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Ollama
Run open-weight LLMs like Llama, Qwen, and DeepSeek locally on your own machine.
4.7 (5,200 reviews)
About Ollama
Ollama is an open-source tool for downloading and running open-weight language models — Llama, Qwen, DeepSeek, Mistral, and many others — entirely on your own hardware. It wraps the complexity of local model serving into a simple CLI and exposes an OpenAI-compatible API, which is why it's become the default local backend for a huge range of other open-source AI tools, including several others in this list. Once a model is downloaded, everything runs offline, with no data leaving your machine and no per-token costs.
Key Features
- One-command install and run for open-weight models
- Supports Llama, Qwen, DeepSeek, Mistral, and many more
- OpenAI-compatible REST API
- Works on Mac, Windows, and Linux
- Fully offline after a model is downloaded
Best For
- Running AI models fully offline for privacy or cost reasons
- Powering other open-source tools with a local model backend
- Experimenting with open-weight models without per-token API costs
Pros
- Completely free and open-source
- Full data privacy — nothing leaves your machine
- Huge and fast-growing library of supported models
- Simple CLI with minimal setup
Cons
- Performance depends entirely on your own hardware
- Larger models need a capable GPU to run well
- No built-in chat UI — typically paired with another tool for that
