X：Kim

We’re extending the 50% increase to weekly Claude Code limits through August 31. We hope to make this a permanent change to our plans, but strong demand for our models means that capacity may be tight over the coming weeks. We’ll keep you posted as things develop. https://t.co/ymCyQH5ADT

Many drugs work by binding to a specific target in the body and blocking or changing what it does. An important first step in the drug development process is designing a molecule that can bind tightly to its target. Traditionally, that's meant weeks or months of expert work per target, sifting through a large number of candidates to identify the few that work. We wanted to test if Claude could successfully design novel protein binders from scratch (also called de novo design). With a protein design prompt written by a human expert, Claude autonomously designed protein binders against 14 out of 15 targets. We then worked with Adaptyv Bio and Twist Bioscience, who independently built and tested the proteins Claude designed.

(We still expect to ship great new models soon; this impacts further-out releases.)

We’re extending the 50% increase to weekly Claude Code limits through August 31. We hope to make this a permanent change to our plans, but strong demand for our models means that capacity may be tight over the coming weeks. We’ll keep you posted as things develop. https://t.co/ymCyQH5ADT

Not looking good for a soon GPT-Astra-release: OpenAI paused reinforcement learning on its latest deployment models for two weeks, and its largest planned frontier RL run remains on hold. The company is running smaller-scale training and evaluations while it tests model behavior, safeguards, and evidence of alignment. The decision follows preliminary findings that its upcoming Astra model may have reached OpenAI’s “Critical” cybersecurity threshold, alongside the OpenAI–Hugging Face incident. "While some Astra training and evaluations meet those requirements, a significant number of workloads remain paused until they are fully migrated and enhanced to meet the new security bar" Dont think Astra will be released any time soon. The question is: will china catch up in the meantime?

As models become more capable, the risks associated with developing and testing them internally also grow. We temporarily paused reinforcement learning (RL) training on our latest models intended for deployment for two weeks while we hardened and red-teamed our research environments and expanded monitoring coverage. Our largest planned frontier RL run remains on hold while smaller-scale training and evaluations validate these safeguards and establish more evidence of alignment. https://t.co/ecbMMmVoox

https://t.co/WPqpdj0p2T

Holy, I completely missed that last sentence! Is Astra dropping this week?!