[docs]: align FastH3 Preview v1 naming

Update the model card and package self-references after the server-side repository rename.

README.md

@@ -16,16 +16,18 @@ tags:
 - minimax-h3
 - fastvideo
 - fasth3
+- preview
 ---
 
-# FastVideo-FastH3-4-step-v1.1
+# FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300
 
-Private FastVideo evaluation snapshot of the `dmd2_sp2_fsdp64_v11_dataonly_mixed_vsa64` MiniMax-H3
-student at training step 1300. It generates synchronized video and audio
-with four transformer forwards.
+FastH3 4-Step Preview v1 checkpoint from FastVideo. This variant is the
+`dmd2_sp2_fsdp64_v11_dataonly_mixed_vsa64` synthetic-data DMD2 MiniMax-H3
+student at training step 1300. It generates synchronized video and audio with
+four transformer forwards and uses VSA-H3 at 90% sparsity.
 
-This repository is intentionally private. It is an internal checkpoint for
-evaluation and UI integration, not a public release recommendation.
+See the complete [FastH3 4-Step Preview v1
+collection](https://huggingface.co/collections/FastVideo/fastvideo-fasth3).
 
 ## Checkpoint identity
 
@@ -60,7 +62,7 @@ four-point scheduler grid.
 export FASTVIDEO_DMD_DENOISING_STEPS=999,749,500,250
 
 python examples/inference/basic/basic_fasth3.py \
-  --model-path FastVideo/FastVideo-FastH3-4-step-v1.1 \
+  --model-path FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300 \
   --prompt '<MiniMax-H3 T2AV prompt>' \
   --steps 5 \
   --num-gpus 4 \
@@ -70,22 +72,24 @@ python examples/inference/basic/basic_fasth3.py \
 ```
 
 The five scheduler grid points execute the four trained jumps. Use guidance
-scale 1.0 and VSA-H3 at 90% sparsity with 64-token tiles. Compilation is an optional runtime
-optimization; first validate output parity on the pinned FastVideo commit.
+scale 1.0 and VSA-H3 at 90% sparsity with 64-token tiles. Compilation is an
+optional runtime optimization; first validate output parity on the pinned
+FastVideo commit.
 
 ## Training summary
 
-- Method: data-only DMD2 on synthetic base-H3 video latents. The student is trained from forward-noised target latents; no data-free carried rollout is mixed into this run.
+- Method: data-only DMD2 on synthetic Base-H3 video latents. The student is
+  trained from forward-noised target latents; no data-free carried rollout is
+  mixed into this run.
 - Student grid: `[999, 749, 500, 250]`.
 - Student attention: VSA-H3 at 90% sparsity with 64-token tiles.
 - Global batch size: 64.
 - Student and critic learning rate: `2e-06` and
   `2e-06`.
 - Precision: fp32 training state and bf16 inference export.
-- Training topology: 64 GB200 GPUs, SP=2,
+- Training topology: 64 B200 GPUs, SP=2,
   HSDP replicate=1 / shard=64.
-- Strict continuous score clock: `True`;
-  shift `2.4`, warp max `0.999`.
+- Continuous score-clock shift: `2.4`; warp max: `0.999`.
 
 ## Limitations
 

fastvideo_inference.json

@@ -11,7 +11,7 @@
   ],
   "fastvideo_commit": "6ac300b5a7c472e3a139f1cb3ff7a03b58f3e26e",
   "guidance_scale": 1.0,
-  "model_id": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+  "model_id": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
   "num_gpus": 4,
   "num_inference_steps": 5,
   "schema_version": "fasth3-inference-contract-v1",

modular_model_index.json

@@ -6,7 +6,7 @@
     "diffusers",
     "MiniMaxH3Scheduler",
     {
-      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
       "revision": null,
       "subfolder": "audio_scheduler",
       "type_hint": [
@@ -20,7 +20,7 @@
     "diffusers",
     "AutoencoderKLMiniMaxH3Audio",
     {
-      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
       "revision": null,
       "subfolder": "audio_vae",
       "type_hint": [
@@ -34,7 +34,7 @@
     "transformers",
     "Qwen3VLProcessor",
     {
-      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
       "revision": null,
       "subfolder": "processor",
       "type_hint": [
@@ -48,7 +48,7 @@
     "diffusers",
     "MiniMaxH3Scheduler",
     {
-      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
       "revision": null,
       "subfolder": "scheduler",
       "type_hint": [
@@ -62,7 +62,7 @@
     "transformers",
     "Qwen3VLForConditionalGeneration",
     {
-      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
       "revision": null,
       "subfolder": "text_encoder",
       "type_hint": [
@@ -76,7 +76,7 @@
     "transformers",
     "Qwen2TokenizerFast",
     {
-      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
       "revision": null,
       "subfolder": "tokenizer",
       "type_hint": [
@@ -90,7 +90,7 @@
     "diffusers",
     "MiniMaxH3Transformer3DModel",
     {
-      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
       "revision": null,
       "subfolder": "transformer",
       "type_hint": [
@@ -118,7 +118,7 @@
     "diffusers",
     "AutoencoderKLMiniMaxH3",
     {
-      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+      "pretrained_model_name_or_path": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
       "revision": null,
       "subfolder": "vae",
       "type_hint": [

provenance.json

@@ -13,7 +13,7 @@
   ],
   "fastvideo_commit": "6ac300b5a7c472e3a139f1cb3ff7a03b58f3e26e",
   "lineage_parent_run_id": "20260823T191211Z-v11-dataonly-sp2-initial",
-  "model_id": "FastVideo/FastVideo-FastH3-4-step-v1.1",
+  "model_id": "FastVideo/FastVideo-FastH3-4-step-Preview-v1-VSA-Synthetic-Step1300",
   "schema_version": "fasth3-checkpoint-provenance-v1",
   "source_config_sha256": "b1e0bd319ba7dddb8ff0a9db9bcdb3182b9d645c43fe3fcce60d678a092ae8c5",
   "student_dtype": "bfloat16",