TOMORROW’S TECH
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pi-0.5

Physical Intelligence · #22 most active of 27 in Robotics

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Open-weight VLA policies that transfer across robot embodiments and novel homes.

Current version

pi-0.5

Entry cost

Open weights via openpi

Changes / 30d

0

Capabilities

  • cross-embodiment transfer
  • open-world generalisation
  • open checkpoints

Pricing

Open weights via openpi

Entry price over time

Not enough pricing history yet — we start charting from the second observation.

Geek mode

Models under the hood

  • pi-0.5 VLA

    Physical Intelligence

    disclosed

  • PaliGemma backbone

    Google

    disclosed

Context window

—

Public API

yes

Multi-model routing

no

Stack signals

  • flow matching
  • JAX
  • LeRobot compatible

Shared model stack

Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.

  • PaliGemma backboneGoogle · 1 product
  • pi-0.5 VLAPhysical Intelligence · 1 product

green disclosed · amber inferred · grey unknown

Reported scale

Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.

No public usage figure on record for this product.

Also in Robotics

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Figure 03

Figure

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Version
Figure 03
Cost
Commercial pilots, price undisclosed
Model
Helix
Isaac GR00T

NVIDIA

1

Open humanoid foundation model

Version
GR00T N1.6
Cost
Open weights, hardware sold separately
Model
GR00T N1.6
Unitree G1

UnitreeChina

1

Low-cost humanoid platform

Version
G1 / G1 EDU
Cost
from $16000/mo
Model
UnifoLM world model
Walker S2

UBTechChina

1

Industrial humanoid with hot-swap battery

Version
Walker S2
Cost
Reported unit price around $100k in China
Model
In-house planning stack
Waymo Driver

Waymo

1

Commercial driverless ride-hailing system

Version
5th-gen Driver
Cost
Per-ride fares comparable to premium rideshare
Model
Waymo Foundation Model
AgiBot

AgiBotChina

Chinese humanoid maker shipping units at volume.

Version
A2
Cost
Unit sales
Model
GO-1

Change history

  • model

    pi-0.5 open checkpoints published in openpi

    pi-0pi-0.5

    source