Lilian Weng

Head of Safety Systems at OpenAI. Her blog posts are the gold standard for comprehensive technical surveys — rigorous, well-sourced, and consistently referenced across the ML community.

Topics (34)

3D & Scene Understanding

• NeRF

Agents & Reasoning

• Agent Fundamentals
• Agent Memory
• Agent Skills & Safety
• Multi-Agent Systems

Foundational AI

• Neural Networks
• Optimization Algorithms
• Tokenization
• Word Embeddings

Generative Models

• Diffusion Models

Large Language Models

• Chain-of-Thought
• Function Calling
• Long Context Models
• LoRA & PEFT
• Pre-Training
• Prompting
• RLHF & Alignment
• Scaling Laws
• System Prompts

Multimodal AI

• Contrastive Learning
• Multimodal Fundamentals
• Text-to-Video
• Vision Language Models

Physical AI & Robotics

• Imitation Learning
• Physical AI Foundations
• Physics Simulation
• Reinforcement Learning

Retrieval & Knowledge

• Domain Adaptation
• RAG & Retrieval

Sequence Models & Attention

• Attention Mechanism
• Multi-Head Attention
• RNNs & LSTMs
• Self-Attention
• Transformer Architecture