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Who it's for
Students
Graduate with proof, not just a degree.
Professionals
Be the one at work who actually knows AI.
Executives
Make the AI call with confidence.
Teams
Upskill the whole team, and measure it.
Educators
Teach what you know. Get paid fairly.
Platform
Pathfinder roadmaps
Your goal in, a week-by-week plan out.
Squad Mode
Study rooms with friends, a timer and a mood.
Verified Credentials
Proof you can do it, checkable in one click.
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Prove a topic, then get paid to teach it.
Ask the Library
Ask anything. Get the exact lesson.
Study tools
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Resources
The library
Every course, module and topic.
AI of the Week
One development, explained.
Executive briefings
Twenty minutes on strategy and risk.
Paper Club
One paper a week, reproduced.
Office hours
AMAs, workshops, study halls.
Research Labs
Guided research, public showcase.
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Library
/
Machine Learning (Supervised + Unsupervised)
/
Supervised Learning by Building
topic
S02 路 Build: An Evaluation Harness (used for every model)
Classification metrics from the confusion matrix
10 min
Ranking metrics: ROC-AUC and PR-AUC
10 min
Thresholds, costs and calibration
10 min
Regression metrics
10 min
Cross-validation done right
10 min
Total: 0.8 h of applied study listed above.
S02 路 Build: An Evaluation Harness (used for every model) 路 1x1labs.ai