Baseten, the company powering some of the world’s fastest-growing AI apps, has raised $150 million in a Series D round, bringing its valuation to $2.15 billion. The round was led by BOND, with new investors CapitalG, Premji, and Kevin and Elizabeth Weil of Scribble also joining in. Existing backers, including Conviction, 01a, IVP, Spark, and Greylock, also participated. With this latest investment, Baseten’s total funding surpasses $285 million.

Tuhin Srivastava, Co-founder and CEO of Baseten, emphasized the importance of inference in today’s AI landscape: “If cloud was the foundation that enabled the latest generation of great technology companies, inference is the foundation for the next. Every breakout AI application depends on fast, reliable, and cost-effective inference, the same way the last 15 years of companies depended on the cloud. Baseten makes that possible. In the same way Stripe became an index of the internet economy, Baseten will become an index of the AI economy.”

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This funding announcement comes amid a rapid acceleration of AI adoption across industries. Inference the process of running AI models that power applications lies at the heart of this growth. The inference market alone exceeds $100 billion, representing one of the fastest-expanding technology sectors. Over the past year, companies such as Abridge, Captions, Clay, OpenEvidence, and Writer have leveraged Baseten to power applications generating billions of dollars in revenue across multiple industries.

Baseten’s platform is designed specifically for inference, offering performance, scalability, and cost efficiency to meet the demands of modern AI. By combining applied AI research, flexible infrastructure, and seamless developer tools, Baseten enables cutting-edge AI models to move quickly from development into production.

Kareem Amin, co-founder and CEO of AI GTM platform Clay, explained, “At Clay, we use Baseten to power our AI experiences because it gives us the speed, scale, and reliability we need. The impact has been transformative. We launch new AI capabilities faster, with higher quality, and with the confidence they’ll perform for our customers. Baseten isn’t just infrastructure for us, it’s a critical piece of how we deliver the next generation of AI-powered GTM.”

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Similarly, Dr. Shiv Rao, CEO and Co-founder of Abridge, noted, “Delivering on our mission requires inference that is both fast and trustworthy. Baseten supports our mission with infrastructure that scales safely across health systems. It is an important component of our technology stack, which is trusted by tens of thousands of clinicians to generate more than a million clinical notes every week.”

With the Series D proceeds, Baseten plans to expand its team and products to meet rising customer demand, doubling down on model performance research, infrastructure, and developer tooling. Zachary Ziegler, Co-founder and CTO at OpenEvidence, added, “Baseten’s tierless dedication to reliability and deep support at scale has proven up to the task of supporting this at times literally life-or-death mission.”

BOND’s Jay Simons commented, “Inference is a major bottleneck, and solving it is key to unleashing the full potential of AI. Baseten is doing this today. They are years ahead in both product and adoption.” Meanwhile, CapitalG’s Jill Chase highlighted, “Baseten’s infrastructure enables the most ambitious AI teams to rapidly transform concepts into market-changing products that customers actually need.”

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