CodeSandbox Sandbox Benchmarks

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Sandbox Benchmarks

Last benchmarked July 31, 2026

Burst TTI

All sandboxes launched concurrently in a single burst.

100% success

Median

7.80s

P95

10.57s

P99

10.93s

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.

99% success

Median

2.55s

P95

3.01s

P99

3.03s

Median TTI Over Time

LinearLog

Iteration Distribution

1 failed iteration not shown

Staggered TTI

Sandboxes launched with 200ms delays between each.

100% success

Median

2.73s

P95

3.81s

P99

4.71s

Median TTI Over Time

LinearLog

Iteration Distribution

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