You need generated or transformed visual data
Inspect the exact Cosmos model family and its current license. Check whether the output format and limitations meet your data-generation use case.
Curated comparison · World models and simulation
NVIDIA Cosmos vs traditional robot simulation
A world-model platform and a physics simulator occupy different parts of a robotics workflow. The comparison asks whether you need generated visual worlds, a controllable simulated system, or both.
Source contextPrimary specReviewed
Sources 5
NVIDIA/Cosmos official repository
NVIDIA · 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.
isaac-sim/IsaacSim official repository
isaac-sim · 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.
Isaac Sim v6.1.0 release
NVIDIA · Published 2026-09-10 · Source accessed 2026-09-28
Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied.
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.
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 dimension | NVIDIA Cosmos Exact revision / scope Cosmos 3 platform Primary specReviewed Sources 1NVIDIA/Cosmos official repository NVIDIA · 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. | NVIDIA Isaac Sim Exact revision / scope v6.1.0 Primary specReviewed Sources 1Isaac Sim v6.1.0 release NVIDIA · Published 2026-09-10 · Source accessed 2026-09-28 Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied. | MuJoCo Exact revision / scope 3.14.0 Primary specReviewed Sources 1MuJoCo 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. |
|---|---|---|---|
| Developer The developer identity does not establish a deployment relationship. | NVIDIA Primary specReviewed Sources 1NVIDIA/Cosmos official repository NVIDIA · 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. | NVIDIA Primary specReviewed Sources 1isaac-sim/IsaacSim official repository isaac-sim · 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. | Google DeepMind and contributors Primary specReviewed Sources 1google-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. |
| Exact version Keep generations, checkpoints and software revisions separate. | Cosmos 3 platform Primary specReviewed Sources 1NVIDIA/Cosmos official repository NVIDIA · 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. | v6.1.0 Primary specReviewed Sources 1Isaac Sim v6.1.0 release NVIDIA · Published 2026-09-10 · Source accessed 2026-09-28 Exact tag or commit inspected through official GitHub metadata; no local benchmark execution implied. | 3.14.0 Primary specReviewed Sources 1MuJoCo 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. |
| System or model type Choose alternatives that address the same decision. | World-model platform Primary specReviewed Sources 1NVIDIA/Cosmos official repository NVIDIA · 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 application Primary specReviewed Sources 1isaac-sim/IsaacSim official repository isaac-sim · 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. | Articulated-body physics engine Primary specReviewed Sources 1google-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. |
| Access conditions Availability of a paper is distinct from access to a model or service. | Public model collection, code and workflows Primary specReviewed Sources 1NVIDIA/Cosmos official repository NVIDIA · 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 repository and downloadable simulator Primary specReviewed Sources 1isaac-sim/IsaacSim official repository isaac-sim · 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 code and platform binaries Primary specReviewed Sources 1google-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. |
| License / reuse Code, checkpoints, datasets and assets can have different terms. | Not publicly disclosed | Apache-2.0 repository code; additional simulator components have separate terms Primary specReviewed Sources 1isaac-sim/IsaacSim official repository isaac-sim · 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 code; CC BY 4.0 documentation Primary specReviewed Sources 1google-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. |
| Inputs Observation and scene formats determine integration work. | Text, vision, sound and action, depending on model Primary specReviewed Sources 1NVIDIA/Cosmos official repository NVIDIA · 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. | USD scenes; robot descriptions; controller interfaces Primary specReviewed Sources 1isaac-sim/IsaacSim official repository isaac-sim · 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. | Mechanical models, controls and contact parameters Primary specReviewed Sources 1google-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. |
| Outputs An action policy, image generator and simulator return different outputs. | Reasoning or generated multimodal world outputs Primary specReviewed Sources 1NVIDIA/Cosmos official repository NVIDIA · 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. | Simulated physics, sensors and synthetic data Primary specReviewed Sources 1isaac-sim/IsaacSim official repository isaac-sim · 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 state and rendered observations Primary specReviewed Sources 1google-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. |
| Integrations Verify exact versions, interfaces and support responsibilities. | Not publicly disclosed | URDF/MJCF robot imports; ROS interfaces; Isaac Lab learning workflows Primary specReviewed Sources 1isaac-sim/IsaacSim official repository isaac-sim · 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. | C API, Python bindings, Unity plugin and MJX Primary specReviewed Sources 1google-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. |
| Compute Confirm requirements for the intended workload. | Not publicly disclosed | Not publicly disclosed | Not 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 explicit dynamics and control
Inspect the simulator’s physical model, sensors, control interfaces and validation assumptions. Generated video does not itself establish physically validated interaction.
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
NVIDIA/Cosmos official repository
NVIDIA · Repository · Publication date not disclosed · Source accessed 2026-09-28
License: Current Cosmos 3 source and models: OpenMDW-1.1 as stated by repository; third-party terms separate. 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.
Referenced by 3 records: NVIDIA · What Is a World Model for Robotics? · NVIDIA Cosmos
isaac-sim/IsaacSim official repository
isaac-sim · Repository · Publication date not disclosed · Source accessed 2026-09-28
License: Apache-2.0 repository code; NVIDIA and third-party component terms apply separately. 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.
Referenced by 5 records: NVIDIA · Agriculture · Physical AI Stack Explained · NVIDIA Isaac Sim · NVIDIA Omniverse
Isaac Sim v6.1.0 release
NVIDIA · Official release · Published 2026-09-10 · 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.
Referenced by 2 records: Agriculture · NVIDIA Isaac Sim
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.
Referenced by 5 records: Google DeepMind · What Is a World Model for Robotics? · Physical AI Stack Explained · Physical AI Market Map · MuJoCo
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.
Referenced by 1 record: MuJoCo