WorkSeptember 9, 2026via Forrester Blog
Banks Are Building Private Foundation Models, But The Model Is Not The Moat
Why it matters
Financial services are deploying custom foundation models as competitive strategy, but the article argues defensibility comes from transaction data and domain expertise, not model architecture—reshaping how enterprises think about AI differentiation.
Key signals
- Financial institutions building transaction-specific foundation models
- Proprietary data framed as primary competitive advantage over model weights
- Domain-specific AI deployment in banking and financial services
- Strategic shift from buying general models to building captive AI systems
- Banks building transaction-specific foundation models
- Proprietary data as AI strategy in financial services
- Model architecture ≠ sustainable competitive advantage
- Domain-specific AI deployment in banking
- Data governance as the real moat in enterprise AI
The hook
Banks betting billions on proprietary models—but the real moat is the data, not the weights.
Discover why financial institutions are using transaction foundation models and proprietary data to build a lasting AI advantage.