Launched by OpenAI, ChatGPT remains the gold standard in conversational AI, offering natural, context-aware dialogue powered by the latest o4-mini model.
Developed by a Chinese startup with only 200 employees, DeepSeek democratizes AI through its open‑source codebase and ultra‑efficient mathematical optimizations that drastically reduce memory requirements.
Grok, integrated into the X platform, combines real‑time social listening with humor and personality, making it a favorite for viral content generation.
Microsoft Copilot extends AI assistance directly into Office apps—Word, Excel, PowerPoint, and Teams—enabling users to draft documents, analyze datasets, and summarize meetings with a single prompt.