Prompt Engineering Chain-of-thought (CoT) Self-Consistent Tree-of-thought (ToT) Zero-shot Few-shot ReAct Reflexion Prompt Chaining OpenAI Agent Function Calling RAG & Embedding Semantic Kernel (SK) Fine-tuning Frameworks Spring AI LangChain LangeSmith LangGraph LlamaIndex Models HuggingFace LM Studio Ollama Llama ChatGLM