Lightning AI
AI cloud platform for developers
Lightning AI is an AI cloud platform built by the creators of PyTorch Lightning that provides developers and teams with collaborative GPU workspaces, managed training and inference clusters, and AI-assisted development tools. The platform enables users to build, train, and deploy AI models and applications using a unified interface that spans multiple cloud GPU providers. Lightning AI also maintains the open source PyTorch Lightning framework and related projects including LitServe, LitGPT, and Fabric.
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Current Valuation
as of January 21, 2026 (Source)
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A lightweight PyTorch wrapper for high-performance AI research that decouples research code from engineering boilerplate.
A fast, flexible serving engine for AI models built on FastAPI.
A repository of high-performance LLM implementations with pretrain, finetune, and deploy support.
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