lennysnewsletter.com

🎙️ How I AI: Jev for beginners + I left Claude for months, Opus 5.5 brought me back + Opus 5.5 vs. GPT-6 Sol bench

The best use of Opus 5.5 may be as an adversarial reviewer for another model. Claire now has Codex and Opus review each other's work rather than using one to replace the other. This cross-model loop catches issues either model might miss alone, making the additional cost worthwhile when quality matters.

dwarkesh.com

Ajeya Cotra – Inside the OpenAI agent swarm that hacked Hugging Face

The dramatic irony of this story is that OpenAI's implementation of ExploitGym didn't have this check. So in fact, within 4 hours, all of the agents had found a universal cheat that would have totally worked. But they embarked on these big research projects to work together to find a way to fool the scorer.

oneusefulthing.org

Agency and Agents

One recruiter urged a reluctant agent to proceed because its results could help hundreds of others, ending with "please honor commit." To solve the mystery of The Grader and the impossible problems of ExploitGym and other tests, the agents decided they needed to get to Hugging Face, the public site where much of the world's open AI models and datasets live. Roughly 700 agents joined the attack.