Insights and analysis on AI trends, developments, and research from Epoch AI.
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 127 | Founded | a year ago | Last Issue | 9 days ago |
| Active | |||||
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epochai.substack.comLatest Issues
The Epoch Brief - June 1, 2026
In this week’s Epoch Brief:
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Since January 2026, open-weight models have lagged the closed frontier by four months, with the gap widening slightly since we last measured it in October 2025.
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Hyperscaler capital expenditures have qua...
Is a compute crunch coming?
Gradient Updates shares more opinionated or informal takes on big questions in AI progress. These posts solely represent the views of the authors, and do not necessarily reflect the views of Epoch AI as a whole.
Much has been made about AI...
The Epoch Brief - May 22, 2026
In this week’s Epoch Brief:
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Our newest Data Insight finds memory is now the largest and fastest-growing component cost for leading AI chip designers, rising from 52% to 63% of total component spending since early 2024.
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In the late...
Frontier labs don’t use most AI compute (yet)
Gradient Updates shares more opinionated or informal takes on big questions in AI progress. These posts solely represent the views of the authors, and do not necessarily reflect the views of Epoch AI as a whole. The estimates of frontier de...
The Epoch Brief - May 15, 2026
Welcome to this edition of the Epoch Brief! This week:
- We published two new Data Insights: Servers account for 60% of the total cost of owning a one-gigawatt AI data center, and Claude overperforms at software engineering and underperf...
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Authors
The writers behind this newsletter.
Isabel Juniewicz is a senior researcher at Epoch AI. She was previously a researcher at Open Philanthropy and at Forethought. She has a masters degree in economics and an undergraduate quadruple major in econ, math, stats and computer science.
Economics Ph.D. student at Yale, working on AI, Innovation, History, Growth.
AI Policy
Product and Law
Researcher at Epoch AI
Data Analyst at Epoch AI
Jaime Sevilla is the director of Epoch AI. His research is focused on technological forecasting and the trajectory of AI. He has a background in Mathematics and Computer Science.
Elliot manages communications at Epoch AI.
I write about the mechanics of AI progress and the societal impacts of AI.
Head of Data and Trends at Epoch AI.
Researcher at Epoch AI
At Epoch AI.
Ben Cottier is a senior researcher at Epoch AI. He leads the Frontier Data Centers project.
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