~/talk

Do you know how well your model is doing? Evaluate your LLMs

Talkat PyData London 2026 · on Friday, 2026-06-05· at 16:00· Grand Hall 1· [large-language-models, machine-learning]
slides:none on file

Hands-on workshop that shows how to fine-tune a small GPT2 locally on GSM‑8K, run comparisons between two models (GPT2 and Qen) with Lighteval, and plug custom tasks and metrics into an evaluation pipeline; repo and scripts are provided so attendees actually download models, run three exercises, and see numbers not just claims. It reports accuracy scores, discusses safety/guard‑rails, and notes experiments sometimes succeed and sometimes fail Hugging Face Transformers custom metrics

AI-written summary · about

  1. 0:00Introduction
  2. 3:52Why evaluating LLMs matters
  3. 10:00Fine-tuning GPT2 on math reasoning
  4. 13:14Comparing models with lighteval
  5. 21:38Custom tasks and metrics
  6. 25:36Closing
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