April 2026 TLDR Setup for Ollama and Gemma 4 26B on a Mac mini
gist.github.com
April 3, 2026
4 min read
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Summary
Ollama can be installed on a Mac mini with Apple Silicon using Homebrew with the command `brew install --cask ollama-app`, which includes auto-updates and the MLX backend. A minimum of 16GB of unified memory is required for running Gemma 4, and the Ollama app will appear in the Applications folder and the menu bar after installation.
Key Takeaways
- Ollama requires a Mac mini with Apple Silicon and at least 16GB of unified memory to run Gemma 4 effectively.
- The Ollama app can be installed via Homebrew and includes features for auto-updates and a command-line interface.
- To keep the Gemma 4 model loaded in memory, a launch agent can be created to send periodic prompts to Ollama.
- Ollama exposes a local API for chat completion, allowing integration with coding agents using standard HTTP requests.
Community Sentiment
Positives
- The interest in local models like Ollama suggests a growing desire for accessible AI tools that can be run on personal hardware, which could democratize AI usage.
- Users are exploring various setups with different hardware configurations, indicating a vibrant community experimenting with AI applications in home labs.
Concerns
- Many users find Ollama to be overly simplified compared to other options, which may limit its appeal for more experienced developers seeking robust features.
- Concerns about the performance of open models on local machines suggest that they may not yet be reliable enough to replace established services like Claude.
