Company

Tau Robotics

Tau Robotics is a San Francisco-based humanoid robotics company building a general AI for robots.

Founded: 2024
HQ: San Francisco, California, USA
Status: private

Models

Deployments

Overview

Tau Robotics is a San Francisco-based humanoid robotics company building a general AI for robots. Founded by Alexander Koch and Cornelia Weinzierl, the company launched a humanoid cleaning service in San Francisco at $30/hour in July 2026, with humanoids jointly controlled by human operators and AI. Koch previously created the widely-adopted low-cost Koch robotic arm, later popularized through Hugging Face's LeRobot framework.

Verified record

Verified deployments: 1 deployment on file
Active incidents: None on file

Key facts

CEO

Alexander Koch

Co-founder

Cornelia Weinzierl

Service price

$30/hour

Service type

Humanoid cleaning (house, deep, office)

Control mode

Jointly controlled by human operator and AI

Funding stage

Pre-Seed

Lead investor

Pebblebed

Total fundingsee investors →

~$3M (reported)

Data & sources

Web sources

3 sources backing this record.View all →

Models (1)

View all models →

Current platform

Tau Humanoid

A humanoid robot designed for household and office cleaning tasks, deployed as part of Tau's cleaning service in San Francisco. Each unit is jointly controlled by a human operator and AI, performing tasks like vacuuming, surface cleaning, and trash removal. Named units include Chelsea, Elon, and Tony.

humanoidView model →

Tau Robotics on the deployment map

Where Tau Robotics's robots are verified operating. Explore the deployment map by place and type.

Relationships

PPebblebedInvestor TTau RoboticsCustomer

Current leadership (3)

Alexander Koch CEO & Co-foundersecondary-verified
Alexander Koch Co-foundersecondary-verified
Cornelia Weinzierl Co-foundersecondary-verified

Safety record

No incidents on record for Tau Robotics.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Full safety record: incidents, sourcing, and exposure data →

Operated deployments (1)

Tau HumanoidSan Francisco, California, USA

Operator customers (1)

Tau Robotics1 deployment

Recent coverage

Tau Robotics in third-party press

Today, we're launching Tau's humanoid cleaning service in San Francisco at $30 per hour

Jul 28, 2026

But why does it have so many antennas? Tau Robotics launches humanoid cleaning service

Jul 28, 2026

Koch v1.1 - LeRobot Documentation — low-cost robot arm by Alexander Koch (Tau Robotics)

Sep 6, 2024

Financial state

Reporting basis: private_reported
Lifecycle stage: early
Counterparty risk class: moderate

Each numeric field carries its own basis marker. Aggregators report a number; this surface preserves the source class so verification depth travels with the value.

Funding rounds (1)

Pre-Seed
Investors: Pebblebed (lead)

See the full valuations ranking →

Recent activity

Every change to this record is dated, sourced, and independently verified where marked.

Record createdJul 28, 2026
Added to the verified registry
Deployment recordedJul 28, 2026
Tau Humanoid at San Francisco, California, USA

Full change history →

Sources (3)

Tau Robotics | Humanoid Cleaning Service in San Francisco · https://www.tau-robotics.com/ · 2026-07-28
Alexander Koch: CEO and Co-Founder of Tau Robotics · https://www.alexkoch.ai/ · 2026-07-28
Tau Robotics - Crunchbase Company Profile · https://www.crunchbase.com/organization/tau-robotics · 2026-07-28

Common questions

What is Tau Robotics?

What does Tau Robotics make?

Tau Robotics has 1 robot model on the DEPLOY registry: Tau Humanoid (Tau Robotics builds both physical robots and the AI that runs them).

Is Tau Robotics publicly traded?

No. Tau Robotics is privately held and not publicly traded, per the DEPLOY registry.

Who is the CEO of Tau Robotics?

Alexander Koch is the ceo of Tau Robotics, per the DEPLOY registry.

How can I invest in Tau Robotics?

Tau Robotics is a private company; its shares are not available on public markets, so retail investors cannot buy the stock today.

Where is Tau Robotics headquartered?

Tau Robotics is headquartered in San Francisco, California, USA.

Who owns Tau Robotics?

Tau Robotics is privately held; ownership sits with its founders and private investors.

Where does Tau Robotics operate robots?

Tau Robotics operates 1 verified deployment, including at San Francisco, California, USA.

When was Tau Robotics founded?

Tau Robotics was founded in 2024.

Is Tau Robotics safe?

Tau Robotics has no incidents on record in the DEPLOY registry. This does not constitute a safety guarantee; it reflects the incidents DEPLOY has tracked and verified to date.

Methodology: Verified · 3 sources (no primary) · last reviewed 2026-07-28

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-07-28

Sources by quality tier

3: unclassified; Unclassified source

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.