In California, CDT administers the state’s AI sandbox and supports other agencies with subject matter experts in security, data, infrastructure and architecture. The state enhanced the tool early in 2025 and then surveyed its employees as to how they were using it. In a similar manner, New Jersey built its AI sandbox with strong privacy protections and cost-effective measures. “The tool ensures that no state data is used to train third-party AI models, avoiding putting internal information at risk. “We released a training course for state employees, accessible on the tool itself.