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	Jan Open-source ChatGPT that runs offline.	Ollama Run LLMs on your own machine.	LM Studio Desktop app for local LLMs.
Rating	—	—	—
Pricing	Free	Free	Free
Open source
Category	Local Inference	Local Inference	Local Inference
Key features	Local chat UI OpenAI-compatible local server Model hub built in	One-command model running OpenAI-compatible local API Model library with quantizations	Model discovery and download UI Chat interface with presets Local OpenAI-compatible server
Pros	Private, offline, and free Friendlier than raw llama.cpp	Total privacy, no cloud Dead-simple developer experience	Friendliest way into local AI No terminal required
Cons	Needs decent RAM Younger than LM Studio	Needs decent RAM/GPU Local models trail frontier quality	Closed source Heavy download sizes
	Visit jan.ai	Visit ollama.com	Visit lmstudio.ai

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