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Storage read throughput

One 256 MiB object, sequential, one client, from this desk — ranks these three links, not either cloud's ceiling.

AWS S3 5.95 s for 256 MiB 43.0 MB/s GCP GCS 9.40 s for 256 MiB 27.2 MB/s Azure Blob 15.87 s for 256 MiB 16.1 MB/s best of 2 runs, opposite upload/download order, each cloud within ~12% of itself
cloud: AWS S3 / GCP GCS / Azure Blob · method: bin/storage-bench · measured 2026-08-29, docs/measured.md § storage · order-confound tested (reversed pass, ranking held) · hero built 2026-09-02 by the Visuals Lead