# European Banks Build on Open-Weight Models at GTC Berlin as Nvidia Pitches Faster AI Factory Deployment

Revolut said it is rebuilding its technology stack on a single in-house foundation model serving an initial 80 million customers, and Nvidia said its modular reference design cuts on-site AI factory deployment from six months to 14 days once site utilities are ready.

- Published: 2026-10-22T06:23:26.061Z
- Canonical: https://polylog.news/ai/2026-10-22/european-banks-build-on-open-weight-models-at-gtc-berlin-as
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [NVIDIA Blog](https://blogs.nvidia.com/blog/european-financial-services-organizations-open-models-proprietary-intelligence/), [NVIDIA Blog](https://blogs.nvidia.com/blog/dsx-power/), [The Register](https://www.theregister.com/ai-and-ml/2026/10/21/nvidia-woos-wary-europeans-with-more-open-weights-models/5304552)

At GTC Berlin, Nvidia presented European banks, payment companies and financial data providers that run open-weight models on their own infrastructure, according to the company's blog. Revolut's case was the most specific. The fintech said…

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