AI Pulse

Thanksgiving is a good moment to slow down and appreciate the people who kept the business moving this year. Many owners use this time to take one last look at year-end planning. For some, equipment depreciation before December closes the gap in a clean, simple way. But today… https://t.co/LaBrkOumPU

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It has been amazing to watch the progress of the Codex team; they are beasts. The product/model is already so good and will get much better; I believe they will create the best and most important product in the space, and enable so much downstream work.

A first preview of something we expect to see a lot more of soon:

New Codex model is a significant improvement!

Congrats to Google on Gemini 3! Looks like a great model.

The rate reduction in price per unit of intelligence has been thing I've most consistently underestimated the past couple of years. 300x in a year is nuts!

a new type of research company!

This is exciting; I expect we are going to see a lot more things like this and it will be one of the most important impacts of AI. Congrats to the Future House team. https://t.co/Cxeh8UlWdk

Small-but-happy win: If you tell ChatGPT not to use em-dashes in your custom instructions, it finally does what it's supposed to do!

GPT-5.1 is now available in the API. Pricing is the same as GPT-5. We are also releasing gpt-5.1-codex and gpt-5.1-codex-mini in the API, specialized for long-running coding tasks. Prompt caching now lasts up to 24 hours! Updated evals in our blog post.

Understanding neural networks through sparse circuits:

RT @jasonkwon: We’re fighting this overreach on user privacy. As @sama has mentioned before, we need a new form of privilege - AI privileg…

RT @gdb: Welcome @sk7037 to OpenAI! Incredibly excited to work with him on designing and building our compute infrastructure, which will p…

This is an important one, I think. AI progress and recommendations: https://t.co/Zy6J6bxYBI

The government has played a role in critical infrastructure builds. Our public submission (posted on our blog) shares our thinking and suggests ideas for how the US government can support domestic supply chain/manufacturing. This is very in line with everything we have heard…

I would like to clarify a few things. First, the obvious one: we do not have or want government guarantees for OpenAI datacenters. We believe that governments should not pick winners or losers, and that taxpayers should not bail out companies that make bad business decisions or…

A thing often in common among great startup investors, founders, and researchers: Trading making a lot of small mistakes in exchange for getting a few giant wins. (Surprisingly many people seem to prefer a few big mistakes in exchange for a lot of small wins.)

interesting post from @boazbaraktcs: https://t.co/3SXF6mvV8h

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