OpenAI has offered the EU Commission direct access to its new GPT-5.5 Cyber model for security review, with talks already underway. Anthropic is proving harder to pin down: after four to five meetings on its Mythos model, regulators still don't have access. The gap highlights how dependent Europe's AI oversight remains on voluntary cooperation from the companies it aims to regulate. The article The EU wants to regulate AI but needs OpenAI and Anthropic to let regulators through the door appeared first on The Decoder.