M5 Ultra Mac Studio Review: The Dream Mac for Local AI Agents

The M5 Ultra Mac Studio, equipped with 256 GB of RAM, runs local AI models such as Qwen3.8-Flash-Next with faster GPU and higher memory bandwidth than an RTX 5090, enabling quick, multi-turn responses and large context windows. The machine powers personal assistants that outperform Siri AI and supports Codex app workflows orchestrated by GPT-6 Astra, while offering lower heat and noise than a comparable gaming PC.