{"name":"MiniMax H3 Reddit Community Evidence Dataset","description":"A curated dataset of public Reddit reports about MiniMax H3 hardware, VRAM, generation speed, workflows and community observations, normalized with configuration context and evidence labels.","date_modified":"2026-08-29","record_count":8,"records":[{"thread_id":"1vyuyxo","source_platform":"reddit","thread_title":"Can I run MiniMax H3 locally on an RTX 2060 with 6GB VRAM?","thread_url":"https://www.reddit.com/r/comfyui/comments/1vyuyxo/can_i_run_minimax_h3_locally_on_an_rtx_2060_with/","subreddit":"r/comfyui","published_at":"2026-08-26","captured_at":"2026-08-29","score_snapshot":16,"comment_count_snapshot":null,"topic":"6GB low-VRAM feasibility","gpu":"NVIDIA GeForce RTX 3060 6GB","gpu_architecture":"Ampere","vram_gb":6,"system_ram_gb":null,"operating_system":null,"generation_mode":null,"resolution_width":512,"resolution_height":768,"duration_seconds":15,"steps":6,"checkpoint":null,"precision":null,"quantization":null,"attention_method":"H3 SLA attention and low-VRAM attention nodes","cache_method":null,"offloading_method":"ComfyUI --lowvram with chunked feed-forward","reported_generation_seconds":660,"reported_result":"A commenter reports about 11 minutes at 6 steps; 8 steps took about 15 minutes.","claim":"One optimized RTX 3060 6GB workflow produced a 15-second 512×768 clip, with resolution and speed compromises.","sentiment":"mixed","evidence_type":"community_report","verification_status":"source_confirmed","notes":"The thread title asks about an RTX 2060. The measured result belongs to an RTX 3060 6GB commenter and must not be attributed to the 2060."},{"thread_id":"1vkeqel","source_platform":"reddit","thread_title":"Minimax H3 - Speeding It Up On LowVRAM (12GB)","thread_url":"https://www.reddit.com/r/comfyui/comments/1vkeqel/minimax_h3_speeding_it_up_on_lowvram_12gb/","subreddit":"r/comfyui","published_at":"2026-08-10","captured_at":"2026-08-29","score_snapshot":39,"comment_count_snapshot":null,"topic":"12GB I2V optimization","gpu":"NVIDIA GeForce RTX 3060 12GB","gpu_architecture":"Ampere","vram_gb":12,"system_ram_gb":32,"operating_system":"Windows 10","generation_mode":"image-to-video","resolution_width":null,"resolution_height":null,"duration_seconds":5,"steps":4,"checkpoint":"Comfy-Org MiniMax H3 INT8 model","precision":null,"quantization":"INT8; W4A8 discussed as an experimental alternative","attention_method":"SageAttention","cache_method":null,"offloading_method":"KJNodes chunking for low VRAM","reported_generation_seconds":1500,"reported_result":"The poster reports about 25 minutes for a roughly 2MP, five-second 16:9 I2V run.","claim":"A 12GB workflow can reach a larger output area, but the poster describes substantial render time and ongoing workflow experimentation.","sentiment":"mixed","evidence_type":"community_report","verification_status":"source_confirmed","notes":"The thread compares LightX2V four- and six-step LoRAs and explicitly describes the workflow as work in progress."},{"thread_id":"1ve3115","source_platform":"reddit","thread_title":"Minimax h3 12gb vram + 64ram","thread_url":"https://www.reddit.com/r/comfyui/comments/1ve3115/minimax_h3_12gb_vram_64ram/","subreddit":"r/comfyui","published_at":"2026-08-03","captured_at":"2026-08-29","score_snapshot":364,"comment_count_snapshot":null,"topic":"12GB default T2V timing","gpu":"NVIDIA GeForce RTX 4070","gpu_architecture":"Ada Lovelace","vram_gb":12,"system_ram_gb":64,"operating_system":null,"generation_mode":"text-to-video","resolution_width":608,"resolution_height":352,"duration_seconds":10,"steps":20,"checkpoint":"Default ComfyUI MiniMax H3 workflow","precision":null,"quantization":null,"attention_method":null,"cache_method":null,"offloading_method":null,"reported_generation_seconds":167,"reported_result":"The poster reports 167 seconds for a 608×352 default T2V run at 20 steps.","claim":"A short low-resolution default-workflow run completed in under three minutes on this specific RTX 4070 and 64GB RAM setup.","sentiment":"positive","evidence_type":"community_demo","verification_status":"source_confirmed","notes":"The poster later reported faster default-setting runs after a fresh install and adding SageAttention; those later timings are not merged into this record."},{"thread_id":"1vflhue","source_platform":"reddit","thread_title":"MiniMax H3 image-to-video on a 4070 Ti SUPER — 5-second clips in roughly 5-6 minutes","thread_url":"https://www.reddit.com/r/comfyui/comments/1vflhue/minimax_h3_imagetovideo_on_a_4070_ti_super/","subreddit":"r/comfyui","published_at":"2026-08-04","captured_at":"2026-08-29","score_snapshot":75,"comment_count_snapshot":null,"topic":"16GB practical I2V workflow","gpu":"NVIDIA GeForce RTX 4070 Ti SUPER","gpu_architecture":"Ada Lovelace","vram_gb":16,"system_ram_gb":32,"operating_system":null,"generation_mode":"image-to-video","resolution_width":null,"resolution_height":null,"duration_seconds":5,"steps":20,"checkpoint":"Official pruned INT8 ConvRot H3 model","precision":null,"quantization":"INT8 ConvRot diffusion; quantized Qwen3-VL text encoder","attention_method":"SageAttention through KJNodes","cache_method":null,"offloading_method":null,"reported_generation_seconds":null,"reported_result":"The poster reports about five to six minutes at roughly 0.7 megapixels.","claim":"One carefully configured 16GB I2V workflow delivered direct 720-class output without an upscale or interpolation chain.","sentiment":"positive","evidence_type":"community_report","verification_status":"source_confirmed","notes":"The original workflow was based on the official ComfyUI H3 image-to-video template and then reorganized for this setup."},{"thread_id":"1vk4ib7","source_platform":"reddit","thread_title":"If you are VRAM limited, you NEED to try this MiniMax-H3 setup — saved ~10GB+ VRAM and eliminated swapping","thread_url":"https://www.reddit.com/r/comfyui/comments/1vk4ib7/if_you_are_vram_limited_you_need_to_try_this/","subreddit":"r/comfyui","published_at":"2026-08-09","captured_at":"2026-08-29","score_snapshot":83,"comment_count_snapshot":null,"topic":"Memory optimization without speed gain","gpu":"NVIDIA GeForce RTX 5090","gpu_architecture":"Blackwell","vram_gb":null,"system_ram_gb":null,"operating_system":null,"generation_mode":null,"resolution_width":null,"resolution_height":null,"duration_seconds":5,"steps":null,"checkpoint":"pruned W4A8 mixed component combination","precision":"Mixed","quantization":"W4A8, INT4 text encoder, INT8 video VAE","attention_method":null,"cache_method":null,"offloading_method":"Reduced shared-GPU-memory swapping","reported_generation_seconds":null,"reported_result":"The poster reports roughly 14GB less shared-memory pressure while generation speed stayed about the same.","claim":"Reducing the model component footprint can remove swapping and latency spikes without making core inference faster.","sentiment":"positive","evidence_type":"community_report","verification_status":"source_confirmed","notes":"The source names an RTX 5090 but does not state a VRAM amount in the report, so vram_gb remains null."},{"thread_id":"1vvdqar","source_platform":"reddit","thread_title":"Minimax H3 + RTX Upscaler test: Single prompt, 13s raw output","thread_url":"https://www.reddit.com/r/comfyui/comments/1vvdqar/minimax_h3_rtx_upscaler_test_single_prompt_13s/","subreddit":"r/comfyui","published_at":"2026-08-22","captured_at":"2026-08-29","score_snapshot":18,"comment_count_snapshot":null,"topic":"High-precision workstation demo","gpu":"NVIDIA RTX PRO 6000 Blackwell","gpu_architecture":"Blackwell","vram_gb":96,"system_ram_gb":128,"operating_system":null,"generation_mode":"reference-to-video","resolution_width":null,"resolution_height":null,"duration_seconds":13,"steps":null,"checkpoint":"ComfyUI built-in MiniMax H3 reference-to-video","precision":"BF16 diffusion + BF16 text encoder","quantization":null,"attention_method":null,"cache_method":null,"offloading_method":null,"reported_generation_seconds":1380,"reported_result":"The poster reports about 23 minutes for a 13-second, 24fps, roughly 1MP BF16+BF16 run.","claim":"Very large VRAM does not make a high-precision, longer-duration workflow directly comparable with optimized consumer runs.","sentiment":"mixed","evidence_type":"community_demo","verification_status":"source_confirmed","notes":"RTX upscaling and Premiere Pro were post-processing steps; the reported generation time refers to the base H3 run."},{"thread_id":"1vyynqf","source_platform":"reddit","thread_title":"Fastest Minimax H3 MacOS Workflow on Comfy Desktop","thread_url":"https://www.reddit.com/r/comfyui/comments/1vyynqf/fastest_minimax_h3_macos_workflow_on_comfy_desktop/","subreddit":"r/comfyui","published_at":"2026-08-26","captured_at":"2026-08-29","score_snapshot":7,"comment_count_snapshot":null,"topic":"Apple Silicon workflow","gpu":"Apple M4 Max","gpu_architecture":"Apple Silicon","vram_gb":null,"system_ram_gb":48,"operating_system":"macOS","generation_mode":"reference-to-video","resolution_width":null,"resolution_height":null,"duration_seconds":5,"steps":4,"checkpoint":"Official H3 Ref2VA pruned INT8 ConvRot workflow with Turbo LoRA","precision":null,"quantization":"INT8 ConvRot diffusion; NVFP4 AWQ text encoder","attention_method":"SolAttn for Apple Silicon","cache_method":"Spectrum optimization","offloading_method":"Apple unified-memory workflow","reported_generation_seconds":408,"reported_result":"The poster reports 6m48s at four steps and 10m50s at eight steps for 480p, 24fps, five-second output.","claim":"A specific M4 Max 48GB workflow can run H3 locally, but timing and setup should not be generalized to other Apple Silicon devices.","sentiment":"mixed","evidence_type":"community_report","verification_status":"source_confirmed","notes":"The workflow also uses a live preview node and requires Apple-Silicon-specific custom nodes and initialization steps."},{"thread_id":"1vw036i","source_platform":"reddit","thread_title":"30-Second MiniMax H3 Seamless Image-to-Video Workflow For 12GB GPUs @ 14 Minute Render Time","thread_url":"https://www.reddit.com/r/comfyui/comments/1vw036i/30second_minimax_h3_seamless_imagetovideo/","subreddit":"r/comfyui","published_at":"2026-08-23","captured_at":"2026-08-29","score_snapshot":318,"comment_count_snapshot":null,"topic":"Community extended 30-second workflow","gpu":null,"gpu_architecture":null,"vram_gb":12,"system_ram_gb":null,"operating_system":null,"generation_mode":"community multi-shot image-to-video extension","resolution_width":null,"resolution_height":null,"duration_seconds":30,"steps":null,"checkpoint":null,"precision":null,"quantization":null,"attention_method":null,"cache_method":"H3MultishotMemorySampler","offloading_method":null,"reported_generation_seconds":889,"reported_result":"The poster reports a 14m49s iteration that assembles three ten-second shots into a 30-second result.","claim":"A community workflow extends H3 with multi-shot sampling and stitching; it is not evidence of native official 30-second generation.","sentiment":"positive","evidence_type":"community_report","verification_status":"source_confirmed","notes":"COMMUNITY EXTENDED WORKFLOW. Do not treat this as MiniMax H3 official native duration support."}]}