Vanishing Gradients

Episode 55: From Frittatas to Production LLMs: Breakfast at SciPy

Aug 12, 2025
Join Eric Ma, who heads research data science at Moderna, as he discusses the wild world of AI systems over breakfast at SciPy. He reveals why 'perfect' testing can lead you astray and introduces three key personas in AI development, each with unique blind spots. Discover how curiosity can elevate builders from good to great, and learn about maintaining observability in both development and production. Eric also shares insights on fostering experimentation in large organizations, embracing the chaos that comes with creating thriving AI products.
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ADVICE

Train Developers To Verify Outputs

  • Teach software developers to verify outputs, not just write deterministic validators.
  • Train teams to expect and test for nondeterministic behavior in LLM outputs.
INSIGHT

Embrace Stochastic Outputs

  • LLM-powered systems require embracing stochastic, changing outputs rather than deterministic guarantees.
  • Hugo and Eric argue that tests expecting 100% pass rates are testing the wrong thing.
INSIGHT

Curiosity Beats Shiny Models

  • Curiosity about your data separates competent builders from great ones.
  • Eric warns that many skip intimate examination of traces and failure modes, harming product quality.
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