OpenAI and Anthropic Call for Mandatory UK AI Regulation, Offering Model Kill-Switch Pledge

Frontier AI developers OpenAI and Anthropic have formally urged the UK government to implement binding regulations for advanced AI systems, arguing that voluntary safety commitments are no longer sufficient. The companies testified before Parliament on October 13, 2026, as lawmakers debated whether the most powerful AI systems should face mandatory pre-release testing, incident reporting requirements, and structured liability frameworks.