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US neocloud Together AI raises US$800m Series C led by Saudi Arabia's Aramco Ventures at US$8.3bn

Nvidia, Vista, General Catalyst and Taiwan's Pegatron join; the open-model inference platform runs on Chinese-origin systems DeepSeek, Kimi and GLM and plans a 50x capacity build

スタートアップ·AI· active 誰の金か·長期戦 ·8 論調 · ·rbtfl 更新 2026年7月2日

Summary

Neocloud Together AI raised an US$800m Series C on 1 July 2026 at a valuation above US$8.3bn, led by Saudi Arabia's Aramco Ventures and more than doubling its US$3.3bn mark from February 2025. Nvidia, Vista Equity Partners, General Catalyst, Emergence, Salesforce Ventures, Lux Capital and Taiwan contract manufacturer Pegatron joined. The company says annual bookings crossed US$1.15bn and it serves customers including Cursor, Cognition, ElevenLabs and Suno. Its platform trains and serves open-weight models, naming Chinese-origin DeepSeek, MiniMax, Kimi and GLM alongside Nvidia's Nemotron, and pitches inference at 6x to 20x below closed labs. CEO Vipul Ved Prakash plans a roughly 50x capacity expansion over five years.

The split

US tech press reads the round as a neocloud land-grab against Baseten and CoreWeave. European and Gulf coverage leads instead with the backers: Aramco Ventures anchoring, Taiwan's Pegatron supplying hardware, and a business built on Chinese open models. That framing makes Together a multipolar bet that open weights, many of them Chinese, undercut the US closed-model incumbents, a dimension the Silicon Valley framing leaves implicit.

By the numbers

  • US$800m, Series C size.
  • US$8.3bn, post-money valuation, up from US$3.3bn in February 2025.
  • US$1.15bn, annualised bookings last quarter.
  • 6x to 20x, claimed cost advantage over closed-model APIs.
  • ~50x, planned capacity growth over five years.
  • July 1, 2026, round announced.

Why it matters

A Gulf sovereign-linked fund leading the largest open-model infrastructure round signals where non-US capital is placing its AI bets: on the commoditisation layer rather than the frontier labs. If open weights keep closing the quality gap, neoclouds serving them cheaply capture the demand that closed labs priced high, and Aramco gains a strategic stake in the compute economy beyond oil.

What to watch

  • Whether Chinese open models remain freely usable by a US firm as export-control politics tighten.
  • Together's real utilisation as it commits to a 50x buildout against Nvidia supply.
  • Whether other Gulf funds follow Aramco into inference rather than frontier training.