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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 27 fields comparable

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SpecCerebras Wafer-Scale Engine 3Anthropic Claude Opus 4.7
Cache Discount Percent—90
Cache Read PER 1M USD—0.5
Claude Code Synergy Precision Bonus—15
Context Window Tokens M—1
Cores900,000—
CS4 Introduced2026-08-18—
CS4 Wse3 Turbo Count3—
Current Opus Model—Claude Opus 5.5
Current Opus Version—5.5
DIE Size MM246,225—
Fabric Bandwidth Pbit S214—
Lifecycle Status—legacy (still available)
MAX Output Tokens K—128
Memory Bandwidth PB S21—
ON Chip Sram GB44—
Peak AI Petaflops125—
Pricing Input PER 1M USD—5
Pricing Output PER 1M USD—25
Process NodeTSMC 5nm—
Released—2026-04-16
TOP Listed Model—Claude Fable 5.1
TOP Listed Model Version—5.1
Transistors Trillion4—
Version Decimal—4.7
Version Major—4
Version Minor—7
Wse3 Turbo Peak AI Petaflops250—