The deciding difference is operational: Temporal can run on infrastructure you control, Modal cannot. If that constraint is real for you, it settles the choice before anything else is considered.
Python-native serverless with GPUs and sandboxes, scale to zero.
Durable execution — the run survives a crash, a deploy and a week of waiting.
| Modal | Temporal | |
|---|---|---|
| Licence | Proprietary | Open source |
| Pricing | freemium | freemium |
| Self-hostable | No | Yes |
| Languages | Python | TypeScript, Python |
| Install | pip install modal | — |
| Keys required | MODAL_TOKEN_ID, MODAL_TOKEN_SECRET | None |
The deciding difference is operational: Temporal can run on infrastructure you control, Modal cannot. If that constraint is real for you, it settles the choice before anything else is considered. Modal: Python-native serverless with GPUs and sandboxes, scale to zero. Temporal: Durable execution — the run survives a crash, a deploy and a week of waiting.
Modal is a hosted service only. Temporal can run on your own infrastructure.
Modal is proprietary (freemium). Temporal is open source (freemium).
Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.
curl -s -H "Accept: text/markdown" https://newagent.build/compare/modal-vs-temporal