---
title: "Discussion on \"The Old Trade-Off: Vendor vs. In-House, Before AI Changed the Rules\" | Hashnode"
description: "Discussion on \"The Old Trade-Off: Vendor vs. In-House, Before AI Changed the Rules\". Part 1 of Built to Leave: why financial institutions built or bought their technology before AI, what each path cost, and why both end the same way."
url: "https://hashnode.com/posts/the-old-trade-off-vendor-vs-in-house-before-ai-changed-the-rules/6abfb3a70e6d57ef440be164"
---

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# [The Old Trade-Off: Vendor vs. In-House, Before AI Changed the Rules](https://nightthoughts.me/the-old-trade-off-vendor-vs-in-house-before-ai-changed-the-rules?utm_source=hashnode&utm_medium=feed)

Part 1 of Built to Leave: why financial institutions built or bought their technology before AI, what each path cost, and why both end the same way.

Oct 2 · 15 min read · nightthoughts.me  
Updated 6d ago  
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-   [#ai](https://hashnode.com/tag/ai)
-   [#vendor](https://hashnode.com/tag/vendor)
-   [#finance](https://hashnode.com/tag/finance)
-   [#public-cloud](https://hashnode.com/tag/public-cloud)

## Written by

[Haithem Slimi](https://hashnode.com/@haithem-slimi)

@haithem-slimi · Hong Kong, China

  
[View profile](https://hashnode.com/@haithem-slimi)

Passing down what we know. Discovering what's next.

Father of two, tech lover. Building systems by day, raising curious minds by night. I write hands-on guides and reproducible experiments on running, fine-tuning and evaluating AI locally on Apple Silicon, on AI agents, and on how AI changes software and finance. The code behind every experiment is on GitHub: github.com/hslimi/night-thoughts

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