The Circuit Ep 149: TSMC Q4 25 Earnings, OpenAI Needs more Compute and Monetization
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Jan 19, 2026 The hosts dive into TSMC's recent earnings, unpacking the complexities of semiconductor cyclicality and the challenges posed by advanced packaging. They explore TSMC's cautious CapEx strategies amid rising AI demand and discuss the intricate relationship between wafer demand and manufacturing capacity. The conversation then shifts to OpenAI's partnership with Cerebras, examining new monetization efforts like ads and subscription tiers to address compute costs. They also analyze the fluctuating GPU pricing landscape and the implications for hyperscalers and enterprise clients.
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Profit Mix Shifts With Node Yields
- Trailing nodes historically delivered most foundry profit, but advanced nodes now contribute significantly as yields improve.
- Node profit mix shifts materially with ramp timing and yield maturation at cutting‑edge processes.
AI Tools Improve Fab Efficiency
- AI tooling inside fabs can yield nontrivial efficiency gains; TSMC estimated AI boosted gross margins by ~2%.
- Automated design assistance and internal AI workflows are contributing real cost savings today.
TSMC Sees Plenty Of Market For Others
- TSMC doesn't view Intel as an immediate competitive threat and sees ample market demand for multiple foundries.
- They also plan long‑term utility and land planning similar to hyperscalers to secure power for fabs.