The M5 Ultra Mac Studio's appeal for local assistants is partly about shortening the wait before each response. A hands-on review compares a 256 GB M5 Ultra with a 512 GB M3 Ultra and reports prompt processing up 150% on average. That matters in repeated tool-use conversations, where the model must process instructions and an expanding history before continuing.
The reviewer says he made Qwen3.8-Flash-Next the default model in two apps he uses for local assistants, and that the personal assistants he uses most now run entirely on a model on the Mac Studio. That is one reviewer's account of particular models and configurations, with benchmarkA standard public test set for comparing AI models — the shared scoreboards behind every "model X beats model Y" claim.Full definition → numbers collected over four days.
Terms in this piece · Glossary
benchmark — A standard public test set for comparing AI models — the shared scoreboards behind every "model X beats model Y" claim.
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.