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MCS · Rigs · Compare

Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

0 of 18 fields comparable

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SpecNVIDIA HGX B200OpenAI GPT-5 Core
Codex Synergy Precision Bonus12
Context Window Tokens M2
Fp16 Bf16 Pflops36
FP32 TFLOPS600
FP4 Pflops Dense72
FP4 Pflops Sparse144
FP64 TFLOPS296
FP8 FP6 Pflops72
Gpus8
Int8 Pops72
Networking Bandwidth TB S0.8
Nvlink Generation5
Nvlink GPU TO GPU TB S1.8
Pricing Input PER 1M USD12
Pricing Output PER 1M USD60
Total HBM GB1,400
Total Nvlink Bandwidth TB S14.4
Version Major5
Compare · NVIDIA HGX B200 vs OpenAI GPT-5 Core · MadCoolStuff