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133energy
LessWrong6m agobreakinganomaly

Good Evals Are Hard: An ImpossibleBench Audit

(This post is a summary. See GitHub Repo for details .) Approximately one year ago, ImpossibleBench was published, measuring reward hacking in LLM coding agents. I ran the LiveCodeBench…

benchmark
132energy
LessWrong15m agoanomaly

OpenAI Fires Three Safety Researchers

Three OpenAI safety researchers, Tomek Korbak, Mikita Balesni and Jasmine Wang, were fired, ostensibly for ‘mishandling sensitive company information…

safety
129energy
LessWrong1h ago

Research Lessons I Learned at MATS & Redwood

Good empirical safety research is heavily bottlenecked on thinking more clearly. This post shares a few frames and tips I found useful, illustrated with concrete examples. I spent the…

safety
70energy

Type-safe HTML templating in Zig

I’ve done a lot of web development over the years. I started around the year 2000, just after PHP 3.0 was released and started taking over the web world. I’ve used all kinds of approaches…

56energy
OpenAI6d ago

Sharing AI progress in mathematics

OpenAI publishes new results on open problems in mathematics from an internal frontier model and shares Lean proof formalizations and research details on GitHub.

frontier model
53energy

Endogenous Alignment Requires Dependence

My post on endogenous alignment got several excellent comments. Among them, one from Karl Krueger argued that imitation learning is more important for how humans align their children than…

alignment
53energy

Why I'm scared of RL

Summary: First, I give several different angles on how I feel about reinforcement learning: Theoretical case: RL is a black-box source of agency — this should give us classic misalignment…

safety
47energy
OpenAI11d ago

The eternal complement

Advanced AI may matter most for the routine work behind breakthrough ideas. Explore why execution could shape the next economy and the pace of progress.

breakthrough
47energy
OpenAI19d ago

Introducing MentalHealthBench

MentalHealthBench is an expert-informed benchmark for evaluating helpful and safe AI responses across realistic mental health conversations.

benchmark