The 1-800-ChatGPT service has announced an increase in its monthly usage limits for users in the United States and Canada. Customers can now enjoy up to 30 minutes of calling ChatGPT per month, a significant enhancement from previous limits. Additionally, the messaging limits for WhatsApp have also been doubled. This change reflects the growing popularity of the service, as indicated by user engagement and feedback. The announcement has prompted discussions about the competition between ChatGPT and other AI services, such as Meta AI, which offers a broader range of capabilities.