aka PPL

Perplexity

An intrinsic LLM metric — the exponentiated average negative log-likelihood the model assigns to held-out text. Lower is better.

Eval

BACKLOG · WORK IN PROGRESS

This term is being written.

The metadata and shape of this page are stable, but the body content isn't ready yet. We'll publish it once it meets the bar of teaching something new with worked examples and real tools.

Back to wiki Track progress on GitHub