [4097, 16]; exact on all stored grid rows", "midpoint_coordinate_relative_error": 2.2216029265109682e-6, "adaln_relative_error_19_timesteps": { "block_0": 3.5589840763350367e-7, "block_24": 3.818931020305172e-7, "block_49": 3.5121175301355834e-7, "final": 3.042201797143207e-7 }, "comfyui_cpu_load": "pass on clean unmodified ComfyUI: ModelPatcher -> MiniMaxH3Model; table [4097,16]; no time_embedder", "comfyui_tested_commit": "14b05228cef127ce529bc0c08660770d4af3e9a8" }, "sampled_main_matrix_proxy": { "method": "deterministic 64 output rows per matrix, all input columns, 200/200 main matrices", "official_absmax_mean_relative_error_percent": 0.934502442367375, "quality21_effective_mean_relative_error_percent": 0.7638806365430355, "relative_reduction_percent": 18.258037442053465, "selected_bf16_official_proxy_mean_percent": 1.0684306019296248, "remaining_int8_absmax_mean_percent": 0.9108680612681544, "remaining_int8_searched_scale_mean_percent": 0.898683101815336, "remaining_int8_relative_reduction_percent": 1.3377304541619235, "warning": "This is a weight-reconstruction proxy, not an end-to-end generation or perceptual benchmark." }, "not_yet_tested": [ "GPU load through ComfyUI", "peak VRAM at a target resolution/frame count", "end-to-end FL2VA generation", "same-seed visual/audio A/B against BF16 and official pruned checkpoints" ] }