cosmos

NVIDIA Cosmos is an open platform of world models, datasets, and tools that enables developers to build Physical AI for robots, autonomous vehicles, smart infrastructure, and more.

93 articles 9.3k View on GitHub ↗
93 articles
Comparing Cosmos 3 Reasoner versus Generator Modes for Different Use Cases

Explore NVIDIA Cosmos 3's Reasoner and Generator modes. Learn which mode suits vision-language understanding and media creation tasks for optimal results.

comparisons
Jul 3, 2026
How to Use Cosmos 3 for Embodied Reasoning and Next-Action Prediction

Leverage Cosmos 3 an omnimodal world model for embodied reasoning and next-action prediction. Use its causal transformer Reasoner surface to plan tasks from video and text inputs.

how-to-guide
Jul 3, 2026
Running Supervised Fine-Tuning on Cosmos 3 Vision Generators: A Complete Guide

Learn to run supervised fine-tuning on Cosmos 3 vision generators with NVIDIA's cookbook scripts. Automate dataset prep, multi-GPU training, and checkpoint export for your custom video data.

how-to-guide
Jul 3, 2026
Implementing Video-to-Video Transformation with Prompt Guidance in Cosmos 3

Learn how to implement video-to-video transformation with prompt guidance in Cosmos 3. This guide covers using textual prompts and spatial controls for powerful video generation.

how-to-guide
Jul 3, 2026
Using Cosmos 3 for Physical Plausibility Analysis and Classification: A Complete Guide

Learn how to use Cosmos 3 for physical plausibility analysis and classification. This guide covers the omni-model's two-step workflow for video synthesis and LLM-vision classification.

how-to-guide
Jul 3, 2026
Troubleshooting CUDA Driver Compatibility with PyTorch Backends for Cosmos 3

Fix CUDA driver compatibility errors in Cosmos 3 with PyTorch. Ensure your CUDA wheel tag matches your NVIDIA driver for successful GPU acceleration. Avoid torch.cuda.is_available() failing.

tutorial
Jul 3, 2026
Implementing 2D Grounding and Bounding Box Localization with Cosmos 3

Implement 2D grounding and bounding box localization with Cosmos 3. Our Reasoner surface converts image-text prompts into JSON bounding boxes using a Mixture-of-Transformers.

how-to-guide
Jul 3, 2026
Understanding mRoPE Position Embedding for Multimodal Reasoning in Cosmos 3

Explore mRoPE position embedding for multimodal reasoning in NVIDIA Cosmos 3. Learn how this 3-axis embedding unifies vision, audio, and robot actions in transformers.

deep-dive
Jul 3, 2026
How to Configure Video Resolution, Frame Rate, and Aspect Ratio in Cosmos 3

Learn to configure video resolution, frame rate, and aspect ratio in NVIDIA Cosmos 3. Control these settings using environment variables or CLI arguments for optimal video generation.

how-to-guide
Jul 3, 2026
Running Inverse Dynamics Predictions for Autonomous Vehicle Ego-Motion with Cosmos 3

Learn to run inverse dynamics predictions for autonomous vehicle ego-motion with Cosmos 3. Estimate 9-DOF vehicle pose deltas from video using PyTorch or REST APIs.

how-to-guide
Jul 3, 2026
How to Set Up the Guardrail Safety Checker for Cosmos 3 Generator

Learn to set up the Guardrail safety checker for the NVIDIA Cosmos 3 Generator. Easily enable or disable this essential feature for secure AI model generation.

how-to-guide
Jul 3, 2026
Configuring Action Policy Predictions for DROID Robot Embodiment in Cosmos 3

Learn to configure DROID robot action policy predictions in Cosmos 3. Set up the environment, register the experiment, and run the training script for seamless embodiment.

how-to-guide
Jul 3, 2026
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