| Model Type | Main Goal | Key Idea |
|---|---|---|
| Dense | Raw capability | Single large network |
| MoE | Efficiency | Specialists |
| Agentic | Autonomy | Act + plan |
| RAG | Accuracy | External memory |
| Tool-use | Precision | External skills |
| Small models | Deployment | Optimize learning |
| Multimodal | Realism | Multiple senses |
| World models | Simulation | Predict environments |
| Multi-agent | Complexity | Collaborative intelligence |
| Reasoning models | Depth | Structured thinking |