productionVLAOpen Source
pi0
by Physical Intelligence
Architecture
VLA
Parameters
~3B
Training Data
Multi-robot cross-embodiment dataset
License
Apache 2.0
Status
PRODUCTION
Open Source
Yes
Robots Supported
Unitree G1Unitree H1ARX5FrankaUR5
About
Physical Intelligence's foundation model for general-purpose robot control. pi0 achieves zero-shot generalization across diverse robot embodiments and tasks. pi0.5 (April 2025) extended capabilities to long-horizon multi-step tasks with improved spatial reasoning.
Key Differentiator
Zero-shot cross-embodiment generalization without task-specific fine-tuning
Funding Context
$600M Series A at $5.6B valuation (Nov 2024), backed by Bezos, OpenAI, Thiel
Milestones
2024-10pi0 model announced with cross-embodiment demo
2024-11$600M Series A at $5.6B valuation
2025-02pi0 open-sourced under Apache 2.0
2025-04pi0.5 released with long-horizon task planning
2025-09Production deployments begin with logistics partners
2025-04π0.5 released — improved generalization to unseen environments
2025-11Series B closed $600M at ~$5.6B valuation
2026-03In talks for $1B Series C at >$11B valuation (Bloomberg)