Announcing our $800M Series C to accelerate the shift to open-source AI

Together AI was founded with the vision of making generative AI widely accessible rather than dominated by a few corporations, and it has since developed a full-stack AI platform grounded in open-source principles and advanced research. The company has now secured $800 million in Series C funding from prominent investors such as Aramco Ventures, NVIDIA, and Salesforce Ventures, along with commitments for substantial compute capacity to support future growth. As AI becomes integral to production infrastructure, companies face economic challenges with proprietary models, which Together AI addresses by providing open-weight models that are cost-effective while maintaining high performance. Their platform has proven to deliver significant cost reductions, as demonstrated by companies like Decagon. The success of Together AI is driven by continuous innovation in its research-to-production pipeline, offering optimized solutions like FlashAttention-4 and Together Megakernel, which enhance the performance and economics of AI production. The company emphasizes the importance of the entire AI stack, including models, kernels, and training infrastructure, to provide comprehensive generative AI capabilities, and it continues to expand its influence in the global open-source AI ecosystem while actively recruiting talent to support its mission.

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