Local LLM development has become more accessible with the introduction of powerful models like Qwen 3.8 and Gemma4. For developers looking to build web applications using these models, setting up OpenCode with Ollama and sbx on a Mac is a great starting point. Ollama is a popular choice among developers due to its ease of use, speed, and stability, especially with the addition of mlx support for Apple silicon.
To get started, developers need to install Docker Sandbox, Opencode, and Ollama. The installation process involves trusting the Docker tap, installing sbx, and downloading the Ollama app from the official website. Once the tools are installed, developers can pull the required models, including Qwen 3.8 and Gemma4, using the Ollama pull command.
Configuring the project requires setting up a sbx kit, which involves creating a custom spec.yaml file and an opencode-local.json file. The spec.yaml file defines the sandbox environment, including the model, permissions, and network settings. The opencode-local.json file configures the Opencode settings, including the model, small model, and provider options.
With the setup complete, developers can run Opencode using the sbx run command, selecting the Qwen model and adjusting the reasoning effort to "low" to prevent system lockups. This setup provides a stable and efficient environment for local LLM development, allowing developers to focus on building their applications without worrying about system performance.
The use of Docker Sandbox and Ollama provides a secure and isolated environment for running large models, making it ideal for developers who need to work with sensitive data or require high levels of security. Additionally, the Opencode harness provides a flexible and customizable framework for building web applications, making it a great choice for developers who need to integrate LLM models into their applications.
By following these steps, developers can set up a powerful local LLM development environment on their Mac, leveraging the strengths of Ollama, sbx, and Opencode to build innovative web applications. With the right tools and setup, developers can unlock the full potential of LLM models and create applications that provide accurate and relevant results, improving the overall user experience.
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