# Who does Cerebras Systems pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/cerebras · Facet: suppliers · Updated: 2026-11-02T20:23:30.347154+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Cerebras Systems's confirmed suppliers/cost counterparties include TSMC plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 2 cost edges, backed by 4 dated sources, 1 of them primary filings (as of 2026-11-02).

### TSMC (high)  → /tsmc.md
- note: TSMC is the sole foundry producing all WSE wafers. Cerebras generally has no long-term capacity commitment and procures by purchase order.
- [confirms] U.S. Securities and Exchange Commission (EN, filing, published 2026-08-12) https://www.sec.gov/Archives/edgar/data/2021728/000162828026056357/cbrs-20260630.htm: "Cerebras depends on TSMC as its sole foundry and sources all product wafers from it."
- [confirms] TechTimes (EN, news, published 2026-06-11) https://www.techtimes.com/articles/318250/20260611/cerebras-after-its-ipo-how-wafer-scale-chips-challenge-nvidia-inference.htm: "Manufactures the wafer-scale engine (WSE) at TSMC."
- [confirms] Futurum (EN, analysis, published 2026-04-17) https://futurumgroup.com/insights/cerebras-s-1-teardown-is-the-23b-wafer-scale-ipo-the-end-of-gpu-homogeneity/: "Manufactures the wafer-scale engine (WSE) at TSMC."
- [confirms] Seoul Shinmun NowNews (KO, news, published 2026-02-21) https://m.nownews.seoul.co.kr/news/science/TECH/2026/02/20/20260220601011: "WSE-3 is manufactured on TSMC's 5nm process."

### 패키징·시스템·R&D (비공개) (high)
- note: Procures servers, FPGAs, switches, cooling, interconnects and chassis plus outsourced assembly and testing. Individual suppliers and amounts are undisclosed.
- [confirms] U.S. Securities and Exchange Commission (EN, filing, published 2026-08-12) https://www.sec.gov/Archives/edgar/data/2021728/000162828026056357/cbrs-20260630.htm: "Cerebras procures servers, FPGAs, switches, cooling, interconnects, chassis, assembly and testing from third parties."
- [confirms] TechTimes (EN, news, published 2026-06-11) https://www.techtimes.com/articles/318250/20260611/cerebras-after-its-ipo-how-wafer-scale-chips-challenge-nvidia-inference.htm: "Single silicon 58x larger than a GPU."

Reverse side: https://valuechain.wiki/cerebras/customers.md · Ripple: https://valuechain.wiki/cerebras/ripple.md

---
Full node: https://valuechain.wiki/cerebras.md · JSON: https://valuechain.wiki/cerebras.json