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The Data Diaries: What We Learned Building Our Own LLM

Author
Zero100
Published
Wed 25 Jun 2025
Episode Link
https://www.zero100.com

ChatGPT, Gemini, Copilot – LLMs are everywhere. But how do you integrate them into your operations? After a year spent developing our own LLM, the Zero100 team shares hard-won lessons and a primer on getting LLM design right. Featuring: VP Data & Analytics Cody Stack, Senior Manager, Data Science Julia Dahlgren, and Data Scientist Prajwal Bn.

  • Why we built our own LLM (1:37)
  • Key considerations for your build vs buy decision (2:55)
  • How we leveraged open-source components (5:39)
  • The promise – and challenge – of knowledge graphs (7:42)
  • Encouraging adoption and winning buy-in from leadership (9:38)
  • Why prompt engineering and quality training data are underrated (12:44)
  • The business case for building a small language model (14:46)

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