I. INTRODUCTION
II. Foundations and Integration of SI and LLM
A. Introduction to Swarm Intelligence
B. Fundamentals of Large Language Models
C. Integrating Swarm Intelligence with LLMs
III. Federated LLMs for Swarm Intelligence
A. LLM Architectures in Federated Settings
B. Efficient Fine-tuning of LLM
C. Pre-Training of LLM in Federated Learning
D. Scalable LLM via Federated Learning
E. Security and Privacy in Federated LLM
IV. Learned Lessons and Open Challenges
A. Learned Lessons
B. Open Challenges and Future Directions
V. CONCLUSION