Two 7-DoF arms
Each arm has seven degrees of freedom and a 5 kg rated payload when held horizontally, according to the official product page. [1]
Product overview
About Astribot S1
The Astribot S1 is an upper-body humanoid from Stardust Intelligence, which markets it under the Astribot name. The official product page lists a 170 cm height, an 80 kg weight and a 194 cm arm span, with seven degrees of freedom per arm and a rated payload of 5 kg per arm when held horizontally (s1).
The company positions the S1 for research institutions, data centers, AI companies and developers. The product page describes a tightly integrated hardware and software architecture for AI, and an SDK and toolchain with an API, development guides, a visual interface, simulation support and an end-to-end deployment guide. It also describes VR teleoperation for collecting data (s1). Astribot's stated end-effector repeatability is ±0.1 mm, or ±0.5 mm after special training (s1).
Stardust Intelligence formally released the complete S1 on 19 August 2024 and showed it at the 2024 World Robot Conference (s4, s5). A June 2026 report said the company had delivered more than 1,000 units by the end of 2025 (s3). The product page has no checkout. Its only action is a consultation button that leads to a business-cooperation contact page, and no public price is listed (s1, s6).
Capabilities
Key features
Sub-millimeter end-effector repeatability
End-effector repeatability is ±0.1 mm, or ±0.5 mm after special training, according to the official product page. [1]
SDK and deployment toolchain
The product page lists an API, development guides, a visual interface, simulation support and an end-to-end deployment guide. [1]
VR teleoperation for data collection
The product page describes VR teleoperation used to collect data for the robot. [1]
Official 4–6 hour runtime
The official runtime range is 4 to 6 hours, and the product page says plug-in power is supported. [1]
Hardware profile
Specifications
Official — stated by the manufacturer or organizerReported — stated by a credible third partyEstimated — derived or approximate
Body
Power
- Runtime
- 4 hOfficial — stated by the manufacturer or organizer[1]Official range 4-6 h; lower bound shown
Hands & Manipulation
- Payload
- 5 kgOfficial — stated by the manufacturer or organizer[1]Rated per arm when held horizontally
Compute & Sensing
Show unknown fields (11)
Body
- Total DoF
- Not published
Mobility
- Maximum speed
- Not published
- Peak joint torque
- Not published
- Actuation
- Not published
Power
- Battery
- Not published
- Charge time
- Not published
- Swappable battery
- Not published
Hands & Manipulation
- DoF per hand
- Not published
- Hand / end effector
- Not published
Compute & Sensing
- Onboard compute
- Not published
- Sensors
- Not published
Quick answers
Astribot S1 FAQ
Can you buy Astribot S1?
Astribot S1 is available through an official sales inquiry rather than a public checkout page. [1][6]
How tall is Astribot S1 and how much does it weigh?
Astribot S1 is 170 cm tall and weighs 80 kg (Official page; a third-party wiki gives about 90 kg). [1]
How long does the Astribot S1 battery last?
The stated runtime is 4 hours per charge; Official range 4-6 h; lower bound shown. [1]
How much can Astribot S1 carry?
The listed payload is 5 kg; Rated per arm when held horizontally. [1]
Who makes Astribot S1?
Astribot S1 is made by Stardust Intelligence (Astribot), based in China. [1]
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Evaluation footprint
Benchmarks & competitions
No benchmark embodiments or results reference this robot yet.
Related
Similar robots
Evidence
Sources
- [1]Astribot S1 specifications (product page) ↗Stardust Intelligence (Astribot) · official · accessed Oct 8, 2026
- [2]Astribot (Stardust Intelligence) official website ↗Stardust Intelligence · official · accessed Oct 8, 2026
- [3]Stardust Intelligence completes Series B (Pencil News via 36Kr) ↗36Kr · press · accessed Oct 8, 2026
- [4]Advanced humanoid robots debut at Beijing's World Robot Conference 2024 (Circuit Digest) ↗Circuit Digest · press · accessed Oct 8, 2026
- [5]Stardust Intelligence formally releases Astribot S1 ↗Sina AI · press · accessed Oct 8, 2026
- [6]Astribot contact page (business cooperation) ↗Stardust Intelligence (Astribot) · official · accessed Oct 8, 2026