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Startups & Venture·July 1, 2026·1 min read

Together AI raises 800 million dollars in Series C as open-source cloud demand surges

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$800M at an $8B+ valuation for Together AI — led by Aramco Ventures with Nvidia and others in the round — is a bet that “open-source cloud” will be a durable alternative to vertically integrated AI stacks. If you’re committing to open models, start pressure-testing your infra against Together-style offerings rather than assuming hyperscaler-native is the only path.