Advanced reasoning models are increasingly deployed in high-stakes professional environments, where errors do not merely reduce quality but create legal, financial, or operational risk, and where safety is not an abstract concept but a concrete property of how a system behaves when requests become ambiguous, sensitive, or adversarial. OpenAI’s ChatGPT 5.2 and Anthropic’s Claude Opus 4.5 represent two mature but distinct approaches to balancing reasoning power  with risk conta