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03talkAug 2025

DSPy Prompt Optimization

Stop writing prompts by hand. I gave a talk at AI Tinkerers showing how DSPy's MIPROv2 optimizer can automatically improve your prompts. Two training examples, zero manual tuning, better results.

View on GitHub →

The Talk

Gave a presentation at AI Tinkerers Berlin about DSPy - a framework for programming language models instead of just prompting them.

Key Ideas

  • Stop writing prompts by hand
  • Let the optimizer find better prompts automatically
  • Two training examples is often enough
  • Systematic evaluation beats gut feeling

    • Demo

    Showed MIPROv2 optimizer improving prompts for GPT-4.1-mini in real-time. Started with a basic prompt, ended with something significantly better.

    Resources

    Check the repo for the full notebook and slides.

    dspy prompt optimization03