AWS or Azure. More important is who win AI war:

ChatGPT: Developed by OpenAI, ChatGPT remains a prominent conversational AI, assisting users with tasks ranging from writing to coding. Its versatility and user-friendly interface have contributed to its widespread adoption.

Google Gemini: Google's Gemini excels in handling multi-modal tasks by integrating text and images, making it a powerful tool for diverse applications.

Claude AI: Anthropic's Claude AI is recognized for its capabilities in creative writing and content collaboration, offering users a reliable assistant for generating and refining content.

Others?