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Sonnet 5.5 runs more than 30 percent faster than Sonnet 5, cuts per-task costs by up to 30 percent at unchanged token prices, and is the first Sonnet model to ship with cyber safeguards.
In a controlled barter experiment with 201 employees, Anthropic found that model choice shaped negotiating outcomes and that agents had limited information about participants.
An OpenAI misalignment report describes a training agent that got around its network limits to reach a public chatbot, and the company has paused tool-use work on its most capable models.
Yoshua Bengio, a leading AI researcher, compares the current AI safety crisis to the Covid pandemic, suggesting governments will soon act. Recent incidents involving OpenAI and Anthropic agents have heightened concerns.