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Freddy Lecue, Wells Fargo

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A Bank Trained Its Own Foundation Model to Catch Fraud — Freddy Lecue, Wells Fargo Oct 23, 2026 · 17:40 Wells Fargo built a proprietary Foundation Model for transactions, pre-training a transformer on billions of raw customer transactions. This single backbone model improves fraud detection and streamlines multiple downstream financial tasks.

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A Bank Trained Its Own Foundation Model to Catch Fraud — Freddy Lecue, Wells Fargo

Wells Fargo built a proprietary Foundation Model for transactions, pre-training a transformer on billions of raw customer transactions. This single backbone model improves fraud detection and streamlines multiple downstream financial tasks.

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