Can I run this LLM?
Can a NVIDIA GB300 Grace Blackwell (288GB HBM + 480GB) run GLM-5.3 (MoE)?
GLM · See model card · estimated for a 288.0 GB machine at 4K context.
Yes — it runs great.
Runs greatBest fit: GLM-5.3 (MoE) at Q5_K_M · 562.5 GB weights · 16–24 tok/s on a NVIDIA GB300 Grace Blackwell (288GB HBM + 480GB).
Arena Text Overall · style-controlled
UnratedAmbiguous matchAmbiguous Arena identity; unrated
Arena identity is ambiguous. The published Max configuration is not automatically the generic GLM 5.3 release. 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
- 563.7 GB
- Weights + KV cache + runtime overhead
- Estimated generation
- 16–24 tok/s
- Estimated first token
- ~0.8s
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.
| Quant | Weights | Total memory | Speed | Fit |
|---|---|---|---|---|
| Q2_K | 253.9 GB | 255.1 GB | 197–295 tok/s | Runs great |
| Q3_K_M | 343.0 GB | 344.2 GB | 48–71 tok/s | Runs great |
| Q4_K_M | 467.3 GB | 468.5 GB | 23–34 tok/s | Runs great |
| Q5_K_M | 562.5 GB | 563.7 GB | 16–24 tok/s | Runs great |
| Q6_K | 684.4 GB | 685.6 GB | 12–18 tok/s | Tight / slow |
| Q8_0 | 801.4 GB | 802.6 GB | — not resident | Won't fit |
| FP16 | 1508.0 GB | 1509.2 GB | — not resident | Won't fit |
Ran GLM-5.3 (MoE) on a NVIDIA GB300 Grace Blackwell (288GB HBM + 480GB)? Add your real numbers →