Ollama

Free tier

The easiest way to build and run open-source AI models locally

Free tier available·All audiences·Powered by Open-source models (Llama, Mistral, Gemma, etc.)·API available·Open source

Key strengths

Run open-source LLMs fully offline and locallyOne-command install and model management via CLIOpenAI-compatible REST API for easy integrationOptional cloud tier for larger, faster modelsPrivacy-first — data is never used for training

Free tier + paid plans · from $20 USD/mo

San Francisco, United States

Founded 2023

Self-hostable

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Ollama provides a lightweight runtime for running large language models (LLMs) locally, exposing an OpenAI-compatible REST API (http://localhost:11434) that makes it a drop-in backend for many existing tools and frameworks. It handles model quantization, hardware acceleration (CPU, Apple Silicon via Metal, NVIDIA/AMD GPUs via CUDA/ROCm), and lifecycle management through a simple CLI and API surface. The ollama binary bundles everything needed — model weights are pulled from the Ollama model registry with a single command (ollama pull <model>). For scaling beyond local hardware, Ollama Cloud offers datacenter-grade inference with parallel request handling and real-time web access, accessible via the same API interface.

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