Can Mac Studio M1 Ultra 128 GB run MiniCPM5 2B?

128 GB unified · 800 GB/s memory bandwidth · MiniCPM5 2B has 2.5B parameters.

Short answer

Yes, excellent for chat and acceptable or better for every workload we test.

Best quantization for chat: Q8_0 (2.5 GB of weights) on LM Studio. Generation: 130–170 tok/s, leaving about 114 GB free for your other apps.

How it rates for each workload

Same model and machine, different jobs. Agents and long documents send far bigger prompts than chat, so they need much more speed and memory.

Workload	Verdict	Quant	Generation	First reply	Context
Chatwith Open WebUI	Excellent	Q8_0	130–170 tok/s	under 1 s	8K	Details
Coding questionswith Continue	Comfortable	Q8_0	120–170 tok/s	≈2 s	16K	Details
Coding in a repositorywith Aider	Acceptable	Q8_0	110–140 tok/s	≈6 s	32K	Details
Agentic codingwith OpenCode	Acceptable	Q8_0	100–130 tok/s	≈9 s	32K	Details
Long documents (64K)with Open WebUI	Comfortable	Q8_0	75–100 tok/s	≈30 s	64K	Details

Speeds are estimates calibrated against measured benchmarks on similar hardware. “First reply” is the time to read the workload’s opening prompt. How we calculate

Other models for Mac Studio M1 Ultra 128 GB

The best-rated models for chat on this machine.

Everything Mac Studio M1 Ultra 128 GB can run

Cheapest machines for MiniCPM5 2B

Hardware rated comfortable or better for chat, lowest price first.

Same chip, other memory: 64 GB

Different tool, context size or workload?

These pages use typical settings. The full check models your exact setup.

Open sourceCheck my exact setup