There are many AI models based on ChatGPT, which is a family of language models developed by OpenAI. Some of the most notable ones are:

• ChatGPT-V: This is a multimodal version of ChatGPT that can process both text and images. It can understand the content and context of images, and generate relevant captions, descriptions, or questions. It can also use images as input or output for various tasks, such as image search, image editing, or image generation. You can read more about ChatGPT-V in this blog post¹.
• ChatGPT-S: This is a speech version of ChatGPT that can process both text and audio. It can transcribe speech to text, and synthesize text to speech. It can also generate natural and expressive voices for different speakers, languages, and emotions. You can listen to some samples of ChatGPT-S in this video².
• ChatGPT-N: This is a knowledge version of ChatGPT that can access and use external sources of information, such as Wikipedia, news articles, or databases. It can answer factual questions, provide summaries, or cite sources. It can also learn from new information and update its knowledge base. You can try ChatGPT-N in this demo³.
• ChatGPT-C: This is a creative version of ChatGPT that can generate original and diverse content, such as stories, poems, songs, or jokes. It can also collaborate with users on creative tasks, such as editing, rewriting, or improving their content. You can explore ChatGPT-C in this app⁴.