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AIStore

open source / Overall score: 2.8

AIStore is a distributed storage cluster built for AI workloads, presenting an S3-compatible object interface over local drives while also operating directly on remote cloud buckets. It scales out linearly, runs with or without Kubernetes, and offloads ETL and batch transformation into the storage layer so training jobs read transformed data in place. NVIDIA develops it.

Openness

5 high confidence

5.0

license: MIT(OSI)
source: public
core features withheld: no

MIT license body confirmed. The repository is public and unarchived and builds the whole product, and the README describes no paid tier, enterprise edition or license-gated build beside it, so source is public and the core ungated.

https://raw.githubusercontent.com/NVIDIA/aistore/main/LICENSE recorded 2026-09-30
LICENSE file is the MIT text: "MIT License" and "Copyright (c) 2017 NVIDIA Corporation" and "Permission is hereby granted, free of charge, to any person obtaining a copy".
https://raw.githubusercontent.com/NVIDIA/aistore/main/README.md recorded 2026-09-30
README shows the MIT badge and says "There are [no built-in limitations](" on deployment size or functionality; searched the body for enterprise, paid tier and license key: none.
https://raw.githubusercontent.com/NVIDIA/aistore/main/README.md recorded 2026-09-30
README describes "a lightweight distributed storage stack tailored for AI applications" and its final section reads "MIT"; searched the body for enterprise, paid tier and license key: none.

Adoption

2 low confidence

2.0

AIStore has no published deployment or cluster-usage figure, and its PyPI package measures only client-side installs rather than clusters running the storage system, so GitHub stars are the only adoption signal available. A star reflects developer interest rather than confirmed production use, so it cannot show how many clusters are actually running AIStore.

https://api.github.com/repos/NVIDIA/aistore recorded 2026-08-18
Repo metadata - stargazers_count = 1,914 - for NVIDIA/aistore.

Capability

4 medium confidence

4.0

AIStore is a complete, distributed retrieval system: S3-compatible object storage with erasure coding, high availability, remote-bucket operation and in-cluster ETL, deployable from a single machine to a bare-metal cluster. Vespa remains a step ahead, covering more of the same persist-index-retrieve path across a wider range of retrieval modes.

https://raw.githubusercontent.com/NVIDIA/aistore/main/README.md recorded 2026-09-30
README says "It's an elastic cluster that can grow and shrink at runtime" and can be deployed "with or without Kubernetes, anywhere from a single Linux machine to a bare-metal cluster of any size".
https://raw.githubusercontent.com/NVIDIA/aistore/main/README.md recorded 2026-09-30
README lists "Redundant control and data planes. Self-healing, end-to-end protection, n-way mirroring, and erasure coding." and "compliant [Amazon S3 API]" support plus ETL offload "close to the data".

Verified 2026-09-27