Which AI competes with ChatGPT?

Could you elaborate on which artificial intelligence (AI) systems are currently in competition with ChatGPT? There are several AI chatbots and language models that have gained popularity in recent years, and it would be interesting to know which ones specifically are seen as rivals or alternatives to ChatGPT. Are there any specific features or capabilities that these competitors offer that set them apart from ChatGPT? Additionally, how do they compare in terms of accuracy, speed, and overall user experience?