Build skills that make you indispensable.

Learn smarter with fast, personalized lessons designed for the AI era.

Ask a question, or pick a topic below
Forward-deployed engineeringBuilding LLM agentsPython basicsFault-tolerant systemsHow neural networks learnPointers in C++Technical project management
Bite-sized lessonsBacked by science3M+ learners

How Fenzo works

The perfect course has never been created. Until now.

Ask a question, or upload a file.

Type what you need to understand. Or bring a doc, a deck, or meeting notes and start from those.

Test Prep

Pass the certification.

AWS, PMP, CPA and more. A diagnostic first, then a plan built around your weak areas.

  • Mock examsTimed and weighted like the real one
  • DiagnosisYour score read domain by domain
  • PrimerA short course on your weakest area
  • FlashcardsQuick recall drills on key facts
See Test Prep

AI Roleplays

Practice difficult work conversations.

Chat out loud with our trained AI. Get it right before the real deal.

  • Pick a scenarioDrill real-world situations
  • Turn on your micIt's a spoken conversation, not a chatbot
  • Start talkingThe AI will respond in character
  • Get feedbackPlus an annotated transcript
See AI roleplays

Master 21st century skills.

Here are the most in-demand skills people are learning right now.

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Fenzo for Business — team learning dashboard showing assigned courses, completion, and per-person progress

Get Fenzo for your whole team.

Seats, rollout, and reporting included.

Try Business

Questions, answered.

The things people ask before they start.

Who is Fenzo for?
From project managers and operators to founders, analysts, and teams adopting AI, Fenzo is for people who want to get better at the work they already do.
What can I learn with Fenzo?
Anything from using AI for project planning and analysis to improving workflows, decision-making, communication, and delivery. If you can describe the skill or task, Fenzo can build a course around it.
Can Fenzo build a course for my specific job?
Yes. Tell Fenzo what you do, what you’re trying to accomplish, and where you’re stuck, and Fenzo will shape the course around your role, your goals, and the work you actually have to do.
Do I need to be good at AI already?
No. Fenzo adapts to your starting point, so you can begin with the fundamentals or jump straight into more advanced work.
Can my team use Fenzo together?
Yes. Fenzo for Business puts the whole team on one plan — shared seats, courses you can assign, and reporting on who has finished what. See Fenzo for Business
How does Fenzo know what I need to learn?
You start by describing your goal or taking a short skill benchmark. Fenzo uses that context to identify gaps and shape the learning experience around them.
Can I use Fenzo on mobile?
Yes, Fenzo works in your mobile browser.

Backed by the science of learning.

Three findings from decades of learning research shaped how every Fenzo lesson is built.

Active learning > passive learning.

59%
Passive
73%
Active

Average pass rate · Freeman et al., PNAS 2014

What the science says

Students who get hands-on are 1.5× more likely to pass their class.

How Fenzo does it

Every Fenzo lesson is interactive. No passive reading or watching, ever.

AI atrophy is real.

You work through itAI does it for you
what stayswith you
Right after learningWeeks later

Skill retention over time · with vs. without practice

What the science says

Offloading thinking to AI erodes the very skills you're trying to build.

How Fenzo does it

Fenzo makes you do the thinking — guided, but never done for you.

Answers ≠ understanding.

Retrieval practiceRe-reading
5 min2 days1 week

Long-term recall · retrieval vs. re-reading

What the science says

Recalling information beats re-reading it for building durable understanding.

How Fenzo does it

Lessons weave in quizzes and recall prompts, so it sticks.

Start with the thing you
keep meaning to learn.

Free to start. No card, no trial clock.

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