Uploaded August 2025 | Updated September 2026, 3 hours ago

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Hey everyone! Thanks so much for watching this video exploring DSPy's GEPA optimizer to train a Listwise Reranker! Here is the link to the notebook from the video to follow along with: github.com/weaviate/recipes/blob/main/integrations/llm-agent-frameworks/dspy/GEPA-Hands-On-Reranker.ipynb

Introduction to DSPy and Weaviate: youtube.com/watch?v=ickqCzFxWj0

Thanks so much for watching!

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Chapters
0:00 GEPA!
4:40 Step 1: DSPy Program
7:45 Step 2: Load Dataset
11:45 Step 3: Metric with Feedback
13:00 Step 4: Run Unoptimized Eval
13:40 Step 5: GEPA Optimization
23:16 Step 6: Run Optimized Eval