Curated comparison · Physics and robotics workflows

MuJoCo vs Gazebo

MuJoCo and Gazebo overlap in simulation but offer different abstractions and integration paths. This comparison frames the implementation decision; it does not claim one physics engine wins every workload.

Source contextPrimary specReviewed
Sources 4
google-deepmind/mujoco official repository

google-deepmind · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

MuJoCo 3.14.0 release

Google DeepMind · Published 2026-09-22 · Source accessed 2026-09-28

Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied.

gazebosim/gz-sim official repository

gazebosim · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Gazebo Sim 10 Jetty release

Gazebo maintainers · Publication date not disclosed · Source accessed 2026-09-28

Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied.

Reviewed 9 decision dimensionsNo universal winner
Version and date boundaries matter. The exact revision below defines each column. A deployment of an earlier revision is not evidence that a newer revision is in production. Missing fields remain unknown.

On small screens, swipe the table horizontally. Each row carries its own source and review date.

Decision dimensionMuJoCo Exact revision / scope
3.14.0
Primary specReviewed
Sources 1
MuJoCo 3.14.0 release

Google DeepMind · Published 2026-09-22 · Source accessed 2026-09-28

Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied.

Gazebo Exact revision / scope
Gazebo Sim 10 Jetty; gz-sim10_10.0.0
Primary specReviewed
Sources 1
Gazebo Sim 10 Jetty release

Gazebo maintainers · Publication date not disclosed · Source accessed 2026-09-28

Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied.

Developer

The developer identity does not establish a deployment relationship.

Google DeepMind and contributors
Primary specReviewed
Sources 1
google-deepmind/mujoco official repository

google-deepmind · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Gazebo and Open Robotics community
Primary specReviewed
Sources 1
gazebosim/gz-sim official repository

gazebosim · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Exact version

Keep generations, checkpoints and software revisions separate.

3.14.0
Primary specReviewed
Sources 1
MuJoCo 3.14.0 release

Google DeepMind · Published 2026-09-22 · Source accessed 2026-09-28

Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied.

Gazebo Sim 10 Jetty; gz-sim10_10.0.0
Primary specReviewed
Sources 1
Gazebo Sim 10 Jetty release

Gazebo maintainers · Publication date not disclosed · Source accessed 2026-09-28

Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied.

System or model type

Choose alternatives that address the same decision.

Articulated-body physics engine
Primary specReviewed
Sources 1
google-deepmind/mujoco official repository

google-deepmind · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Robot simulation framework
Primary specReviewed
Sources 1
gazebosim/gz-sim official repository

gazebosim · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Access conditions

Availability of a paper is distinct from access to a model or service.

Public code and platform binaries
Primary specReviewed
Sources 1
google-deepmind/mujoco official repository

google-deepmind · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Public gz-sim source and ecosystem packages
Primary specReviewed
Sources 1
gazebosim/gz-sim official repository

gazebosim · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

License / reuse

Code, checkpoints, datasets and assets can have different terms.

Apache-2.0 code; CC BY 4.0 documentation
Primary specReviewed
Sources 1
google-deepmind/mujoco official repository

google-deepmind · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Apache-2.0 gz-sim library
Primary specReviewed
Sources 1
gazebosim/gz-sim official repository

gazebosim · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Inputs

Observation and scene formats determine integration work.

Mechanical models, controls and contact parameters
Primary specReviewed
Sources 1
google-deepmind/mujoco official repository

google-deepmind · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

SDF worlds, models and plugins
Primary specReviewed
Sources 1
gazebosim/gz-sim official repository

gazebosim · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Outputs

An action policy, image generator and simulator return different outputs.

Physics state and rendered observations
Primary specReviewed
Sources 1
google-deepmind/mujoco official repository

google-deepmind · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Physics, rendered sensors and transport messages
Primary specReviewed
Sources 1
gazebosim/gz-sim official repository

gazebosim · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Integrations

Verify exact versions, interfaces and support responsibilities.

C API, Python bindings, Unity plugin and MJX
Primary specReviewed
Sources 1
google-deepmind/mujoco official repository

google-deepmind · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

SDF models; Gazebo Physics, Rendering and Transport libraries
Primary specReviewed
Sources 1
gazebosim/gz-sim official repository

gazebosim · Publication date not disclosed · Source accessed 2026-09-28

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

Compute

Confirm requirements for the intended workload.

Not publicly disclosedNot publicly disclosed

Choose based on your constraints.

These are evaluation paths, not a ranking. Verify the current terms and run a task-specific trial before committing.

You need a compact control experiment

Inspect MuJoCo’s model description and programming APIs against the experiment you intend to run, including the specific contact and actuation behavior.

You need a robotics application environment

Inspect Gazebo’s world, sensor and middleware configuration for the chosen release. Test the complete software connection to your robot application.

Evidence gaps to resolve

  • Published fields describe the identified revision only; configuration and source dates may differ.
  • No matched independent operating trial is asserted by this comparison. Missing price, reliability and intervention figures remain unknown.
  • Benchmark results require the same protocol, inputs and revision context. Cross-benchmark totals are not calculated.
Inspect the evidence

Sources & evidence

md-mujoco
google-deepmind/mujoco official repository

google-deepmind · Repository · Publication date not disclosed · Source accessed 2026-09-28

License: Apache-2.0 code; CC BY 4.0 documentation. Factual summary and attribution only; no upstream prose, images, weights, or dataset redistributed.

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

md-mujoco-release
MuJoCo 3.14.0 release

Google DeepMind · Official release · Published 2026-09-22 · Source accessed 2026-09-28

Factual summary and attribution only; no upstream prose, images, weights, or dataset redistributed.

Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied.

md-gazebo
gazebosim/gz-sim official repository

gazebosim · Repository · Publication date not disclosed · Source accessed 2026-09-28

License: Apache-2.0 library code. Factual summary and attribution only; no upstream prose, images, weights, or dataset redistributed.

Official README inspected live. Repository code terms do not automatically cover model weights, data, or third-party assets.

md-gazebo-release
Gazebo Sim 10 Jetty release

Gazebo maintainers · Official release · Publication date not disclosed · Source accessed 2026-09-28

Factual summary and attribution only; no upstream prose, images, weights, or dataset redistributed.

Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied.