University of Tokyo · research humanoid
Saika
Upper-body humanoid with a torso, a 2-DoF neck, two 5-DoF arms and a head with a 2-DoF binocular camera arrangement and two ears, plus an 8-DoF three-fingered hand with 87 touch sensors. It was used to study catching thrown balls, groping for unknown objects and learning arm dynamics.
- Price
- —about US$8,000 development cost (not sold)
- Height
- —Not published
- Weight
- 8 kgHeavier than 3%
- Payload
- —Not published
- Speed
- —Not published
- Battery
- —Not published
Not sure this is the one? Find the best robot for your job Starts with: research and teaching. Five more quick questions.
Why it matters
Showed that a light, low-cost humanoid upper body (about 8 kg and about US$8,000 to develop) could do dynamic tasks like ball hitting and catching.
Real-world use
No customers or deployments reported yet.
Timeline
- First shown
- 1996
- Released
- Not yet
Maker
University of TokyoCompanyHow it stacks up
Against other humanoids that publish the figure. Pick a measure.
Saika is heavier than 3% of the 277 other humanoids that publish a weight. Bars show the 7 closest in date.
Not published by the maker: height, speed, payload, joints, battery, price.
Public attention
A historic robot: no longer sold or in use, so it is not ranked against current humanoids.
- No Wikipedia article of its own yet
- No recent press stories listed yet
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-13; same method for every robot. How it is measured
What’s inside
No component details published yet.
- Hands
- dexterous
- Movement
- Stationary
From the maker
Saika is the only humanoid from University of Tokyo (Inoue-Inaba lab) in the atlas.
Made, sold and where
No production or sales figures published yet.
- Price
- Not publishedabout US$8,000 development cost (not sold)
- How to get one
- No official buying page found
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. Few robots match closely, so these are the nearest matches. How we choose
| Measure | No public photo yetWe only show photos we're allowed to useSaikaUniversity of Tokyo (Inoue-Inaba lab) |  CogMIT Humanoid Robotics Group (Rodney Brooks, Lynn Andrea Stein)Same job: research · Both fixed in place · Both past robots |  DB (Dynamic Brain)ATR and JST ERATO Kawato Dynamic Brain Project, hardware by SARCOSSame job: research · Both fixed in place · Both past robots |  KentaUniversity of Tokyo JSK Lab (Ikuo Mizuuchi, Masayuki Inaba, Hirochika Inoue)Same job: research · Both fixed in place · Both past robots |
|---|---|---|---|---|
| First shown | 1996 | 1993 | 2000 | 2001 |
| Status | Retired | Retired | Retired | Retired |
| Height | — | — | 185 cm | — |
| Weight | 8 kg | — | 80 kg | — |
| Joints | — | — | 30 | — |
| Speed | — | — | — | — |
| Payload | — | — | — | — |
| Battery | — | — | — | — |
| Price | — | — | — | — |
Sources
Figures come from a published paper. Every link below backs something on this page.
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