Zeitgeist

22 posts

Zeitgeist

Zeitgeist

@zeitgeist_labs

Ephemeral notes about technology & markets that help you escape the permanent underclass.

New York, NY Katılım Aralık 2025
77 Takip Edilen2.2K Takipçiler
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Jukan
Jukan@jukan05·
This is absolutely insane lol. This is South Korea’s DRAM unit-price data for July 1–20, and the upward momentum is accelerating even further.
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Zeitgeist
Zeitgeist@zeitgeist_labs·
In this essay, we compare the unit economics of mining Bitcoin with serving AI inference, outline the seemingly inevitable migration of mining to emerging markets. Finally, we consider a strange but non-negligible possibility: that the United States subsidizes miners to keep the infrastructure securing its strategic reserve on American soil.
Zeitgeist@zeitgeist_labs

x.com/i/article/2073…

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Zeitgeist
Zeitgeist@zeitgeist_labs·
New essay tomorrow. "Uh-oh, Bitcoin, we have a problem"
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Charles Maddock
Charles Maddock@charles_maddock·
New LLM benchmark just dropped
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Zeitgeist@zeitgeist_labs·
“And the use of OpenAI models to accelerate parts of the design and optimization process” Introducing Ouroboros-1, a large language model trained to design the silicon it runs on, available now in Codex. Run /goal Tape out a frontier inference accelerator today.
OpenAI@OpenAI

We’ve designed and built our first AI chip: Jalapeño. Designed from the ground up by OpenAI and brought to production with @Broadcom, Jalapeño is purpose-built for the LLM workloads powering ChatGPT, Codex, the API, and future agentic products. Chips are foundational to the AI economy. Building our own expands our full-stack platform from products to models to infrastructure, and will help us scale intelligence, serve more people, and expand access to AI.

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Zamir Akimbekov
Zamir Akimbekov@zamir_akimbekov·
@zeitgeist_labs Spot on post. I did similar analysis and arrived to the same conclusion a while back. I’ve been rewarded well so far. The only thing the post is missing is lifetime of memory (3-4 years).
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Zeitgeist@zeitgeist_labs·
@rubicon59 High Bandwidth Memory is ~45% of the cost of an Nvidia B200 GPU. The extra torque is a leading indicator of how scarce this resource is.
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rubicon59
rubicon59@rubicon59·
Everything seems tied to AI capex, but memory has an extra torque. $DRAM
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Zeitgeist@zeitgeist_labs·
Asymptotically, this may be correct, but the y-axis is off. The difference between GPT-3 and GPT-4o was tremendous. Opus-4.5 was the first coding model that could autonomously handle complex tasks and has changed the software engineering profession in <6 months. I expect at least 2-3 more step functions in model classes that humans notice/feel even if progress is on an S-shaped curve.
NonsparseOncologist@5_utr

AI scaling is not exponential. It never was. I fit a logistic model to general capability vs compute across every major model generation — AlexNet to GPT-4. R² = 0.98. The asymptote is not infinity. Never was or will be. Thread 🧵

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RJC
RJC@RJCcapital·
thanks @nikitabier my creator payout is $1,120 I will be sending 100% of it to charity drop suggestions below on which cause it should go to. i will post my donation receipts after and i encourage my best friend on here @kevinxu to do the same
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