Modal vs SkyPilot
A side-by-side comparison of Modal and SkyPilot, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | Modal | SkyPilot |
|---|---|---|
| Category (differs) | Inference | Infra |
| Pricing (differs) | FREEMIUM | FREE |
| License (differs) | Proprietary | Open source |
| Deployment (differs) | Cloud | — |
| Platforms (differs) | API, CLI | CLI, API, Linux, macOS |
| Model support | Model-agnostic | Model-agnostic |
| Vendor (differs) | Modal Labs | SkyPilot |
The honest brief
Modal
Define GPU infra in Python decorators with 2-4s cold starts — no YAML, Dockerfiles, or managed-stack lock-in.
- Python-decorator infra, no YAML/Dockerfiles
- Scale-to-zero, pay only when running
- Scales to hundreds of GPUs
- Free monthly starter credits
- SDK lock-in; migrating means rewriting
- No managed vLLM/TensorRT setup
- Costs climb under heavy usage
- Billing hard to predict
SkyPilot
Declarative task-level orchestration that fails over across 20+ clouds and Kubernetes chasing the cheapest available GPUs.
- One interface across many clouds and Kubernetes
- Auto cost/availability optimization, spot failover
- Runs on your own cloud accounts
- Abstracts away per-provider setup
- Task-level tool, not a full managed platform
- You bring and pay for the underlying cloud
- Less turnkey than hosted GPU providers
- Requires some cloud/infra comfort