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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 13 fields comparable

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SpecCerebras Wafer-Scale Engine 3OpenAI GPT-5 Core
Codex Synergy Precision Bonus12
Context Window Tokens M2
Cores900,000
DIE Size MM246,225
Fabric Bandwidth PB S27
Memory Bandwidth PB S21
ON Chip Sram GB44
Peak AI Petaflops125
Pricing Input PER 1M USD12
Pricing Output PER 1M USD60
Process NodeTSMC 5nm
Transistors Trillion4
Version Major5
Compare · Cerebras Wafer-Scale Engine 3 vs OpenAI GPT-5 Core · MadCoolStuff