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All estimates are approximations based on mathematical models and public specifications. Actual performance may vary. Do not make purchasing decisions based solely on these estimates.

Data sourced from Hugging Face, Ollama, and official model documentation. Model names and logos are trademarks of their respective owners.

© 2026 Will It Run AI — Fase Consulting Ibiza, S.L. (NIF: B57969656)

Home/Devstral 2 123B Instruct/on NVIDIA B200 180GB

Can it run?

Can NVIDIA B200 180GB run Devstral 2 123B Instruct?

BGood

Runs well

Using Q4_K_M in vLLM

Capabilities:

Fit status

Runs well

Decode

89.6 tok/s

TTFT

2162 ms

Safe context

25K

Memory

114.6 GB / 180.0 GB

Memory breakdown

Weights75.0 GB
KV Cache19.2 GB
Runtime2.4 GB
Headroom18.0 GB

Performance by workload

WorkloadGradeFitDecodeTTFTContext
Agentic CodingBRuns well89.6 tok/s3144 ms43K
ChatCRuns well89.6 tok/s1179 ms14K
CodingBRuns well89.6 tok/s2162 ms25K
RAGBRuns well89.6 tok/s3930 ms43K
ReasoningBRuns well89.6 tok/s2555 ms25K

Quantization options

How Devstral 2 123B Instruct (123B params) fits at each quantization level on NVIDIA B200 180GB (180.0 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
48.0 GB
LowD35
Q3_K_S
3
60.3 GB
LowD37
NVFP4
4
68.9 GB
MediumD38
Q4_K_M
4
75.0 GB
MediumD38
Q5_K_M
5
88.6 GB
HighC40
Q6_K
6
100.9 GB
HighC42
Q8_0Best for your GPU
8
131.6 GB
Very HighC45
F16
16
252.2 GB
MaximumF0

Get started

HuggingFace
huggingface-cli download devstral-2-123b
See all results for NVIDIA B200 180GBSee all hardware for Devstral 2 123B Instruct