llms

## What I do - Apply LLMs to solve problems - Design LLM applications - Create effective prompts - Evaluate LLM outputs - Optimize LLM usage ## When to use me Use me when: - Building AI-powered products - Automating text tasks - Need natural language understanding ## Key Concepts ### LLM Capabilities - **Text generation**: Complete, continue, summarize - **Question answering**: Extract, generate - **Translation**: Multilingual - **Classification**: Sentiment, intent - **Code**: Generation, completion - **Reasoning**: Chain-of-thought ### Model Selection - **GPT-4**: General purpose, strong reasoning - **Claude**: Helpful, Claude constitutional AI - **LLaMA**: Open source, efficient - **Mistral**: Fast, open source - **Code models**: CodeGen, CodeLlama ### Cost Optimization - Use smaller models when possible - Implement caching - Batch requests - Optimize prompt length - Use streaming for long outputs