Epoch AI
Epoch AI, Parker Whitfill, Greg Burnham, Jaime Sevilla, Anson Ho, Luke EmbersonInsights and analysis on AI trends, developments, and research from Epoch AI.
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 62 | Subscribers | Read | epochai.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Less than 70% of FrontierMath is within reach for today’s models
The best we have seen a model perform on a single run of FrontierMath is 29%.1 If you want to use a model to solve FrontierMath-style problems, that’s the number to consider.
OpenAI is projecting unprecedented revenue growth
Epoch’s new AI companies database shows the remarkable level and pace of growth of OpenAI’s revenue. It first exceeded $1 billion in 2023 and will exceed $10 billion in 2025. This is impressive, but not unprecedented — a few other companies...
Democratic proofs or fake proofs? - Jesús De Loera
A proof only 15 experts understand is less valuable than one any undergraduate can verify using a computer.
FrontierMath Tier 4: Battle Royale
We manually evaluated three compute-intensive model settings (GPT-5 Pro, Gemini 2.5 Deep Think, and Grok 4 Heavy) on our extremely hard math benchmark.
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Authors
The writers behind this newsletter.
Econ Phd @ MIT. Focused on AI.
Director of Epoch AI
I write about the mechanics of AI progress and the societal impacts of AI.
Researcher at Epoch AI
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