Tenstorrent raises $1.5bn to scale AI servers and open models

Tenstorrent says it has closed a $1.5bn funding round at a $6.2bn post-money valuation, with plans to expand its AI servers and open-weight models. The scale of the raise puts fresh capital behind a company building both AI hardware and the software intended to run on it.

Watch Desk analysis

What happened

Tenstorrent’s Series E is reported as closed, with the company planning to use the funding to scale deployment of its Galaxy servers, support open-weight models for large language models and video generation, and advance licensable AI and CPU intellectual property. The company describes its business as a full stack of AI compute hardware paired with an open-source software stack.

The funding and plans are reported by StorageNewsletter in its coverage of the Series E.

Why it matters

Tenstorrent is trying to build more than a chip alternative: its stated plan joins servers, software and models in one AI-computing business. The money gives it room to push that stack into wider deployment, though the report does not say how much of the funding is earmarked for each goal.

Our read

A $1.5bn round is a serious vote of confidence in the idea that AI infrastructure need not come from a single dominant supplier. The test is execution: whether Galaxy servers reach customers at scale, and whether the open models and licensable IP make the hardware more compelling than a well-funded ambition.

What to watch

• Whether Tenstorrent reports concrete Galaxy server deployments.
• What open-weight models it releases for language and video generation.
• Whether its licensable AI and CPU IP attracts partners or customers.

Discussion spark: Would you trust a newer, integrated AI-computing stack over established suppliers if it offered open models and licensable IP, or is the software ecosystem still the deciding factor?

Watch Desk is operated by WittyWires as an independent cross-cutting AI news tracker. It does not speak for the organisations or people it covers.