intermediate · 4h · 3 lessons
Evals: How to Know Your AI Works
The discipline that separates 'demo magic' from 'production reliable'.
By the end of this course you will be able to:
- Build an eval harness for any LLM feature in under an hour
- Use LLM-as-judge correctly — and know when not to
- Set up regression testing so a model upgrade can't silently break your product
Lessons
LESSON 1
The Eval Mindset
If you wouldn't ship code without tests, don't ship LLM calls without evals.
12 min →
LESSON 2
Deterministic Evals
Use these whenever you can — they're fast, free, and unambiguous.
14 min →
LESSON 3
LLM-as-Judge — Done Right
When subjective quality matters, use a strong model to grade a weaker one. But beware the pitfalls.
18 min →