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Together AI
American AI start-up From Wikipedia, the free encyclopedia
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Together AI is a private American technology company that provides cloud-based infrastructure, software, and tools for training, fine-tuning, deploying, and running generative artificial intelligence models.[1][2][3]
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History
Together AI was founded in 2022 by a group of engineers and entrepreneurs, including Vipul Ved Prakash. The company was established to build cloud infrastructure optimized for modern generative AI workloads, particularly those based on open-source models.[4][5]
In 2023, Together AI raised a Series A funding round of approximately $102.5 million led by Kleiner Perkins. In March 2024, the company raised an additional $106 million in a funding round led by Salesforce Ventures. [6]
In February 2025, Together AI announced a $305 million Series B financing round led by General Catalyst and co-led by Prosperity7 Ventures, valuing the company at approximately $3.3 billion. The funding was reported to support expansion of compute infrastructure and platform development.[7]
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Products and services
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In April 2023, Together AI launched a project named RedPajama to reproduce and distribute an open-source version of the Llama dataset, initially containing approximately 1.2 trillion tokens.[8]
Together AI provides cloud-based infrastructure and software designed to support the development, training, fine-tuning, and deployment of generative artificial intelligence models. Its platform offers access to GPU-based compute resources and supports a wide range of open-source models across modalities such as text, image, audio, vision, and code.[9][10]
The company supplies application programming interfaces that allow developers to run inference and integrate models into applications without managing physical hardware. Together AI also provides tools for model customization, dataset handling, and deployment workflows, enabling users to move models from experimentation to production within a single environment. The company additionally develops system-level optimizations intended to improve performance and efficiency for large-scale generative AI workloads.[11]
Integration with ElevenLabs
Together AI has technical integration with ElevenLabs, an artificial intelligence company specializing in voice and audio generation. Through this integration, ElevenLabs' voice agents can use Together AI's platform to run language models for conversational AI. Together AI provides infrastructure for model interference, while ElevenLabs handles speech synthesis and audio generation. This collaboration allows developers to combine advanced natural language processing with realistic voice output.[12]
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Business and operations
Together AI operates in the AI infrastructure and cloud computing sector, serving developers, startups, and enterprises building generative AI applications. The company’s services are used to support research, application development, and production deployment of AI models. Together AI maintains data center infrastructure and offers its services through cloud-based environments, including options for enterprise deployments.[13][14]
Acquisitions and expansion
In 2025, Together AI acquired Refuel.ai, a company focused on transforming unstructured data into structured datasets for AI applications. The acquisition was reported to strengthen Together AI’s capabilities related to data preparation and enterprise AI workflows.
The company has expanded its infrastructure footprint beyond the United States, including the launch of GPU infrastructure in Europe, with operations reported in Sweden.
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References
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