Open · Free
WDEV Lab — AI for developers
Every lesson is a split screen: a short explanation on the left, a playground that runs in your browser on the right. Nothing to install; lessons that call an API use your own key.
- 01Models don't read words. They read tokensOpen
- 02What will this chatbot cost per month?Open
- 03Which prompt is better? Run both and find outOpen
- 04Force the model to return valid JSONComing
- 05How machines understand “similar meaning”Coming
- 06RAG: let the model read your documentsComing
- 07The agent loop, one step at a timeComing
- 08How do you know your change made it better?Coming