AJ University  ·  Free AI Education

Learn AI from
first principles.
Free. Forever.

90 courses covering everything from how a model learns to building enterprise AI systems. No paywalls, no prerequisites, no fluff.

13 Courses live
90 Courses planned
540+ Free articles
0 Cost

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Start learning today

All ten courses are fully built: index, six modules, capstone, and a six-part blog series each.

Course 01 Live
Model Development Fundamentals

What a model is, how the training loop works, data and tokenization, the transformer architecture, scaling and evaluation, and fine-tuning and alignment.

6 modules Beginner Free
Course 02 Live
Prompt Engineering Fundamentals

What a prompt is, the anatomy of a prompt, zero-shot and few-shot and chain-of-thought, prompt patterns, avoiding bad outputs, and applying it to your use case.

6 modules Beginner Free
Course 03 Live
AI Agents and Agentic Systems

What agents are, how they use tools through function calling, memory types, multi-agent coordination, failure modes, and building your first agent from scratch.

6 modules Intermediate Free
Course 04 Live
Fine-Tuning Large Language Models

When to fine-tune versus prompt, datasets and labeling, LoRA and QLoRA parameter-efficient methods, instruction tuning and RLHF, evaluation, and deploying a fine-tuned model.

6 modules Intermediate Free

Coming soon

86 more courses in the sprint

Publishing daily. Each course includes 6 modules, a capstone, and a 6-part blog series.

Course 05 Live
Retrieval-Augmented Generation

Vector databases, embeddings, chunking strategies, RAG pipelines, and evaluating retrieval quality.

6 modulesIntermediate
Course 06 Live
AI for Enterprise Leaders

Building the business case, choosing vendors, governance, risk, and leading an AI transformation.

6 modulesExecutive
Course 07 Live

Benchmarks, human evaluation, automated metrics, red-teaming, and the MEDFIT-LLM framework for domain-specific evaluation.

6 modulesIntermediate
Course 08 Live
AI Safety and Alignment

What alignment means, RLHF, Constitutional AI, jailbreaks, and what safety research looks like today.

6 modulesAll levelsFree
Course 09 Live
LLMs from Scratch

Transformers, tokenization, pretraining objectives, RLHF and DPO, inference efficiency, and scaling laws. No black boxes.

6 modulesAdvancedFree
Course 10 Live
The Agent Inflection Point

What the shift to agentic AI demands from enterprise teams: failure modes, infrastructure, governance, use case selection, and an 18-month pilot-to-scale roadmap.

6 partsAdvancedFree
Course 11 Live
Forward Deployed Engineer

The role that ships enterprise AI in weeks, not years. Discovery sprints, rapid pilots, demos that close, handoff protocols, and how to grow as an FDE.

6 modulesIntermediateFree
Course 12 Live
AI for C-Suite Leaders

Board-ready AI fluency: business case frameworks, governance obligations under EU AI Act, buy/build/partner decisions, the CAIO question, and an 18-month roadmap.

6 modulesExecutiveFree
Course 13 Live
Multimodal AI: Text, Vision, and Audio

Vision-language models, document AI for PDFs and invoices, audio transcription and diarization, cross-modal retrieval, multimodal agents, and enterprise deployment.

6 modulesIntermediateFree

Learning paths

Know where to start

Pick the path that matches where you are today.

01
Absolute Beginner

Start with Model Development Fundamentals, then Prompt Engineering. No math required.

02
Business Leader

Prompt Engineering first, then AI for Enterprise Leaders, then AI Governance.

03
Technical Practitioner

Model Development, then Fine-Tuning, then RAG, then Inference Optimization.

04
AI Product Builder

Prompt Engineering, then AI Agents, then RAG, then Evaluating AI Models.

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