π0.5
π0.5 (also written pi0.5, pi 0.5, or π₀.₅, and pronounced "pi zero point five") is a vision-language-action model developed by the robotics company Physical Intelligence and released on April 22, 2025.
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π₀ (pi-zero)
π₀ (pronounced pi-zero and sometimes written pi0 or pizero) is a vision-language-action model (VLA) developed by the robotics foundation-model startup Physical Intelligence