Modal Sandbox Benchmarks

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Sandbox Benchmarks

Last benchmarked July 13, 2026

Burst TTI

All sandboxes launched concurrently in a single burst.

100% success

Median

628ms

P95

681ms

P99

843ms

Median TTI Over Time

LinearLog

Iteration Distribution

Sequential TTI

Sandboxes launched one at a time, waiting for each to become interactive before starting the next.

100% success

Median

474ms

P95

677ms

P99

724ms

Median TTI Over Time

LinearLog

Iteration Distribution

Staggered TTI

Sandboxes launched with 200ms delays between each.

100% success

Median

471ms

P95

557ms

P99

673ms

Median TTI Over Time

LinearLog

Iteration Distribution

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