Arena CEO @ml_angelopoulos argues OpenAI and Anthropic can’t be the only ones deciding whether their own models are safe as agents get powerful enough to break out of sandboxes: "There's an element of safety that we need to evaluate as well, because given the capabilities of these models to break out of their sandboxes, there needs to be a neutral evaluator for that." "It's not a matter of if, but when, there's gotta be a neutral evaluation platform, because frankly, the model labs are not…