GetResponse offers an AI Email Generator and AI Subject Line Generator that uses OpenAI technology to generate email content and subject lines in a matter of seconds. The AI Email Generator allows users to create an entire email with a few key details and a couple of clicks, while the AI Subject Line Generator helps users to increase open and click-through rates with data-backed optimization. GetResponse MAX is also available for large clients, offering a custom-built solution with AI writing assistant and A/B tests AI enhancement.