AI is making huge leaps in biology, opening doors for scientific breakthroughs but also raising the stakes for biosecurity. As models get smarter, the good guys—defenders working to prevent, detect, and respond to outbreaks—need access to the same cutting-edge tech. That’s why a new initiative called Rosalind Biodefense was launched. It helps vetted developers build tools for pandemic preparedness and defense. On top of that, trusted U.S. and allied government partners now get expanded access to GPT-Rosalind, a specialized AI model. This isn’t just about handing out software. It’s part of a bigger strategy: equipping defenders with advanced AI, accelerating medical countermeasures, improving early warning systems, and testing models for safety. The company has been working with government labs and security institutes to lock down safeguards, from red-teaming to monitoring for misuse. They’re also sharing detailed assessments as capabilities evolve. Why it matters: This marks a shift from AI being a potential risk to becoming a deliberate shield, actively deployed to strengthen societal resilience against biological threats before they escalate.