Together AI

Together AI is a San Francisco-based artificial intelligence (AI) startup founded in 2022. The company specializes in providing a cloud-based platform that enables developers and researchers to train, fine-tune, and deploy generative AI models efficiently and at scale.

The platform supports over 200 open-source models across various modalities, including chat, image, audio, vision, code, and embeddings. This facilitates the development of diverse AI applications.

Funding and Valuation

In February 2025, Together AI secured $305 million in a Series B funding round led by General Catalyst. Investors also included Salesforce Ventures, Nvidia, Coatue, and Prosperity7 Ventures.

This investment increased the company's valuation to $3.3 billion, reflecting strong market confidence in its growth and potential.

Clients and Use Cases

The company's clientele includes over 450,000 AI developers, AI-native companies, and global enterprises. Notable users include Salesforce, Zoom, SK Telecom, Hedra, Cognition, Zomato, Krea, Cartesia, and The Washington Post.

These organizations leverage Together AI's platform to build modern AI applications with enhanced performance, security, and cost-efficiency.

Research and Consulting

In addition to its core platform, Together AI offers consulting services to design customized AI models tailored to specific use cases.

Their research initiatives include:

• RedPajama, an open-source chat model initiative
• Evo, a biological foundational model for understanding and generating genomic sequences

Location

Together AI is headquartered in San Francisco, California, at 251 Rhode Island St, Suite 205, San Francisco, California 94103, USA.

Future Outlook

As of July 2025, Together AI continues to expand its infrastructure and services. It is solidifying its position as a leading provider of AI acceleration solutions for developers and enterprises worldwide.