Santander just open-sourced its AI governance stack. No other major bank or FinTech has 🤖🏦; Wall Street banks are now America’s AI border guards 🤖🇺🇸
FinTech is Eating the World, 23 June
Hey Everyone,
Good morning & happy Tuesday! Today we’re diving into banking giant Banco Santander, which just became the first major global bank to open-source its entire AI governance stack (what SantanderAI is all about, why it matters, and what it means for every other bank & FinTech using AI + bonus deep dives into Revolut’s AI for Money, how to build an AI Agent from scratch, and the AI Finance Playbook inside), and how Wall Street banks are now effectively American’s AI border guards (why JPMorgan & Goldman Sachs pulled Claude models from its employees’ toolkits & what does this indicate about the future AI deployments + bonus deep dives into GLM-5.2, the strongest open AI model today & how to run it on your local computer, and how to Unlock Claude Fable 5 Lite on Opus 4.8 inside). So let’s just jump straight into the finnovative stuff 🌶️
Santander just open-sourced its AI governance stack. No other major bank has 🤖🏦
Following the trends 🤖 Every bank in the world is racing to deploy AI. Santander just gave away the brakes.
On June 21, Spanish banking giant Banco Santander became the first major global bank to open-source its entire AI governance and safety infrastructure.
Fourteen repositories on GitHub, all under Apache 2.0.
→ Guardrail optimization, mechanical decision enforcement, fairness testing, synthetic fraud graph generation.
→ The full code, free for any competitor, fintech, or regulator to fork.
Not JPMorgan. Not Goldman. Not HSBC. No peer has made a comparable release.
Santander came in first and set the precedent.
Let’s take a closer look at this, break down each repo, the strategic calculus behind handing competitors your compliance playbook, and what SantanderAI means for every institution deploying AI under the EU AI Act.
