Free, project-first courses on AI, LLMs, and modern engineering. Built and maintained by the GeekHub team. No fluff, no fake testimonials.
1
Courses live
16
Modules total
2026
Stack year
40-60
Hours
A free, hands-on, 2026-updated AI and LLM course. Learn how ChatGPT works, master prompts, use the OpenAI and Gemini APIs, build a PDF chatbot with RAG, and deploy it.
Every lesson follows the same loop: explain it simply, go technical, show production reality, then build it.
First prompts in Module 4. First chat app in Module 6. A real PDF chatbot by Module 9. You learn by shipping.
Current models, current SDKs, current vector DBs. Updated quarterly so nothing rots under your feet.
Hallucinations, prompt injection, bias, privacy. You learn responsible AI as part of the build, not as an afterthought.
Every module, lab, and the certificate stay accessible from day one. The content is the product.
Every lesson is built around the same repeatable pattern, so the second week of the course feels like the second hour: familiar, fast, and useful.
# lesson structure
Hook Beginner analogy Concept explanation Technical breakdown Visual learning suggestion Interactive element Hands-on lab Mini exercise Common mistakes Debugging tips Knowledge check Quiz Challenge task Real-world use cases Industry insight Interview questions Summary
A verifiable proof URL plus a public showcase for your capstone. We issue it after the GeekHub team reviews your submission.
No. Module 5 includes a 30-minute Python primer covering only the eight building blocks you actually need for AI.
Most learners finish in four to eight weeks at six to ten hours per week. You can move faster or slower without losing access.
Locally, in your browser. There is no signup wall to start. Progress is bound to this device so it does not sync across browsers yet.
After you ship the capstone and pass the module quizzes, the GeekHub team reviews and issues a verifiable certificate with a public proof URL.
No signup wall. Open the first lesson and start. Your progress saves in your browser as soon as you mark a lesson complete.
Built and maintained by the GeekHub team. Updated for the 2026 AI stack.