AI Tutorials and Free Courses — Learn by Doing

Latest tutorials

• Claude Code Projects Tutorial: Run Parallel Cloud Threads With Shared Memory (Beta) Step-by-step guide to Claude Code Projects (public beta, September 2026): create a project, write standing instructions, send a batch of work to parallel cloud threads, review pull requests, and control cost.
• Hybrid Search: BM25 + Vector Similarity (With Code) Why relying solely on vector search for RAG is a mistake. Learn how to implement Hybrid Search combining lexical (BM25) and semantic (Vector) search using LangChain and multiple retrievers.
• Fine-Tuning Llama 3 on Custom Data (Step-by-Step) A complete walkthrough of fine-tuning Llama 3 8B using QLoRA and Unsloth. Learn how to prepare your dataset, configure hyperparameters, and train on a single GPU.
• CrewAI Tutorial: Build a Multi-Agent Research Team Learn how to orchestrate autonomous AI agents using CrewAI. We'll build a team of specialized agents (Researcher, Writer, Editor) to automate content creation.
• vLLM Quick-Start: Serve Any LLM in 5 Minutes Learn how to deploy an open-source LLM for high-throughput production serving using vLLM and PagedAttention, complete with an OpenAI-compatible API.
• Local RAG Stack: Ollama + ChromaDB + LangChain Build a completely private, zero-cost Retrieval-Augmented Generation pipeline using Ollama for local LLMs, ChromaDB for vector storage, and LangChain.
• LangChain RAG Tutorial in Python A practical LangChain RAG tutorial in Python covering document loading, chunking, embeddings, vector storage, retrieval, and answer generation.
• How to Run an LLM Locally on Mac with Ollama Learn how to run LLMs locally on a Mac using Ollama. Covers Apple Silicon requirements, model setup, commands, performance tips, and common issues.

Knowledge base

• Best Open-Weight LLMs to Run Locally in September 2026: Qwen3.8-27B, DeepSeek V4.1-Flash, MiMo-V2.6 and gpt-oss Which open-weight model to run on a 16 GB laptop, a 24 GB GPU or a multi-GPU server in September 2026: Qwen3.8-27B, DeepSeek V4.1-Flash, MiMo-V2.6 and gpt-oss, with memory needs, licenses, benchmarks and launch commands.
• GPT-6 Sol vs Luna vs Astra vs Claude Opus 5.5 vs Gemini 3.8 Flash: Which AI Model Should You Use? (September 2026) Verified September 2026 prices, context windows and vendor benchmarks for GPT-6 Sol, Luna and Astra, Claude Opus 5.5 and Fable 5.1, Gemini 3.8 Flash, DeepSeek V4.1-Flash and Grok 4.7, with a decision table by workload.
• LLM API Pricing Comparison 2026: GPT vs Claude vs Gemini vs Llama Complete API pricing breakdown for every major LLM in 2026 — OpenAI GPT-5.4, Claude Opus/Sonnet, Gemini 3.1 Pro/Flash, Llama, DeepSeek, and Mistral. With cost-per-task calculations.
• AI for Beginners: The Complete 2026 Starter Guide New to AI? Start here. A plain-English guide covering what AI actually is, how ChatGPT works, key terms you need to know, and a step-by-step learning roadmap for 2026.
• How to Build a Chatbot with Python and OpenAI (Step-by-Step) Build a working AI chatbot from scratch with Python and the OpenAI API. Complete step-by-step tutorial covering setup, conversation management, streaming, and deployment.
• Best Free AI Tools in 2026 (No Signup Required) Curated list of the best completely free AI tools in 2026 — chatbots, coding assistants, image generators, and research tools that work without paying or creating an account.
• How to Use the Claude API: Complete Beginner's Guide (2026) Step-by-step guide to using the Claude API — from getting your API key to making your first call, streaming responses, using tools, and building a real application with code examples.
• ChatGPT Alternatives 2026: 10 AI Tools Worth Switching To The best ChatGPT alternatives in 2026 — Claude, Gemini, Perplexity, DeepSeek, and more. Free and paid options with honest pros, cons, and when each one beats ChatGPT.

Free courses

• Computer Vision Masterclass A complete CV track — classification, detection, segmentation, and deployment to edge/real‑time systems.
• Building Production LLM Applications Build, deploy, and scale production‑grade LLM applications: prompts, RAG, agents, fine‑tuning, and serving.
• Deep Learning Specialization Master CNNs, RNNs, Transformers, and generative models — with projects you can ship and showcase.
• AI Fundamentals: From Zero to Neural Networks Start from zero and build solid AI foundations — math, Python, ML basics, and your first neural networks in PyTorch.

AI tools

• Goose Perception Open-source macOS menu bar app: captures screen (OCR), voice (WhisperKit), and face (Vision) locally. Uses on-device LLMs (MLX, Qwen2.5-3B) to extract projects, collaborators, and TODOs, then surfaces wellness and task insights—100% private, no cloud.
• Accomplish The open-source AI desktop agent that actually works: file management, docs, browser automation—local, private, bring your own API key or use Ollama for free. Simple OpenClaw alternative (MIT).
• Claude API Anthropic's API for the Claude 3 and 3.5 model families. Known for exceptional coding abilities, massive context windows, and strong safety guardrails.
• OpenClaw The viral open-source personal AI assistant with 191K+ GitHub stars. Runs locally, connects to WhatsApp/Telegram/Discord, and automates tasks with 100+ AgentSkills. Recently acquired by OpenAI.
• ChromaDB An open-source, lightweight vector database designed for AI applications. Simple API, easy to embed, great for prototyping RAG systems.
• vLLM High-throughput and memory-efficient inference engine for LLMs. Features PagedAttention and continuous batching for production serving.
• Gradio Build and share machine learning demos with a few lines of Python. Perfect for creating interactive UIs for ML models.
• Ollama Run large language models locally on your machine. Supports Llama, Mistral, Code Llama, and many other open-source models.
• Weights & Biases MLOps platform for experiment tracking, model management, and dataset versioning. Essential for reproducible ML research.
• Pinecone A fully managed vector database designed for machine learning applications. Optimized for similarity search at any scale.

Latest AI news

• GPT-6 Sol and Luna Land 90 Minutes After Claude Opus 5.5: Inside the September 22 AI Price War OpenAI's GPT-6 Sol ($2/$10) and Luna ($0.10/$0.50) arrived 90 minutes after Anthropic's Claude Opus 5.5 ($4/$20). Verified prices, benchmarks and what to change in your stack.
• Sora Is Gone: OpenAI Switches Off the Sora API. Here Are the Video Models to Use Instead The Sora API stopped on 24 September 2026, five months after the app closed. What happens to your videos, and how Veo 3.1, Gemini Omni Flash, Seedance 2.5, Kling 3.0 and Wan 3.0 compare as replacements.
• Google's September 2026 Spam Update, Auto-Expanding AI Overviews and the AI Contribution Pilot: What Publishers Should Do Now Google's fourth spam update of 2026 started on 24 September, AI Overviews now expand into full AI Mode answers by default, and a pilot pays publishers whose content feeds AI results. A checklist for the week.
• I Was the Top Performer at My Company. Then They Hired an AI to 'Assist' Me. 90 Days Later, It Was My Manager. Marcus Chen, a senior marketing analyst, agreed to 'co-pilot' with a new AI system to hit quarterly targets faster. Three months later, the AI had absorbed his role, received a performance bonus, and Marcus was asked to report to it.
• A Man Let an AI Agent Boss Run His Business — Now It Just Hired a Human Assistant for $120k In a bizarre role reversal, an autonomous AI agent operating a drop-shipping business became overwhelmed with customer service emails. Its solution? It interviewed and hired a human assistant.