M5 Ultra Mac Studio Review: The Dream Mac for Local AI Agents
MacStories tested the M5 Ultra Mac Studio with 256 GB of RAM, calling it a dream machine for local AI agents that run without cloud costs. It trails an RTX 5090 in memory bandwidth but wins on size, heat, and noise.
- Config: M5 Ultra with 256 GB of unified memory
- Local agents ran for 99 days at $0 in cloud costs
- RTX 5090 has higher memory bandwidth but is bigger and louder
- Qwen3.8-Flash-Next became the default model in Open Minis and Hermes Agent
Read next
Gadgets