Can a NVIDIA B200 (192GB) run GLM-4.5 Air (MoE)?

Yes — GLM-4.5 Air (MoE) runs at Q8_0 (117.5 GB) at about 199–299 tok/s on a NVIDIA B200 (192GB).

How much memory does GLM-4.5 Air (MoE) need?

GLM-4.5 Air (MoE) needs about 46.9 GB at 4K context at its smallest quantization. A NVIDIA B200 (192GB) has 192.0 GB.

Yes — GLM-4.5 Air (MoE) runs on a NVIDIA B200 (192GB) at Q8_0

Yes — it runs great.

Runs great

Best fit: GLM-4.5 Air (MoE) at Q8_0 · 117.5 GB weights · 199–299 tok/s on a NVIDIA B200 (192GB).

Arena Text Overall · style-controlled

1,373Q8_0 untested

glm-4.5-air · published configuration reference · Q8_0 not tested

Arena Text Overall (style-controlled), exact published entry glm-4.5-air, 2026-10-08: reference rating 1,373.1. Published confidence bounds 1,368.9–1,377.4. 30,658 votes. Published glm-4.5-air configuration reference. Reasoning mode is not disclosed by the Arena dataset. Tested precision, runtime and sampling settings are not disclosed in this dataset. Selected Q8_0 has not been measured by this Arena entry. No quantization quality adjustment is applied.

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: 119.0 GB; Weights + KV cache + runtime overhead
Estimated generation: 199–299 tok/s
Estimated first token: ~0.3s

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-4.5 Air (MoE) quantizations on NVIDIA B200 (192GB), estimated at 4K context. Weights and total memory are shown separately.
Quant	Weights	Total memory	Speed	Fit
Q2_K	45.3 GB	46.9 GB	271–406 tok/s	Runs great
Q3_K_M	57.2 GB	58.8 GB	256–384 tok/s	Runs great
Q4_K_M	73.0 GB	74.6 GB	238–357 tok/s	Runs great
Q5_K_M	83.5 GB	85.1 GB	228–341 tok/s	Runs great
Q6_K	99.0 GB	100.6 GB	214–321 tok/s	Runs great
Q8_0	117.5 GB	119.0 GB	199–299 tok/s	Runs great
FP16	221.0 GB	222.6 GB	— not resident	Won't fit

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