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Together AI builds a GPU cloud platform for training, fine-tuning and deploying generative AI models without lock-in, and contributes open-source AI research including FlashAttention, Mamba and RedPajama.
Lightning AI
Lightning AI builds a platform for the machine learning workflow, from prototyping to deployment, and is the creator of the open-source PyTorch Lightning framework.
Lightning AI builds an end-to-end platform described as an operating system for AI development. Its purpose is to remove infrastructure complexity from the machine learning workflow, covering the path from idea and prototyping through training, deployment and production scaling. The company is the creator behind PyTorch Lightning, an open-source deep learning framework used across the field.
The Lightning AI Platform provides cloud-based GPUs, collaborative development environments and integrated tools for the full ML workflow. It serves more than 10,000 organisations globally, ranging from solo researchers to Fortune 500 enterprises. Technical work spans machine learning and deep learning, AI development tooling, cloud GPU infrastructure, ML training and deployment, production scaling and collaborative development environments. The company has raised $127 million in funding.
Lightning AI has offices in New York, San Francisco, Seattle and London. It has merged with Voltage Park, combining developer-first software with large-scale, cost-efficient compute infrastructure. The stated emphasis is on letting developers build intelligent systems rather than manage servers.
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