Why it matters

Ollama enables local LLM in Spring apps. Understanding shapes local ops.

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The architecture

Ollama server on localhost.

Spring AI OllamaChatModel client.

Model pull + serve.

Spring AI Ollama stackOllama serverlocalOllamaChatModelSpring AI clientLocal modelLlama / Mistral / etc.Great for dev, air-gapped, or privacy-sensitive workloads
Ollama.
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How it works end to end

Ollama pull llama3.2.

Spring AI base-url = http://localhost:11434.

Same ChatClient API.