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Amazon's abstract claims 3.1 million sandboxes in Oct

According to the paper's abstract, Amazon's sandbox service Sandman, built for training tool-using agents, created 3.1 million isolated execution environments (sandboxes) across four training campaigns in October. That counts creations, including short-lived containers, not training samples. (arXiv 2610.39711, 2026-10-29) How we checked →

Concept illustration: on a four-panel folding screen, many small overlapping windows spread upward and rightward from behind a large grey laptop at lower left whose lid is lettered SANDMAN, and a larger red window at the centre is lettered SANDBOX. AMAZON is lettered at upper right above an orange curved arrow, and four small open laptops stand in a row at lower right, each screen showing a speech bubble with lines inside.

Source and checks

This item ran in the brief of Nov 1, 2026, alongside 7 other items. How we checked it, the quote checks and what was still missing that day are on that issue's How we checked page.

Cite this item

SecondSource (2026). "Amazon's abstract claims 3.1 million sandboxes in Oct." https://secondsource.io/en/research/2026-11-01-3/. Accessed access date.