Instructions to use AlexWortega/tinyvla with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- LeRobot
How to use AlexWortega/tinyvla with LeRobot:
# No code snippets available yet for this library. # To use this model, check the repository files and the library's documentation. # Want to help? PRs adding snippets are welcome at: # https://github.com/huggingface/huggingface.js
- Notebooks
- Google Colab
- Kaggle
FINAL v4-allchannels checkpoint @ 60k global steps (11.5M samples, 163-dataset physical-ai stream)
Browse files
tinyvla_b200/ckpt_v4_global60k/README.md
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# v4-allchannels ФИНАЛ: 60k глобальных шагов на nvidia/physical-ai
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Завершён 2026-09-01. Итог прогона physical_ai_v4 (см. tinyvla_b200/B200.md).
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## Архитектура
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TinyVLA-2 v4 "all-channels": демо K=3 в attention stream LM (vlm_native) +
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числовой дескриптор морфологии (conditioning=morph, 6 GR00T-семейств) +
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текст робота. Инициализация от tinyvla2/pretrain_C_qwen_morph
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(state_proj 16->256 и голова 8->64 переинициализированы).
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## Обучение
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Стриминг с хаба: 163 LeRobot-v2.x датасета коллекции nvidia/physical-ai,
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214.7M исходных кадров, 10 Гц, native actions, per-source нормализация.
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60 000 глобальных шагов x eff.batch 192 = 11.5M семплов (~13% эпохи пула).
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Финальный train-loss (flow MSE) ~0.10-0.16.
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Прогон шёл в 3 сегмента (2 OOM даталоадера + отсутствовавший set_epoch;
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все фиксы в tinyvla_b200/): LR-расписание перезапускалось на резюмах.
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Железо: 1x H100 SXM (vast 8.5ч + RunPod ~30ч), ~130 семплов/с.
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## Использование
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```python
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from tinyvla.modeling_tinyvla import TinyVLAPolicy # src из tinyvla_b200/
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policy = TinyVLAPolicy.from_pretrained("<этот каталог>")
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```
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Контракт входа и известные ограничения — как у ckpt_v4_global20k
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(zero-shot на чужой эмбодимент не работает; демо-канал не валидирован
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на контент-чувствительность).
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tinyvla_b200/ckpt_v4_global60k/config.json
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{
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"type": "tinyvla",
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"n_obs_steps": 1,
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"input_features": {
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"observation.images.cam0": {
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"type": "VISUAL",
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"shape": [
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3,
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256,
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256
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]
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},
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"observation.images.cam1": {
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"type": "VISUAL",
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"shape": [
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3,
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256,
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256
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]
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},
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"observation.state": {
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"type": "STATE",
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"shape": [
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256
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]
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}
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},
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"output_features": {
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"action": {
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"type": "ACTION",
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"shape": [
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64
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]
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}
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},
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"device": "cuda",
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"use_amp": false,
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"use_peft": false,
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"push_to_hub": true,
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"repo_id": null,
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"private": null,
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"tags": null,
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"license": null,
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"pretrained_path": null,
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"pretrained_revision": null,
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"chunk_size": 50,
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"n_action_steps": 50,
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"normalization_mapping": {
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"VISUAL": "IDENTITY",
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"STATE": "MEAN_STD",
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"ACTION": "MEAN_STD"
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},
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"max_state_dim": 256,
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"max_action_dim": 64,
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"num_embodiments": 16,
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"max_cameras": 3,
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"conditioning": "morph",
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"morph_tokens": 2,
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"morph_to_slow": false,
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"num_morph_readout": 4,
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"morph_text_max_len": 32,
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"use_demo_conditioning": false,
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"n_support": 3,
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"support_other_task": true,
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"demo_tokens_per_example": 4,
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"demo_visual_groups": 4,
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"demo_action_keys": 8,
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"demo_hidden_mult": 4,
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"vlm_native": true,
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"num_action_readout": 16,
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"demo_action_keys_lm": 4,
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"demo_only": false,
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"action_space": "native",
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"image_size": 256,
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"freeze_vision_encoder": true,
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"lm_model_name": "Qwen/Qwen3.5-0.8B",
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"lm_num_layers": 12,
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"num_readout_tokens": 8,
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"freeze_lm": false,
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"tokenizer_max_length": 48,
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"pad_language_to": "longest",
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"expert_dim": 512,
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"expert_layers": 12,
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"expert_heads": 8,
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"use_semantic_latent": true,
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"use_spatial_tokens": true,
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"spatial_vocab": 1024,
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"spatial_loss_weight": 0.0,
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"num_denoise_steps": 10,
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"flow_beta_alpha": 1.5,
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"flow_beta_beta": 1.0,
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"min_period": 0.004,
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"max_period": 4.0,
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"staleness_prob": 0.0,
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"staleness_max_s": 2.0,
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"optimizer_lr": 0.0001,
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"optimizer_betas": [
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0.9,
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0.95
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],
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"optimizer_eps": 1e-08,
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"optimizer_weight_decay": 1e-10,
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"optimizer_grad_clip_norm": 10.0,
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"scheduler_warmup_steps": 1000,
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"scheduler_decay_steps": 40000,
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"scheduler_decay_lr": 2.5e-06
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}
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tinyvla_b200/ckpt_v4_global60k/model.safetensors
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version https://git-lfs.github.com/spec/v1
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oid sha256:cf429b5c0980b03bd5c5a56853d4a54a88b5a367dcbd2e82f9a51641f2751254
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size 2579973864
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