Sector file // ai-engineering
AI ENGINEERINGDECODED.
Prompts, RAG, agents & evals
83 Questions48.5k Views3.5k Upvotes
15 easy46 med22 hard
Easy
3 questionsWhat is a Large Language Model and how does it generate text?
AI Engineering · 1.1k views · llm, transformer, fundamentals
Views:1.1kLikes:65
What is RAG and why use it instead of fine-tuning for knowledge?
AI Engineering · 600 views · rag, retrieval, fine-tuning
Views:600Likes:68
What are hallucinations and what causes them?
AI Engineering · 303 views · hallucination, grounding, reliability
Views:303Likes:7
Medium
7 questionsWhat is the difference between a base model, an instruction-tuned model and a chat model?
AI Engineering · 1.1k views · base-model, instruction-tuning, rlhf
Views:1.1kLikes:65
Embeddings in 2025-26: how do you choose model, dimensions, and distance?
System Design · 972 views · embeddings, matryoshka
Views:972Likes:75
How do multimodal models handle images, audio and other non-text inputs?
AI Engineering · 872 views · multimodal, vision, audio
Views:872Likes:3
What is the difference between fine-tuning, LoRA and prompt engineering?
AI Engineering · 841 views · fine-tuning, lora, prompt-engineering
Views:841Likes:70
Hybrid search: why combine BM25 with vectors and how does RRF work?
System Design · 754 views · hybrid-search, bm25
Views:754Likes:28
How do you handle PII and sensitive data when calling LLM APIs?
AI Engineering · 315 views · pii, privacy, compliance
Views:315Likes:22
What are RLHF and DPO, and how do they turn a base model into an assistant?
AI Engineering · 274 views · training, alignment
Views:274Likes:67
Hard
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