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bi-lawm-robotwin-stage3-only
GT-111/bi-lawm-robotwin-stage3-only
bi-lawm-robotwin-stage3-only is a robotics model from GT-111. Use it for the robotics task on the model card, and read the license before you ship it in a product.
Repository: GT-111/bi-lawm-robotwin-stage3-only (renamed from lawam-robotwin-steps68000 on 2026-08-31; the old URL redirects here).
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Public
Updated Aug 31, 2026
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163 GB
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.pt85.1 GB · 52%
At a glance
- Task
- Robotics
- Access
- Public
- Created
- Aug 24, 2026
- Updated
- Aug 31, 2026
- SHA
- 4c57f2e9
Model card
From the Hugging Face model README
Bi-LaWM RoboTwin Stage3-Only — Policy From Scratch
Repository: GT-111/bi-lawm-robotwin-stage3-only (renamed from lawam-robotwin-steps68000 on 2026-08-31; the old URL redirects here).
Intermediate checkpoints from the RoboTwin Stage3-only policy-from-scratch training run of Bi-LaWM.
The Stage3 policy was trained without a pretrained policy checkpoint. It uses the RoboTwin Stage1 BiLAM export as its latent-action model initialization, so “from scratch” here refers specifically to the policy training stage rather than the complete Bi-LaWM stack.
Checkpoints
| Hub path | Training step | Format |
|---|---|---|
checkpoints/step-010000/ | 10,000 | Full sharded FSDP training checkpoint |
checkpoints/step-020000/ | 20,000 | Full sharded FSDP training checkpoint |
checkpoints/step-030000/ | 30,000 | Full sharded FSDP training checkpoint |
checkpoints/step-040000/ | 40,000 | Full sharded FSDP training checkpoint |
checkpoints/step-050000/ | 50,000 | Full sharded FSDP training checkpoint |
checkpoints/step-060000/ | 60,000 | Full sharded FSDP training checkpoint |
checkpoints/step-068000/ | 68,000 | Latest published full sharded FSDP training checkpoint |
Each checkpoint contains the model shards, per-rank optimizer and RNG states, scheduler state, and trainer_state.json. These are resumable distributed-training checkpoints rather than merged inference-only weights.
Experiment
- Project: Bi-LaWM
- Dataset/environment: RoboTwin
- Stage: Stage3 policy training
- Policy initialization: from scratch (no pretrained policy checkpoint)
- Latent-action initialization: RoboTwin Stage1 BiLAM export
- Training plan: 100k steps
- Published interval: every 10k steps, plus the latest available 68k checkpoint
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Use these checkpoints with the matching Bi-LaWM code and FSDP configuration. For inference or evaluation, export/merge the selected distributed checkpoint with the project checkpoint tooling first.
- Task
- Robotics
- Created
- Aug 24, 2026
- Updated
- Aug 31, 2026