Together AI
FeaturedThe fastest cloud for AI inference.
Founded in 2022 by Ce Zhang, Christopher Ré, Percy Liang, and Matei Zaharia — four of the world's leading AI researchers — Together AI was built to give developers fast, affordable access to the world's best open-source AI models. The platform offers inference for models like Llama, Mistral, and Qwen at speeds and prices that outcompete hyperscalers, along with fine-tuning, embeddings, and image generation APIs. Together AI raised $305 million in a Series B in 2024 at a $3.3 billion valuation. The company serves thousands of AI startups and enterprises who need reliable, high-performance model serving infrastructure without the complexity of managing their own GPU clusters.
Active Founders
Ce Zhang
Founder / CEO
Ce Zhang is the co-founder and CEO of Together AI. A Professor of Computer Science at the University of Chicago and ETH Zurich, he is one of the world's leading researchers in data management for machine learning systems. Ce co-founded Together AI with the conviction that fast, affordable access to open-source AI models would unlock an entirely new generation of AI applications and companies.
Together AI