Lightberry · social humanoid
Lumi
An interactive greeter robot from a San Francisco startup, built on a Unitree G1 body with Lightberry's own head (animated eyes, 3-DoF neck), grippers and conversation software.; It is sold for events, guiding and storytelling
- Price
- $39,990Cheaper than 40%
- Height
- 130 cmTaller than 19%
- Weight
- 40 kgHeavier than 24%
- Payload
- —Not published
- Speed
- —Not published
- Battery
- 3.5 hRuns longer than 44%
Not sure this is the one? Find the best robot for your job Starts with: greet and guide customers. Five more quick questions.
Why it matters
Lumi is on the market today.
Real-world use
No customers or deployments reported yet.
Maker
LightberryCompany · San Francisco, California, United StatesHow it stacks up
Against other humanoids that publish the figure. Pick a measure.
Lumi is taller than 19% of the 305 other humanoids that publish a height. Bars show the 7 closest in date.
Lumi is heavier than 24% of the 277 other humanoids that publish a weight. Bars show the 7 closest in date.
Lumi has more joints than 58% of the 236 other humanoids that publish a joints. Bars show the 7 closest in date.
Lumi runs longer than 44% of the 119 other humanoids that publish a battery. Bars show the 7 closest in date.
Lumi costs less than 40% of the 85 other humanoids that publish a price. Bars show the 7 closest in date.
Not published by the maker: speed, payload.
What it has been shown doing
We checked public videos and press for Lumi and found no clear demo of the skills we track yet.
Public attention
A hidden gem: a recent robot with full published specs that gets little attention so far.
- No Wikipedia article of its own yet
- 1 news story from reputable press listed on this page
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-14; same method for every robot. How it is measured
What’s inside
The parts the company has talked about publicly.
- Movement
- Walks on legs · 34 joints
- Chip
- Jetson T4000 (NVIDIA)Jetson Thor T4000 with 64 GB on Lightberry's own board replaces the stock Unitree G1 computer.
- Actuators & motors
- Unitree G1 body (29 DoF) plus a 3-DoF neck (nod, shake, tilt); 34 DoF in total.
- Hands
- 1-DoF parallel grippers.
- Sensors & vision
- Dual stereo cameras at 1920 x 1200 per eye, 30 fps; custom 8-microphone beamforming array (made in Brooklyn) to filter fan noise; speakers.
- Compute
- NVIDIA Jetson Thor T4000 with 64 GB unified memory on Lightberry's own board, replacing the stock G1 computer; 10 Gb networking for external sensors.
- Battery & power
- 421 Wh; about 2.5-3.5 hours.
- Materials & build
- Rounded character-style shell in yellow with animated digital eyes; 1.3 m, about 40 kg.
- AI & software
- Lightberry OS and SDK; 'split-brain' design with perception, motor control, voice-activity detection and face tracking on the robot and language, persona and planning on cloud frontier models; on-device fallback when offline; owners shape personality, voice and knowledge by talking to it.
- Other details
- Founder Edition run of 100 units at $39,990 including one year of software (valued at $20,000 a year); usage-based software tiers afterwards. Uses: events, greeting, guiding, storytelling and photos.
Named suppliers:NVIDIAUnitree Robotics
From the maker
Lumi is the only humanoid from Lightberry in the atlas.
Made, sold and where
Unit counts are usually company figures; analysts often disagree.
- Price
- $39,990Founder Edition (100 units) $39,990 including one year of software; maker aims to lower hardware toward $20,000 later.
- How to get one
- No official buying page found
- Built
- Initial Founder Edition run of 100 units
- Sold or delivered
- Reservations open; shipping stated as 2026
- Where it is sold or used
- Sensor stack integrated and assembled in San Francisco on an imported Unitree G1 body
News
The latest 1, newest first. Summaries are ours; tap through for the original.
- Lightberry unveils $40K Lumi on a Unitree core
Humanoids Daily reported Lumi's G1-based design, Jetson Thor compute and 100-unit Founder Edition, and noted open questions over new US import rules.
Humanoids Daily
Side by side with its peers
Picked by the same rules for every humanoid: another maker’s robot that moves the same way, is at the same stage and does at least one of the same main jobs, first shown within two years. Closer size and price rank higher. How we choose
| Measure | No public photo yetWe only show photos we're allowed to useLumiLightberry |  SproutFauna RoboticsSame jobs: entertainment, retail · Both walk · Both on sale or in pilots · Similar size · Similar price |  Lumen S1Guanggu Dongzhi (Hubei Guanggu Dongzhi Embodied Intelligence)Same jobs: social, entertainment · Both walk · Both on sale or in pilots · Similar size |  E1Noetix RoboticsSame jobs: social, entertainment · Both walk · Both on sale or in pilots · Similar size |
|---|---|---|---|---|
| First shown | 2026-08-29 | 2026-01-27 | 2026-02-06 | 2025-08 |
| Status | Commercial | Commercial | Pilot use | Commercial |
| Height | 130 cm | 107 cm | 130 cm | 136 cm |
| Weight | 40 kg | 22.7 kg | 35 kg | — |
| Joints | 34 | 29 | 40 | 21 |
| Speed | — | — | 6.5 km/h | 4.3 km/h |
| Payload | — | — | — | — |
| Battery | 3.5 h | — | 2 h | 2 h |
| Price | $39,990 | $50,000 | — | — |
Sources
Figures come from the maker. Every link below backs something on this page.
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