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Installation and model download

Environment and installation​

Create a dedicated Conda environment for LingBot-VLA:

conda create -n lingbotvla python=3.12 -y
conda activate lingbotvla

git clone https://github.com/Robbyant/lingbot-vla.git
cd lingbot-vla
bash install.sh

Download pretrained checkpoints​

ModelHugging FaceModelScopeDescription
LingBot-VLA-4BView modelView modelWithout depth distillation
LingBot-VLA-4B-DepthView modelView modelDistills 3D geometry from MoGe-2 and LingBot-Depth
python3 scripts/download_hf_model.py \
--repo_id robbyant/lingbot-vla-4b \
--local_dir lingbot-vla-4b

Checkpoints downloaded before May 1, 2026 may fail to load after the LeRobot v2.1 to v3.0 migration. Download the latest checkpoint if configuration decoding fails.

Prepare base checkpoints​

CheckpointUse
Qwen2.5-VL-3B-InstructVision-language backbone
MoGe-2-vitb-normalGeometry teacher for the depth-distilled model
LingBot-DepthDepth teacher for the depth-distilled model
export QWEN25_PATH=/path/to/Qwen2.5-VL-3B-Instruct

Continue to Prepare data or Post-training.