# Tau Robotics: humanoid robotics company

Canonical ID: `6f73f1d3-9857-4871-b19b-c5513fdfaa37`

## Key facts

- **CEO:** [Alexander Koch](/people/alexander-koch.md)
- **Co-founder:** [Cornelia Weinzierl](/people/cornelia-weinzierl.md)
- **Service price:** $30/hour
- **Service type:** [Humanoid](/humanoids) cleaning (house, deep, office)
- **Control mode:** Jointly controlled by human operator and AI
- **Funding stage:** Pre-Seed
- **Lead investor:** [Pebblebed](/investors/pebblebed.md)
- **Total funding:** [~$3M (reported)](/investors.md) ([see investors](/investors.md))

- **Slug:** tau-robotics
- **Status:** private
- **Founded:** 2024
- **HQ:** San Francisco, California, USA
- **Category:** [Humanoids](/humanoids)

## Models

- [Tau Humanoid](/models/tau-humanoid.md) (humanoid) (id: `2ae416ba-2c8c-4afb-8e90-6000f3e06f79`)

## Current leadership (3)

- [Alexander Koch](/people/alexander-koch.md) CEO & Co-founder (secondary-verified)
- [Alexander Koch](/people/alexander-koch.md) Co-founder (secondary-verified)
- [Cornelia Weinzierl](/people/cornelia-weinzierl.md) Co-founder (secondary-verified)

## Supplies to

_No verified supply relationships on file. Supply-chain coverage is being added across the registry; check back as the seed populates this company's outbound edges._

_Outbound supply edges. Each appears when verified with at least two strong sources. Sources are append-only; corrections add new sources rather than rewrite history._

## Common questions

### What is Tau Robotics?

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.

### 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.

### 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.


## Sources (3)

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

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