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[release]: initialize FastH3 Preview v1 LoRA bundle
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{
"schema_version": "fasth3-lora-bundle-v1",
"model_id": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-LoRA",
"visibility": "private",
"base_model": "MiniMaxAI/MiniMax-H3",
"sampling": {
"transformer_forwards": 4,
"scheduler_points": 5,
"base_timesteps": [999, 749, 500, 250],
"guidance_scale": 1.0
},
"variants": [
{
"slug": "vsa-datafree",
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"adapter_path": "vsa-datafree/adapter_model.safetensors",
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"adapter_sha256": "42dc502a2078f166c396a1fa75f29728d1844363652d345d5ef3e2b444ed6470",
"source_repo": "FastVideo/FastH3-4-step-v1-LoRA",
"source_revision": "317ac01648c4d367ec792e960ece12abe38662b0",
"source_path": "rank-64/adapter_model.safetensors",
"full_checkpoint": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-DataFree",
"training_step": 1300,
"training_source": "prompts-only",
"attention": "vsa-h3-90pct-tile64",
"requires_vsa": true
},
{
"slug": "vsa-synthetic-step1300",
"display_name": "VSA / Synthetic / Step 1300",
"adapter_path": "vsa-synthetic-step1300/adapter_model.safetensors",
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"adapter_sha256": "de6af1ea8b2f4b31a7ac3752b4836f88671199fdf277a5dd922f9cca3bea7b65",
"source_repo": "FastVideo/FastH3-4-step-v1.1-LoRA",
"source_revision": "47ac7540f4af979620652e85e41562e711c2b0e2",
"source_path": "rank-64/adapter_model.safetensors",
"full_checkpoint": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
"training_step": 1300,
"training_source": "synthetic-base-h3",
"attention": "vsa-h3-90pct-tile64",
"requires_vsa": true
},
{
"slug": "vsa-synthetic-step1900",
"display_name": "VSA / Synthetic / Step 1900",
"adapter_path": "vsa-synthetic-step1900/adapter_model.safetensors",
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"adapter_sha256": "bbac632dffb828d99123ab06c7ff3efc246351bed63d1860b4252e61dafeaed8",
"source_repo": "FastVideo/FastH3-4-step-v1.2-LoRA",
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"source_path": "rank-64/adapter_model.safetensors",
"full_checkpoint": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1900",
"training_step": 1900,
"training_source": "synthetic-base-h3",
"attention": "vsa-h3-90pct-tile64",
"requires_vsa": true
},
{
"slug": "dense-datafree",
"display_name": "Dense / Data-Free",
"adapter_path": "dense-datafree/adapter_model.safetensors",
"adapter_rank": 64,
"adapter_size_bytes": 1485626152,
"adapter_sha256": "4ce198c83132251b7fd0de2503823aa49c53983f068318f66cb19eaefb7fcc12",
"source_repo": "FastVideo/FastH3-Dense-4-step-v1-LoRA",
"source_revision": "2cadb1af70f165338f99790e4bbda9daa1557b1b",
"source_path": "rank-64/adapter_model.safetensors",
"full_checkpoint": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-Dense-DataFree",
"training_step": 1000,
"training_source": "prompts-only",
"attention": "dense",
"requires_vsa": false
}
]
}