this is pure f*cking treasure. a used $300 mac mini from 2020 quietly killed my $800 a month ai bill, and it runs on $5 of electricity. took me three weekends of testing, so you don't have to. the subscriptions i was bleeding every month: cursor ultra .............. $200 claude code max 20x ....... $200 google ai ultra 20x ....... $200 chatgpt pro ............... $200 total ..................... $800 what i pay now: used mac mini m1, 16gb .... $300 once, ebay electricity ............... $5/mo subscriptions ............. $0 here's what runs on a 6-year-old mac, all local: ollama .................... ollama com one command and gpt-oss-20b, qwen or deepseek is running on the mac. gpt-oss is openai's own open-weight model, the same company charging $200 a month for chatgpt pro gave this one away for free lm studio ................. lmstudio ai a chatgpt-style desktop app for local models. search hugging face, click download, start chatting. no terminal at all mlx-lm ..............