Today, I'm launching llmdojo.dev: - The hands-on way to learn AI engineering: LLMs, RAG, agents, evals and inference. - 50+ interactive labs. Tweak tokenizers, attention, embeddings and KV caches live. - Train a neural network in your browser and watch it learn. - Build agentic workflows with tool calls, memory, guardrails and bounded autonomy. - Ship RAG that works: chunking, hybrid search, reranking, and LLM-as-a-judge evals. - Production AI: model routing, fallbacks, quantization, caching and cost per request. - 490+ interview questions, reported from OpenAI, Anthropic, Google, Meta, Amazon, Microsoft, Mistral and 50+ more. - Every answer is cited from papers and books, or measured on real models.