Verified reference stack

Consultant — Private Chat — Apple 16 GB

Qwen3-4B is a compact local-chat reference for 16 GB unified-memory Macs.

Application

Open WebUI

Open tool profile →
Runtime

Ollama

Open runtime profile →
Model

Qwen3-4B

Open model profile →
Hardware

Apple Silicon 16 GB unified memory

GOOD
Privacy

Fully local chat when only local model providers are enabled

License / terms

Apache-2.0

Evidence

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A reference configuration is most useful when you compare it with alternatives and then apply your own hard constraints.

Freshness rule: Material changes set this stack to REVALIDATION_REQUIRED.