vlabench.dev

OpenVLA

Canonical Summary

7B open VLA trained on 970k robot demonstrations, using Llama 2 with fused DINOv2 and SigLIP features.

Lead Organization
Stanford / UC Berkeley
Key Technical Metric
7B; 970k demos
Maturity / Status
arXiv v3
Governance / License
Open code and checkpoints

Technical Specifications

Parameters 7B
Training trajectories 970k real-world robot demonstrations
Backbone Llama 2 with DINOv2 and SigLIP
Reported gain +16.5% absolute success vs RT-2-X (55B) across 29 tasks
Fine-tune comparison +20.4% vs Diffusion Policy on language-grounded multi-object tasks
Verification: verified · Retrieved: 2026-10-19 · Primary Source Reference