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Humanoid

Cassie Blue

Discontinued

Built by Agility Robotics · United States

Updated May 2026·methodology
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The Cassie Blue is a Humanoid robot developed by Agility Robotics (United States), launched 2009. Key specifications: form factor research platform, height 182.88 cm, weight 55 kg, mobility bipedal. The Cassie Blue has been discontinued by the manufacturer.

Robo Index

BB

Speculative — thin evidence

5 of 10 signals present

Recomputed nightly from public data. Missing data is skipped, never zero-filled — and rankings are never for sale.

Weighted factors

average of the 5 scored · blanks don't count

Commercial maturity15%10/100
Deployment footprint22%unknown
Proven track record9%100/100
Spec completeness11%100/100
Company financial health15%91/100
Company maturity4%55/100
Manufacturer portfolio4%51/100
Media mentions (trailing 12 months)15%unknown
Independent recognition3%unknown
Market momentum1%unknown
Discontinued

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Overview

Michigan Anthropomorphic Biped With Electronic Legs is a humanoid robot, first introduced in 2009. world's fastest bipedal robot with knees

Flagship features

  • Designed with springs in the powertrain for enhanced shock absorption and energy storage
  • Capable of walking efficiently on uneven terrain
  • Collaboration with institutions like Carnegie Mellon University
  • Emphasis on public domain research and open-source algorithms
  • Demonstrated record for fastest walking speed among bipedal robots at 1.5 m/s

Buyer decision signals

Viability

$158.8M raisedest. 2015

One-year anniversary of full-time commercial deployment

Availability

research-only

Specifications

Category: Humanoid
Form factor
research platform
Height
182.88 cm
Weight
55 kg
Mobility
bipedal
Walking speed
3.04 m/s
Total DOF
10
Onboard compute
PC mounted on the upper body
Sensors
IMU, contact sensors, joint encoders
LiDAR
Yes
Stair climbing
Yes
Terrain
snow, rocks, stairs
Maturity
prototype
Environments
indoor
Industries
research, robotics
VerifiedSelf-reportedEstimated

Company profile

Funding raised
$158.8M
Founded
2015

Detailed specifications

Other15
Height Mm
1829
Applications
research
Sub Category
bipedal
Datasheet Url
Preview PDF online
Max Speed M S
3.6
Company Country
US
Running Capable
run_capable
Deployment Notes
RABBIT has undergone various experiments at GIPSA, Grenoble, showcasing its capabilities in running and walking.
Running Speed Ms
3.04
Country Of Origin
USA
Is Research Grade
true
Target Industries
research_academic
Availability Status
research-only
Primary Applications
research_development
Additional Information
- Designed with springs in the powertrain for enhanced shock absorption and energy storage. - Capable of walking efficiently on uneven terrain. - Collaboration with institutions like Carnegie Mellon University. - Emphasis on public domain research and open-source algorithms. - Demonstrated record for fastest walking speed among bipedal robots at 1.5 m/s.

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Company milestones

  • Oct 2025DeploymentOne-year anniversary of full-time commercial deployment
  • Jun 2024DeploymentDigit begins regular GXO operations
  • Mar 2024LaunchAgility Arc launched at MODEX 2024
  • 2025MilestoneNew Digit capabilities unveiled at ProMat
  • 2025MilestoneDigit described as first humanoid robot in production deployment
  • 2024AwardInaugural RBR50 Robot of the Year
  • 2024DeploymentOver 100,000 totes moved in live commercial deployment
  • 2024FundingSeries B financing

More videos

Cassie Assembly Time-lapse

Agility

Cassies Take a Tour of Agility Robotics

Agility

Frequently asked questions

Who makes the Cassie Blue?
The Cassie Blue is developed by Agility Robotics, based in United States.
What type of robot is the Cassie Blue?
The Cassie Blue is a Humanoid robot made by Agility Robotics.
How much does the Cassie Blue cost?
Pricing for the Cassie Blue is not publicly listed — contact Agility Robotics for a quote.
When was the Cassie Blue launched?
The Cassie Blue was launched in 2009.
What are the key specifications of the Cassie Blue?
Key specifications of the Cassie Blue: form factor research platform, height 182.88 cm, weight 55 kg, mobility bipedal, walking speed 3.04 m/s.

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