Changelog
What's new
New lessons and features, newest first.
A 30-day plan, a page for every AI term and free certificates
- Learn AI in 30 days: a night-by-night plan through every lesson, with review nights and calendar reminders you can download.
- Every glossary term now has its own page with a plain-English answer, an everyday example and the lessons that teach it. Twelve new terms, from machine learning to AGI.
- A guide to free AI courses with certificates, from Harvard, the University of Helsinki, IBM, Kaggle and Hugging Face.
- Lessons list the key terms they use, and each lesson can be read as plain text by AI assistants by adding .md to its address.
Twelve new lessons, offline reading and an app you can install
- Twelve new lessons, from a short history of AI to mixture-of-experts models.
- Install AI in Bed on your phone's home screen, and save a whole level or track to read with no signal.
- Every lesson now has a "Suggest an edit" link, and there's a guide for anyone who wants to help.
- This page, so you can see what changed since your last visit.
- A short history of AIBeginner · 6 min
- AI you already useBeginner · 5 min
- Will AI take my job?Beginner · 6 min
- How AI makes picturesBeginner · 6 min
- Decision trees and random forestsIntermediate · 7 min
- Finding groups: clusteringIntermediate · 6 min
- How text becomes tokensIntermediate · 7 min
- How recommendations workIntermediate · 7 min
- How models are served: prefill, decode and the KV cacheAdvanced · 8 min
- Mixture of experts: big models, small billsAdvanced · 8 min
- Distillation and the rise of small modelsAdvanced · 7 min
- AI with a body: robots that learnAdvanced · 8 min
Play with the ideas: explainers, Python, tracks and listening mode
- Eight interactive explainers you can drag and tweak, from a single neuron to diffusion.
- Python examples that run right in the browser.
- Lessons on phones became swipeable cards.
- Listening mode reads lessons aloud, with a sleep timer.
- Four learning tracks and a final check with a shareable card for each level.
- Talking to AI: prompting wellBeginner · 6 min
- AI at work: good at, bad atBeginner · 6 min
- Spotting AI fakesBeginner · 5 min
- Using AI wisely: privacy, bias, judgementBeginner · 5 min
- How we test language modelsIntermediate · 7 min
- Seeing and hearing: multimodal modelsIntermediate · 6 min
- Open-weight models and running AI yourselfIntermediate · 6 min
- Agents: loops, tools and memoryAdvanced · 8 min
- Thinking before answering: reasoning modelsAdvanced · 7 min
- Keeping AI on our side: alignment and interpretabilityAdvanced · 8 min
A new look, search and nightly review
- A calmer, classier design with a new moon-and-stars logo.
- Search across lessons and the glossary, tap-to-define terms and a nightly streak.
- Spaced review brings back quiz questions just before you'd forget them.
AI in Bed launches
- Twenty lessons across three levels, with infographics and quick quizzes.