Cloud-Native Alternative (High OpEx)
For users without access to a powerful local workstation, a cloud-based setup is possible, but it has significant limitations for robotics and Physical AI systems.
Cloud GPU Workstations
Cloud providers such as AWS, Azure, and Google Cloud offer instances equipped with powerful NVIDIA GPUs.
Popular Options
- AWS EC2 G5 instances — NVIDIA A10G GPUs
- Azure NC-series — NVIDIA V100 or A100 GPUs
- Google Cloud Compute Engine — NVIDIA T4, V100, or A100 GPUs
These instances provide on-demand access to GPU resources without the capital cost of purchasing hardware.
Isaac Sim via Omniverse Cloud
NVIDIA Omniverse allows Isaac Sim to run on cloud GPUs while streaming the rendered output to a local machine.
How It Works
- Isaac Sim runs on a cloud-hosted GPU instance
- Rendered frames are streamed to the local client
- Users interact through a browser or streaming client
- Control commands are sent back to the cloud instance
This enables simulation work from devices without dedicated GPUs.
Cost Considerations
Cloud-based simulation introduces high operational expenditure (OpEx) driven by usage time.
Typical Cost Structure
- GPU instance rates — $0.50 to $5.00+ per hour (depending on GPU tier)
- Storage costs — persistent volumes for simulation assets and models
- Data transfer costs — inbound/outbound networking
- Omniverse streaming fees — if using NVIDIA-managed services
Example:
Running 20 hours per week on a mid-tier GPU instance may cost $40–$100+ per week.
Critical Limitation
Local edge hardware (the Physical AI Edge Kit) is still required.
Real-time robotic control is not feasible over high-latency Internet connections.
Why Edge Hardware Is Non-Negotiable
- Latency — Cloud round-trip times (50–200 ms) are too slow for balance and manipulation tasks requiring sub-10 ms response
- Reliability — Robots must function autonomously if connectivity drops
- Safety — Control loops must execute locally to respond immediately to hazards
When Cloud Makes Sense
Cloud-based simulation is appropriate in the following cases:
- Students without access to RTX-class workstations
- Infrequent or short-duration simulation workloads
- Distributed teams sharing a common environment
- Bursty workloads requiring temporary compute scaling
Hybrid Approach
The most practical setup is often a hybrid model:
- Use a local workstation for daily development and debugging
- Use cloud resources for large-scale training or physics-heavy scenarios
- Always deploy inference and control to local edge hardware
This approach balances cost, performance, and safe real-world deployment.