
OpenAI’s newest gpt-oss-20b model lets your Mac run ChatGPT-style AI with no subscription, no internet, and no strings attached. Here’s how to get started.
Run AI models locally on your Mac
On August 5 OpenAI released its first open-weight large language models in years, allowing Mac users to run ChatGPT-style tools offline. With the right setup, many Apple Silicon Macs can now handle advanced AI processing without a subscription or internet connection.
Running a powerful AI model on a Mac once required paying for a cloud service or navigating complex server software. The new gpt-oss-20b and gpt-oss-120b models change that.
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