AI Agent infrastructure, measured.

Independent benchmarks and teardowns of the infrastructure agents run on: sandboxes, agent VMs, computer-use and browser infra, and agent evals. Every number links to the raw run.

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Time to first command

How long from asking for a fresh sandbox until a shell command actually runs in it.

Cold create to first command

ms · lower is better · p50 of 5 fresh sandboxes each
  1. 1Cloudflare Sandbox483 ms×1.00
  2. 2Vercel Sandbox662 ms×1.37
  3. 3Freestyle976 ms×2.02
  4. 4Tensorlake1.92 s×3.97
  5. 5BoxLite Cloud4.07 s×8.42
  6. 6Upstash Box5.02 s×10.39

Method, raw results and the providers we could not measure →

Latest writing

Time to first command

How long until a fresh sandbox runs your first command?

November 12, 2026