Together AI Raises $305M in Series B Funding to Enhance its AI Acceleration Cloud

California-based Together AI has announced a successful $305 million Series B funding round, led by General Catalyst and co-led by Prosperity7. 

The investment includes participation from notable investors such as Salesforce Ventures, NVIDIA, and Kleiner Perkins.

📣 Today we're announcing our $305M Series B funding led by @generalcatalyst and co-led by @p7ventures, with participation from a distinguished group of global institutional and strategic investors. pic.twitter.com/f4S2L6PhGs

— Together AI (@togethercompute) February 20, 2025

The company aims to enhance its infrastructure with the deployment of NVIDIA Blackwell GPUs, which are expected to significantly improve the performance of AI applications.

“Together AI is committed to making open-source AI accessible to developers and enterprises globally,” the company stated. They emphasise the transformative potential of AI across industries and the importance of open-source solutions in driving innovation.

This funding will bolster Together AI’s position as a leader in providing an AI acceleration cloud tailored for open-source models and enterprise applications. 

⚡ Our AI Acceleration Cloud uniquely spans across the AI lifecycle and has transformed how over 450,000 AI developers, AI-native companies, and global enterprises build modern AI applications. From @salesforce and @Zoom to innovative companies like @cognition_labs , @krea_ai…

— Together AI (@togethercompute) February 20, 2025

Their infrastructure supports over 200 open-source models across various modalities, enabling organisations to build comprehensive AI applications efficiently.

To accommodate its rapid growth, Together AI plans to expand its infrastructure significantly. This includes securing 200 MW of power capacity and deploying optimised clusters of NVIDIA Blackwell GPUs across North American data centres.

The funding will also support ongoing research initiatives to optimise AI performance and efficiency. The company’s chief scientist, Tri Dao, highlighted their focus on leveraging advanced GPU architectures to redefine training and inference capabilities.

💪Open source models like DeepSeek-R1 and Meta's Llama have emerged as formidable alternatives to proprietary solutions, marking a decisive shift in the AI landscape. Together AI has established itself as the definitive platform powering this transformation, delivering the…

— Together AI (@togethercompute) February 20, 2025

Looking ahead, Together AI aims to continue its trajectory of innovation while ensuring that powerful AI systems remain accessible and cost-effective for all users.

In 2023, the company also gained attention for securing a $102.5 million Series A investment from NVIDIA, Kleiner Perkins, and Emergence Capital.

“Open source is the future of AI,” said founder and CEO Vipul Ved Prakash, had said adding that “it will be a major thrust of how most organisations implement generative AI”.

But just last year, Simplismart, a Bengaluru-based startup led by former Oracle and Google engineers, has emerged as a leader in creating high-performance AI deployment tools.

Founded by Amritanshu Jain and Devansh Ghatak, this Bangalore-based startup is garnering attention with its claim of having developed the fastest inference engine in the world, outpacing rivals like TogetherAI and FireworksAI.