Some users praise its lifelike voices and ease of use, while others criticize its lack of premium voices, inconsistent support, and concerns about the company's ethics. The second source, a Product Hunt page for Speechki, provides a brief overview of the plugin, highlighting its integration with ChatGPT and ability to transform text into realistic speech. It also features updates on Speechki's features, including a visual editor, a vast library of voices, and music generation capabilities.