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ray-project/ray

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

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What it does

Ray is an open-source framework that lets developers run AI and machine learning workloads across many computers at once, making it practical to train large models, serve AI-powered features, and process massive datasets without rewriting code. It acts as the engine underneath, automatically splitting work across machines so teams can scale from a laptop to thousands of servers with minimal changes.

Why it matters

As AI models grow larger and more expensive to run, Ray has become foundational infrastructure for companies building AI products — it's the scaling layer used by many of the fastest-growing AI startups and enterprises to avoid rebuilding core infrastructure from scratch. With 43,000 stars and backing from Anyscale, it represents a strategic bet on open-source AI infrastructure that investors and builders should track as a bellwether for where serious AI development is headed.

46Hot

Gaining traction — heating up

Stars
43.0k
Forks
7.7k
Contributors
1540
Language
Python

Score updated Jun 27, 2026

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