ChatGPT, developed by OpenAI, is widely recognized for its conversational fluency, strong reasoning capabilities, and versatility across various domains, including coding, creative writing, and general knowledge. On the other hand, DeepSeek, a model developed in China, is optimized for technical and research-based tasks, excelling in code generation, mathematical reasoning, and scientific inquiries. While ChatGPT provides detailed explanations and debugging support, DeepSeek offers a different perspective on complex logic and technical topics.