Gravixlayer was faster in 1 of 2 shared sandbox benchmarks, and 1 was roughly even.
Median of each benchmark's primary metric; lower is better. Medians within 5% count as roughly even, and a benchmark gets no speed verdict when either provider completed fewer than 50% of runs.
Time from sandbox creation to the first successful command, with 100 sandboxes launched at the same time.
Time to interactive
Gravixlayer had a 19.0x lower median time to interactive (102ms vs 1.93s for Upstash).
4 runs from October 9, 2026 to October 30, 2026.
A real developer workload: install system packages, download Bun, clone the opencode repo, then run bun install and bun typecheck.
Total workload time
The medians are within 5% of each other (58.66s vs 57.26s), so this counts as roughly even.
5 runs from October 9, 2026 to October 30, 2026.
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Gravixlayer was faster in 1 of 2 shared sandbox benchmarks, and 1 was roughly even. In Burst TTI (October 30, 2026), Gravixlayer had a median time to interactive of 102ms versus 1.93s for Upstash, 19.0x faster. In DAX (October 30, 2026), Gravixlayer had a median total workload time of 58.66s and Upstash 57.26s, which counts as roughly even.