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Can I run this LLM?

Can a Mac Studio M2 Ultra (192GB) run GLM-5.3 Flash (MoE)?

GLM · MIT · estimated for a 192.0 GB machine at 4K context.

Yes, but it's tight.

Tight / slow

Best fit: GLM-5.3 Flash (MoE) at Q2_K · 125.7 GB weights · 52–79 tok/s on a Mac Studio M2 Ultra (192GB).

Arena Text Overall · style-controlled

UnratedAmbiguous match

Ambiguous Arena identity; unrated

Arena identity is ambiguous. The local release is tagged BF16. The published entry does not disclose its release hash or tested precision. Review the configuration binding before mapping. No rating is assigned or used for ranking. Local quantization quality is unmeasured.

Snapshot published 2026-10-08 · snapshot imported 2026-10-11 UTC · validated last-good data · manual refresh

Arena leaderboard dataset · Arena / lmarena-ai, Arena Leaderboard Dataset (CC BY 4.0). Selected Text Overall style-controlled rows; field names adapted, ratings unchanged. · dataset CC BY 4.0 · revision e16f90232986

Total memory at 4K context
126.6 GB
Weights + KV cache + runtime overhead
Estimated generation
52–79 tok/s
Estimated first token
~7.9s

Every quantization on this machine

On small screens, each quant lists every metric below its name. On wider screens, scroll sideways for total memory, speed and fit. Keyboard: focus the table, then use the arrow keys. Quant names stay visible.

GLM-5.3 Flash (MoE) quantizations on Mac Studio M2 Ultra (192GB), estimated at 4K context. Weights and total memory are shown separately.
QuantWeightsTotal memorySpeedFit
Q2_K125.7 GB126.6 GB52–79 tok/sTight / slow
Q3_K_M155.0 GB155.9 GB— not residentWon't fit
Q4_K_M200.8 GB201.7 GB— not residentWon't fit
Q5_K_M243.7 GB244.6 GB— not residentWon't fit
Q6_K281.0 GB281.9 GB— not residentWon't fit
Q8_0341.5 GB342.4 GB— not residentWon't fit

Ran GLM-5.3 Flash (MoE) on a Mac Studio M2 Ultra (192GB)? Add your real numbers →