MuJoCo
MuJoCo is a free, open-source physics simulation engine developed by Google DeepMind, providing research-grade simulation for robotics, biomechanics, graphics, and animation researchers worldwide.
- Company typePrivate
- Founded-
- Headquarters—
- Headcount—
- GTM typeB2B
- OfferingSoftware
MuJoCo firmographics
Firmographics- Name
- MuJoCo
- Legal name
- DeepMind Technologies Limited
- Website
- https://www.mujoco.org/
- Company type
- Private
- Operating status
- Operating
- Short description
- MuJoCo is a free, open-source physics simulation engine developed by Google DeepMind, providing research-grade simulation for robotics, biomechanics, graphics, and animation researchers worldwide.
- Ownership category
- akta.pro rank
MuJoCo industry classification
Industry- Product category
- Physics Simulation Software
- NAICS
- Custom Computer Programming Services (541511), Computer Systems Design and Related Services (54151), Computer Systems Design Services (541512)
- SIC
- Services-Computer Integrated Systems Design (7373), General Industrial Machinery & Equipment, Nec (3569)
- akta.pro primary industry
- Embedded & OEM Analytics (HDAEAMAC)
Keywords
MuJoCo business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure
Revenue model
- Open Source Free Distribution: MuJoCo is provided free of charge as an open source project. There is no commercial revenue model; the project is maintained by Google DeepMind for research and development purposes in robotics and related fields.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Pay-as-you-go | Free open source software |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels3 records
MuJoCo product offering
Product offeringCore offering
MuJoCo is a free and open source physics engine written in ANSI C that simulates complex dynamical systems for research in robotics, biomechanics, graphics, and animation. It is designed from the ground up for model-based optimization, particularly optimization through contacts, combining speed, accuracy, and modeling power to support optimal control, state estimation, system identification, and automated mechanism design.
Product overview
MuJoCo is a single unified product — a free and open-source physics simulation engine developed by Google DeepMind. It is not a modular platform but rather a dedicated physics engine designed specifically for model-based optimization and contact-rich dynamics simulation. The product is distributed as a run-time module written in ANSI C, featuring an intuitive XML model format (MJCF) with a built-in model compiler, and includes a cross-platform GUI with interactive 3D visualization in OpenGL. The engine supports research applications in robotics, biomechanics, graphics, animation, and other areas where fast and accurate simulation is required.
Differentiator
Problem solved
Functional benefit
Products and services
- MuJoCo Physics Engine
Quantifiable outcome
- Fast and accurate simulation enabling real-time applications
- +1 more outcomes
Companies that use MuJoCo
Customer profileSegments4 records
Ideal customer profiles3 records
MuJoCo technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature11 records
MuJoCo partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Google DeepMindcoreGoogle DeepMind is the developer and trademark holder of MuJoCo. The project is maintained as an open source initiative under Google's research division, providing institutional backing and long-term maintenance assurance for the physics simulation engine.
Scale indicators1 record
Recent moves4 records
Expansion highlights3 records
MuJoCo competitors and assessment
Company assessmentBroad incumbents
- NVIDIA PhysX / Isaac Sim: NVIDIA's physics simulation stack (PhysX engine and Isaac Sim robotics platform) targets the same robotics research and simulation-for-AI market as MuJoCo, with much deeper commercial resources and tight GPU integration. It is the most structural competitor because it pairs physics simulation with hardware (Isaac Lab, Orbit, etc.) that researchers increasingly prefer.
- Havok: Havok (Microsoft) is a long-established commercial physics engine used in games, film, and simulation. It serves overlapping graphics/animation/gaming-side use cases that MuJoCo supports, though its primary market is entertainment rather than robotics research.
Direct peers
- Bullet Physics (PyBullet): Bullet / PyBullet is a widely-used open source rigid-body physics engine in Python, used heavily in robotics and reinforcement learning research. It directly competes with MuJoCo in RL benchmarking and contact-rich robotic manipulation, and has been displaced in many benchmarks by MuJoCo's accuracy advantages.
- Brax (Google DeepMind): Brax is Google DeepMind's differentiable physics simulator for rigid bodies and soft bodies, also distributed under the DeepMind open source umbrella. It overlaps MuJoCo in reinforcement-learning and robotics simulation use cases and offers differentiable simulation that MuJoCo does not natively emphasize.
- DART (Dynamic Animation and Robotics Toolkit): DART is an open source physics library focused on articulated robot dynamics with collision detection and constraints, used widely in robotics and biomechanics. It targets the same researcher persona as MuJoCo (robotics control and biomechanics) with comparable contact-dynamics rigor.
- Drake: Drake is an MIT-developed C++/Python toolbox for planning, control, and analysis of robotic systems with built-in rigid-body dynamics. It is a direct peer in the model-based robotics research tooling space and is frequently used alongside or instead of MuJoCo for manipulation and locomotion research.
- Open Dynamics Engine (ODE): ODE is a longstanding open source rigid-body physics engine used in robotics simulation, games, and academic research. It is a direct functional alternative to MuJoCo in research contexts, though it has been progressively displaced for contact-rich manipulation use cases by newer engines.
Emerging players
- Pinocchio: Pinocchio is an open source library for rigid-body dynamics widely used in robotics and optimal-control research, with a strong focus on efficient forward kinematics and dynamics. It is complementary to MuJoCo — many researchers use both — but competes directly for the same model-based optimization workloads.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
MuJoCo social profiles
Digital presenceMuJoCo financial estimates
Financial estimateRevenue estimate
Valuation estimate
MuJoCo leadership team
Management profileNumber of profiles
Profiles1 record
MuJoCo funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
MuJoCo M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about MuJoCo
What does MuJoCo do?
MuJoCo is a free and open source physics engine written in ANSI C that simulates complex dynamical systems for research in robotics, biomechanics, graphics, and animation. It is designed from the ground up for model-based optimization, particularly optimization through contacts, combining speed, accuracy, and modeling power to support optimal control, state estimation, system identification, and automated mechanism design.
Is MuJoCo a public or private company?
MuJoCo is a private company. It is classified as corporate owned and is currently operating.
When was MuJoCo founded?
MuJoCo was founded in -1.
How does MuJoCo make money?
One revenue line is on record: open Source Free Distribution.
Who are MuJoCo's main competitors?
Broad incumbents on record are NVIDIA PhysX / Isaac Sim and Havok. Direct peers are Bullet Physics (PyBullet), Brax (Google DeepMind), DART (Dynamic Animation and Robotics Toolkit), Drake and Open Dynamics Engine (ODE). Pinocchio is listed as an emerging player.
Does MuJoCo have an API?
No public API is recorded for MuJoCo.
What industry is MuJoCo in?
MuJoCo's product category is Physics Simulation Software. Its primary akta.pro industry code is HDAEAMAC, Embedded & OEM Analytics. Its NAICS code is 541511 and its SIC code is 7373.