Ray
Distributed Python for the whole ML pipeline — Anyscale's engine.
You're looking at a software record: a tool or platform in the AI stack — who maintains it and what hardware it runs on.
Ray turns a cluster into one Python program — data prep, training, hyperparameter search and serving as composable tasks. OpenAI has used it in training infrastructure, and vLLM began life in its orbit at Berkeley.
How this connects to the rest of the stack
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Sources
Record reviewed as of 2026-01-15 — see Methodology.