Can Kimi K2.5 run on NVIDIA GB200 192GB?
NO — Won't Fit
Kimi K2.5 needs ~639.0 GB but NVIDIA GB200 192GB only has 192.0 GB. Try a smaller quantization or lighter model.
Operating mode
Choose the run profile you care about
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
447.0 GB over capacity — needs offload or smaller quantization
Fit status
Too heavy
Decode
4.1 tok/s
TTFT
46691 ms
Safe context
4K
Memory
639.0 GB / 192.0 GB
Offload
70%
Memory breakdown
See how fast it feels
With memory offload — actual speed may be lowerWhat limits this setup
Usable VRAM is the main blocker for this model.
Not enough usable memory
The model needs 639.0 GB, but this setup only exposes 192.0 GB of usable VRAM.
Best improvement path
Add more VRAM headroom
The first useful upgrade is more dedicated VRAM so you can fit the model without shrinking context or dropping to a much lower quant.
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | F | Too heavy | 4.1 tok/s | 25468 ms | 4K |
| Coding | F | Too heavy | 4.1 tok/s | 46691 ms | 4K |
| Agentic Coding | F | Too heavy | 4.1 tok/s | 67915 ms | 4K |
| Reasoning | F | Too heavy | 4.1 tok/s | 55181 ms | 4K |
| RAG | F | Too heavy | 4.1 tok/s | 84893 ms | 4K |
Quantization options
How Kimi K2.5 (1000B params) fits at each quantization level on NVIDIA GB200 192GB (192.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 390.0 GB | Low | F0 |
Q3_K_S | 3 | 490.0 GB | Low | F0 |
NVFP4 | 4 |
