Sandbox Benchmark Comparison · Updated November 13, 2026
Kosa8 was faster in the only sandbox benchmark with a speed verdict.
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Kosa8 was faster in the only sandbox benchmark with a speed verdict. In Burst TTI (November 13, 2026), Kosa8 had a median time to interactive of 1.83s versus 2.69s for Google Cloud Run, 1.47x faster.
Both providers have results in 2 sandbox benchmarks: Burst TTI and DAX. 1 of them has a speed verdict.
Success rates in the latest runs: Burst TTI: Google Cloud Run 100%, Kosa8 100%; DAX: Google Cloud Run 0%, Kosa8 0%. DAX has no speed verdict because Google Cloud Run and Kosa8 completed fewer than half of their runs.
Burst TTI and DAX results are from November 13, 2026.