OpenAI is finalizing a model with advanced cybersecurity capabilities that it plans to release only to a small set of companies, similar to Anthropic's limited roll out of Mythos, a source familiar told Axios. Why it matters: AI capabilities have reached a tipping point, at least in terms of autonomy and hacking capabilities. Model-makers are now so worried about the havoc their own tools could cause that they're reluctant to release them into the wild.Driving the news: Anthropic announced plans...