Together AI raises $800 million Series C, leaps to $8.3 billion valuation

Together AI more than doubling its valuation in sixteen months shows how much money is still chasing GPU capacity even as hyperscalers build their own clusters. Aramco Ventures joining a neocloud round signals oil money is now a permanent fixture in AI infrastructure financing. Watch whether Together can keep margins healthy as it competes with cheaper in-house options from Microsoft and Google.