Ollama in Python: Local LLMs for Structured Outputs, Tool Calling, and RAG (2026)
A hands-on 2026 guide to Ollama 0.34 in Python: install the runtime, wire up the ollama client, force JSON-schema outputs with Pydantic, call tools, generate embeddings, and stand up a fully local RAG pipeline against pgvector, with llama.cpp, LM Studio, and vLLM compared.