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Ollama packages model download, management, and local inference behind a command-line interface, desktop application, and local API. It is commonly used as a backend for chat interfaces and applications that speak an OpenAI-compatible protocol.

Local execution can keep prompts on the device, but the complete data path depends on the client and model configuration. Cloud model routes, web search, tools, plugins, logs, and a network-exposed API can move content outside the endpoint.

Private AI competitors treats Ollama as an accessible local runtime within the broader deployment discipline of Local AI.