Ollama
Run large language models locally with a simple Python API — supports Llama, Mistral, Gemma, and dozens more open-source models
Visit Ollama →Ollama packages running an open-source LLM locally into a single command — ollama run llama3 downloads and starts the model, with a local REST API and Python client for calling it from code afterward. No cloud API key, no per-token cost, and your data never leaves the machine.
The trade-off is hardware: local models are constrained by your own GPU/RAM rather than a cloud provider’s infrastructure, so it’s a better fit for development, privacy-sensitive use cases, or smaller models than for production workloads needing the largest available models.
See What Is Ollama? Running LLMs Locally Explained for the full picture, including how it compares to a hosted API.