---
id: "claim-proprietary-models-not-competitive-advantage"
type: "claim"
source_timestamps: ["§ Training for a Marathon When You Can Only See Two Feet Ahead"]
tags: ["competitive-strategy", "llm-development"]
related: ["contrarian-off-the-shelf-over-proprietary", "concept-ai-orchestration-layer"]
confidence: "high"
testable: true
speakers: ["Steve Tulenko"]
sources: ["execution"]
sourceVaultSlug: "hbr-seg-execution"
originDay: 8
articleStem: "hbr-cl-93-legacy-financial-all-in-genai"
sourceUrl: "https://hbr.org/2025/03/how-a-legacy-financial-institution-went-all-in-on-gen-ai"
sourceTitle: "How a Legacy Financial Institution Went All In on Gen AI"
---
# Competitive Advantage Comes from Application, Not Proprietary Foundation Models

## Claim: Competitive Advantage Comes from Application, Not Proprietary Foundation Models

> **Confidence:** high · **Testable:** yes · **Attributed to:** [[entity-steve-tulenko|Steve Tulenko]]

[[entity-steve-tulenko|Steve Tulenko]] claims that a financial institution's competitive advantage will **not** come from spending months building a proprietary foundation model. Instead, advantage derives from treating **commercial LLMs as ready-to-use tools** and applying them **quickly and intelligently** to the company's unique **proprietary data assets, domain expertise, and brand trust**.

### Basis & links
- The contrarian framing: [[contrarian-off-the-shelf-over-proprietary]].
- The enabling architecture: [[concept-ai-orchestration-layer]].
- The primary-source quote: [[quote-ready-to-use-tools]].
- The prerequisite that makes application valuable: [[prereq-domain-expertise]].

### Verification (enrichment)
Supported by **Moody's Research Assistant materials and Microsoft's description of the collaboration**, both of which emphasize combining GenAI with Moody's content and databases; consistent with the HBR claim that commercial models were treated as 'ready-to-use tools.' Aligns with the broader **build-vs-buy** view that domain data and distribution matter more than model ownership.


## Related across articles
- [[claim-public-llms-low-value]]
- [[action-use-proprietary-slms]]
- [[concept-unstructured-data-utilization]]