Upstash Sandbox Benchmarks

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1. Benchmarks
2. Sandbox Benchmarks
3. Upstash

Sandbox Benchmarks

Last benchmarked June 22, 2026

Sponsored by:

Burst TTI

All sandboxes launched concurrently in a single burst.

100% success

Median

5.43s

P95

12.64s

P99

13.02s

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

289ms

P95

309ms

P99

319ms

Median TTI Over Time

LinearLog

Iteration Distribution

Staggered TTI

Sandboxes launched with 200ms delays between each.

100% success

Median

313ms

P95

330ms

P99

340ms

Median TTI Over Time

LinearLog

Iteration Distribution

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