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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.

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SpecCerebras Wafer-Scale Engine 3The Stargate Project
Abilene Trained Model—GPT-5.5
Abilene Trained Model Version—5.5
Capacity Added Prior 90 Days GW MIN—3
Capacity Added Window Days—90
Capacity Update Date—2026-04-29
Cores900,000—
CS4 Introduced2026-08-18—
CS4 Wse3 Turbo Count3—
Custom Silicon Announced—Broadcom (10 GW)
DIE Size MM246,225—
Fabric Bandwidth Pbit S214—
Memory Bandwidth PB S21—
ON Chip Sram GB44—
Oracle Partnership GW—5
Partners—OpenAI, SoftBank, Oracle, MGX
Peak AI Petaflops125—
Planned Capacity GW 2025—7
Planned Chip Count Million—2
Primary Accelerator Announced—NVIDIA GB200 (initial Oracle racks)
Primary Site—Abilene, Texas
Process NodeTSMC 5nm—
Secondary Accelerator Announced—AMD Instinct (up to 6 GW)
Secured Capacity Commitment Deadline Year—2,029
Secured Capacity Commitment GW—10
Status Checked—2026-09-24
Total Planned Investment USD Billion—400
Transistors Trillion4—
Wse3 Turbo Peak AI Petaflops250—