The living catalog
Official academy doors. Watch flags mean “confirm it is still free before you send a teammate.” Last pass: August 2026.
AI Foundations
OpenAI Academy · 60–75 min · Free with ChatGPT account · L0, L1
Fastest official on-ramp.
Applied AI Foundations
OpenAI Academy · 75–90 min · Free with ChatGPT account · L1, L2
Moves you from one-off prompts to workflows.
Agents and Workflows
OpenAI Academy · 75–90 min · Free with ChatGPT account · L2, L3, L4
Official intro to structured agent work.
AI Fluency: Framework & Foundations
Anthropic Academy · 2–4h · Fully free · L0, L1, L2
Best non-technical fluency frame.
Claude 101
Anthropic Academy · ~2.5h · Fully free · L1, L2
Product fluency for Claude.
AI Fluency for Small Businesses
Anthropic Academy · 2–3h · Fully free · L1, L2
Good owner-operator track.
Claude Code in Action
Anthropic Academy · 3–5h · Fully free · L3, L4
For people ready to work in a repo.
Building with the Claude API
Anthropic Academy · 8h+ · Fully free · L4
Developer production path.
Intro to Model Context Protocol
Anthropic Academy · 3–5h · Fully free · L4
Tool-use / agent infrastructure.
Grow with Google: AI training Re-verify free status
Google · 2–8h · Free modules; Coursera siblings often paid · L0, L1
Use only modules that stay free on grow.google.
Introduction to Generative AI
Google Skills · ~2h · Free badge path · L0, L1
Short conceptual intro.
Machine Learning Crash Course
Google · ~15h · Fully free · L3, L4
Serious ML literacy, not a chatbot class.
Generative AI for Beginners
Microsoft · 21 lessons · Fully free (GitHub) · L2, L3
Best bridge from user to builder.
AI for Beginners
Microsoft · 12 weeks · Fully free · L2, L3, L4
Broader AI survey.
Microsoft Learn AI paths / Copilot
Microsoft · Self-paced · Fully free · L1, L2
Best if the workplace is already M365.
Generative AI Explained
NVIDIA · 2–4h · Free DLI course · L1, L2
Clean conceptual gen-AI primer.
IBM SkillsBuild: AI Foundations
IBM · Self-paced · Fully free · L0, L1
Good second beginner path.
AWS Skill Builder AI/ML fundamentals Re-verify free status
AWS · Self-paced · Large free catalog · L2, L3
Use free digital courses only.
Hugging Face LLM Course
Hugging Face · 12 chapters · Fully free · L3, L4
Requires Python.
Hugging Face Agents Course
Hugging Face · Self-paced · Fully free + certificate · L4
Best free agent-builder sequence.
DeepLearning.AI short courses Re-verify free status
DeepLearning.AI · 1–7h each · Watch free; policy can flip · L1, L2, L3
Use as targeted modules, not a degree.
Learn Prompting
Learn Prompting · Self-paced · Fully free textbook · L1, L2
Vendor-neutral prompting manual.
Prompt Engineering Guide
DAIR.AI · Reference · Fully free · L2, L3
Desk reference, not week 1.
Practical Deep Learning for Coders
fast.ai · 7–9 lessons · Fully free · L4
Only after you can code.
Kaggle Learn
Kaggle · 3–8h · Fully free · L2, L3
Hands-on notebooks.