Courses from 1000+ universities
AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.
600 Free Google Certifications
Artificial Intelligence
IT & Networking
Software Engineering
Supporting Victims of Domestic Violence
Know Thyself - The Value and Limits of Self-Knowledge: The Examined Life
Understanding Dementia
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Learn AI Models, earn certificates with free online courses from Stanford, University of Michigan, University of Virginia, CU Boulder and other top universities around the world. Read reviews to decide if a class is right for you.
Build production AI systems: call the OpenAI API with prompt engineering, generate and caption images with DALL-E and CLIP, and deploy RAG pipelines and agents on Amazon Bedrock.
Build an AI-powered code review assistant that analyzes codebases and Git history with LLMs, then delivers reviews through a web API.
Orchestrate AI across local and cloud: run Ollama Modelfiles, llamafile and Rust Candle with CUDA, monitor GPUs, and deploy on AWS Spot instances.
Secure AI models running on Android and iOS: analyze reverse engineering, model theft and adversarial input threats, then apply encryption, obfuscation and OpenTelemetry monitoring.
Learn to evaluate and select foundation models, design flexible routing strategies, and build resilient AI systems with AWS services.
Explore autoencoders, VAEs, GAN dynamics, DDPM and latent diffusion, then scale training with mixed precision, distributed data parallel, and production GPU deployment.
Build a personalized AI tutor by progressing from DeepSeek queries in Python to a full-featured FastAPI web application.
Build a personalized AI tutor by querying DeepSeek and developing a JavaScript web application with Express.
Build a personal AI tutor with DeepSeek in Python by tuning model parameters, managing conversation history, and designing system prompts for tailored guidance.
Build a personalized AI tutor in JavaScript with DeepSeek by tuning responses, preserving conversation history, and managing multiple tutoring sessions.
Build interactive content-generation workflows with Claude by refining prompts, styles, and context modifiers.
Build generative AI solutions on AWS with Amazon Bedrock, RAG pipelines, and Amazon Q Developer, then compile llama.cpp and deploy GGUF-packaged open-source LLMs on EC2 GPUs.
Program Codex with the OpenAI Python SDK to build deterministic engineering workflows that safely plan, apply, and verify repository patches.
Learn how large language models work — transformers, neural networks, embeddings, fine-tuning — then apply prompt engineering with ChatGPT for content creation and ethical model selection.
Use grounding in Vertex AI to make Gemini model responses draw on your own documents and data, working hands-on in the Google Cloud console.
Get personalized course recommendations, track subjects and courses with reminders, and more.