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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 20 fields comparable

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SpecNVIDIA HGX B200OpenAI GPT-5
Codex Synergy Precision Bonus—12
Fp16 Bf16 Pflops36—
FP32 TFLOPS600—
FP4 Pflops Dense72—
FP4 Pflops Sparse144—
FP64 TFLOPS296—
FP8 FP6 Pflops72—
Gpt5 Context Window Tokens K—400
Gpt5 Input PER 1M USD—1.25
Gpt5 Output PER 1M USD—10
Gpt5 Snapshot—gpt-5-2025-08-07
Gpt6 Astra Launch—2026-09-03
Gpus8—
Int8 Pops72—
Networking Bandwidth TB S0.8—
Nvlink Generation5—
Nvlink GPU TO GPU TB S1.8—
Total HBM GB1,400—
Total Nvlink Bandwidth TB S14.4—
Version Major—5