Analyst · Interconnects writer; former Ai2/OLMo and Hugging Face.

New lecture! This one is a recap of a bunch of history of preferences, the nature of rewards, how RLHF is formulated, which were once seen as central problems in the field. How much as changed. Books coming soon :D www.youtube.com/watch?v=Y2tv...

Researcher · Greg Brockman, President and co-founder of OpenAI.

Was very cool to hear about the reasons people love Sol. We're doing the promotion again, except this time for ChatGPT Work: Tweet what you love about ChatGPT Work, claim $100 in free credits, get more work done. First 10k get the free tokens: https://t.co/w7QrPBYkrh https://t.co/jhdFOLSGvU

Analyst · Wharton professor focused on AI use and work.

There are no frontier open weights models that are not made in China, and there is no incentive in the US, nor appetite in the EU, to build one - it is a lot of cost, very little value capture (There are solid mid-level models, of course, but nothing close to a Kimi K3 or a GLM-5.2)

Researcher · Sam Altman, CEO of OpenAI.

it is good now! https://t.co/eiG0VDwrTe

Institution · Anthropic.

We're offering grants of up to $50,000 in Claude usage credits to researchers accelerating cures for rare diseases. This is our first focused call within AI for Science, our program supporting scientists using Claude to speed up discovery. https://t.co/rZEmwh07cd

Anthropic opens its top Claude tier to the public, gated by a new filter

Microsoft launches its own MAI models at Build

OpenAI adds a 'Lockdown Mode' to ChatGPT

Anthropic files confidentially for an IPO