When mathematicians make breakthroughs, they hallucinate too.| Epoch AI
OpenAI has the inference compute to deploy millions of digital workers, but only on a narrow set of tasks – for now.| Epoch AI
Control your inbox — Subscribe to what you want, skip what you don't| Epoch AI
The value of economic theory in thinking about AGI, detecting whether the “economic singularity” is coming, and what’s wrong with existing work on explosive growth and the economics of AI| Epoch AI
New AI Companies Data Hub, AI in 2030 report, Grok 4’s training footprint, implications of long-context inference, two new podcast episodes, and more.| Epoch AI
Explore key data on frontier AI companies — revenue, funding, staff, usage rates and compute spend| Epoch AI
OpenAI focused on scaling post-training on a smaller model| Epoch AI
AI companies often grade their own homework. How do they compare to our own findings?| epochai.substack.com
Continual learning, scaling RL, and research feedback loops| Epoch AI
What will AI look like by 2030 if current trends hold? What does it mean for AI capabilities in scientific R&D?| Epoch AI
We estimated the resources required to train Grok 4 - the largest AI training run to date.| Epoch AI
“Training compute” is constantly evolving, and compute-based AI policies must adapt to remain relevant| Epoch AI
Despite rapid progress in a year, LLMs have not yet solved the hardest problems| Epoch AI
Initial reactions to GPT-5 were mixed: to many, it did not seem as dramatic an advance as GPT-4| Epoch AI
Open models match the capabilities of closed models with a 6-12 month lag| Epoch AI
A heavily underappreciated dynamic when thinking about AI timelines.| Epoch AI
An assessment of math capabilities beyond headline numbers| epochai.substack.com
Fast diffusion now, broad cognitive automation by ~2035, and extreme uncertainty after| Epoch AI
Welcome to The Epoch Brief — a periodic newsletter that recaps all of our work from previous months.| Epoch AI
Many multi-agent setups are based on fancy prompts, but this is unlikely to persist| epochai.substack.com
The problems gave AI only a slim chance to show new capabilities| epochai.substack.com
Reasoning models were as big of an improvement as the Transformer, at least on some benchmarks| epochai.substack.com
Chinese hardware is closing the gap, but major bottlenecks remain| epochai.substack.com
How quickly has AI been diffusing through the economy?| epochai.substack.com
AI's biggest impact will come from broad labor automation—not R&D—driving economic growth through scale, not scientific breakthroughs.| epochai.substack.com
Weekly commentary on AI news and developments. Click to read Epoch AI, a Substack publication with thousands of subscribers.| epochai.substack.com