A Comparative Study of Large Language Models: ChatGPT, DeepSeek, Claude and Qwen
Rupesh Phogat, Dheeraj Arora, Pawan Singh Mehra, Jatin Sharma, Diksha Chawla · 2025
In recent times, Artificial Intelligence sector has been booming. Its applications are stunning and outperform the previous generation models as advancements happen. Machine Learning is one of the best methods to achieve Artificial Intelligence, and one of the most famous examples of this is the LLMs (Large Language Models). Recently, there have been breakthroughs in the LLM industry with the entrance of many models, such as OpenAI's ChatGPT, DeepSeek, Claude, and Qwen. In this article, we have conducted a detailed analysis of different LLMs. The priority is on the comparison of ChatGPT, Qwen, DeepSeek, and Claude. This paper informs reader about the various model's performance and the architecture of famous LLM's like ChatGPT, Qwen, DeepSeek, and Claude, along with their comparisons. In the course of this article, we have provided plenty of knowledge about LLMs, which can provide a framework for researchers and may clear paths for them.