Index Ai Academy
Interview questions

AI interview questions and answers

Questions that test whether you can use an idea and explain it, each with a model answer and the lesson that teaches it. Read the first answers on any page, and a free account opens the rest.

These come from the academy's lessons. They aren't a list collected from real interviews.

19 questions

Deep learning interview questions and answers

Questions on how neural networks train and fail: backpropagation, activations, vanishing gradients, optimizers, normalization, and debugging a model that won't learn.

28 questions

LLM interview questions and answers

Questions on how language models work inside and how they're trained and served: attention, tokenization, GPT architecture, fine-tuning, RLHF, quantization and inference.

10 questions

RAG interview questions and answers

Questions on retrieval-augmented generation: embeddings, chunking, vector databases, hybrid search and keeping answers grounded.