Burst failure rates and P95s are rarely published. Nobody shows their own —
so we do, nightly, on the receipt chain. Cold-start claims become receipts.
driver
burst
median
P95
P99
success
run
process
100
3ms
13ms
24ms
100%
2026-10-23T04:20:01Z
docker
100
360ms
498ms
547ms
100%
2026-10-19T04:21:49Z
What "ready" means here: time-to-ready = sandbox created plus the first exec returning exit 0.
A sandbox that exists but cannot run true counts as a FAILURE — the same field-harness
shape that exposed a 0.27s median delivered on only 37% of calls elsewhere in this market.
The nightly harness bursts 100 per driver; every number above is a benchmark.burst receipt.