Modal

Serverless Python compute with a Sandbox API bolted onto a GPU-first platform.

modal.com modal.com/docs/guide/sandbox

Overall in sandbox providers

5of 19 · score 75.8

Data coverage

96%

25 of 26 fields sourced

Best for

•The sandbox needs a GPU on a self-serve plan
•Your team is Python-first and already writes Modal functions
•One platform for batch ML and untrusted execution

Strong on

+GPU Yes 1/15
+Runtimes python, javascript-typescript, bash, any-oci-image 2/18

Weak on

−Cold start 1.5s 11/16
Better: Riza: 120ms
−Price / hour $0.238/hr 13/17
Better: boat: $0.018/hr
−Isolation gvisor 14/19
Better: E2B: microvm
−Cold start (claimed) 1s 8/12
Better: Blaxel: 25ms

vs Blaxel

•Ahead on Egress control: proxy-logged vs open
•Ahead on Persistent FS: Yes vs Partial
•Behind on Snapshot & fork: Partial vs Yes
•Behind on Sydney region: No vs Partial

How Modal scores among 19 sandbox providers25 of 26 fields known

Runtime13

Isolation & network3

Agent integration3

Pricing3

Traction2

Positioning1

Timeline1

Alternatives8

Compare

Sources7

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