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Islo vs Modal
Modal runs serverless functions and containers. Islo runs persistent agent computers connected to your tools.
Modal is excellent for elastic serverless workloads and GPU sandboxes. Islo provides persistent computers, gateway credential controls, and workflows designed for coding agents that work over hours.
| Islo | Modal | |
|---|---|---|
Serverless / elastic compute | partial | ✓ |
GPU sandboxes | partial | ✓ |
Persistent agent sessions | ✓ | partial |
Gateway credential injection | ✓ | — |
Real dev environment (deps + services) | ✓ | partial |
Harness-agnostic (Claude, Codex, Cursor) | ✓ | ✓ |
Ticket orchestration | ✓ | — |
Choose Islo when
Agents need hours-long sessions, your full stack, and scoped credentials without you building the control plane.
Choose Modal when
You need bursty serverless GPU/CPU with stronger GPU sandbox options than a general-purpose agent computer.
Try Islo on your next workflow.
Common questions
Is Islo a drop-in replacement for Modal?
Modal is excellent for elastic serverless workloads and GPU sandboxes. Islo provides persistent computers, gateway credential controls, and workflows designed for coding agents that work over hours.
Can I try both before deciding?
Yes. Start with one workflow you understand on Islo and compare results against your current setup.
Does Islo work with my existing harness?
Islo is harness-agnostic. Run Claude Code, Codex, Cursor, or your own agent.
What about pricing?
Islo is pay-as-you-go. See /pricing for rates.
Can I run in my own cloud?
Yes. BYOC mode runs agent computers in your VPC.