The living catalog

Official academy doors. Watch flags mean “confirm it is still free before you send a teammate.” Last pass: September 2026.

AI Foundations

OpenAI Academy · 60–75 min · Free with ChatGPT account · L0, L1

Fastest official on-ramp. GPT-6 Astra / GPT-6 Pro is available on paid ChatGPT plans (Plus: Work/Codex only) — not this Academy door. Check Help Center allowances.

Official site

Applied AI Foundations

OpenAI Academy · 75–90 min · Free with ChatGPT account · L1, L2

Moves you from one-off prompts to workflows.

Official site

Agents and Workflows

OpenAI Academy · 75–90 min · Free with ChatGPT account · L2, L3, L4

Official intro to structured agent work.

Official site

AI Fluency: Framework & Foundations

Anthropic Academy · 2–4h · Fully free · L0, L1, L2

Best non-technical fluency frame.

Official site

Claude 101

Anthropic Academy · ~2.5h · Fully free · L1, L2

Product fluency for Claude. Fable 5.1 shipped 1 Sep 2026 — not on Free; check Settings → Usage on claude.ai.

Official site

AI Fluency for Small Businesses

Anthropic Academy · 2–3h · Fully free · L1, L2

Good owner-operator track.

Official site

Claude Code in Action

Anthropic Academy · 3–5h · Fully free · L3, L4

For people ready to work in a repo. Claude Code’s default Fable is now Fable 5.1; start most work on Opus 5, use Fable 5.1 for long-horizon agentic work. Weekly limits: temporary +50% promo ended Sep 13; from Sep 14 permanent +25% vs pre-May baseline (Help Center). Check /usage.

Official site

Building with the Claude API

Anthropic Academy · 8h+ · Fully free · L4

Developer production path. API id claude-fable-5-1: 1M context; $10 / $50 per MTok; cache reads $0.25 / MTok (75% cut vs Fable 5).

Official site

Intro to Model Context Protocol

Anthropic Academy · 3–5h · Fully free · L4

Tool-use / agent infrastructure.

Official site

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. Re-verify free; Coursera siblings often paid. Gemini 4 Argon (GA Oct 13; Pro/Ultra), Gemini 3.8 Flash, and Gemini 3.8 Live / Live Extended Thinking are model surfaces, not this door.

Official site

Introduction to Generative AI

Google Skills · ~2h · Free badge path · L0, L1

Short conceptual intro.

Official site

Machine Learning Crash Course

Google · ~15h · Fully free · L3, L4

Serious ML literacy, not a chatbot class.

Official site

Generative AI for Beginners

Microsoft · 21 lessons · Fully free (GitHub) · L2, L3

Best bridge from user to builder.