Memory, Context Windows, and When to Start New Chats

In Episode 448 of Hidden Forces, Demetri Kofinas speaks with Nathan Benaich, founder and general partner of Air Street Capital and the creator of the annual State of AI Report, an open-access compendium that tracks advances across AI research, industry, policy, and geopolitics.

Nathan Benaich and Demetri spend the first hour of their conversation exploring some of the most important AI breakthroughs of the year. They unpack the DeepSeek moment, dig into some of the advancements made by the latest reasoning models, and discuss why there appears to be a regression in capabilities across certain domains in artificial intelligence at the same time as we are seeing marked improvements in reasoning-heavy use cases like coding and scientific research.

The second hour turns to a conversation about the commercial implications and geopolitical dynamics of the AI arms race, including China's strategy to become the leader in open-weight models and tooling. They look at what industries, sectors, and professions may be most ripe for disruption, where the investment opportunities are, whether we're in a bubble comparable to the 1990s Internet boom, and how export controls, energy constraints, and regulatory red-tape could play an outsized role in shaping the trajectory of the current arms race.

Lastly, Kofinas and Benaich examine where along the AI stack most of the value is likely to accrue—from the underlying picks and shovels, through the foundation models, to the apps that ride on top of them—and what all this means for labor markets, education, and the cadence of scientific discovery.

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Producer & Host: Demetri Kofinas Editor & Engineer: Stylianos Nicolaou

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Episode Recorded on 10/29/2025