Gartner's Magic Quadrant for enterprise AI assistants provides an evaluation of various suppliers in the field of artificial intelligence tools designed for business use. Companies like AWS, Zoom, and others are included, with Microsoft, Google, OpenAI, and Anthropic categorized as leaders. The assessment is based on two main factors: "execution," which considers aspects like customer experience, pricing, and product quality, and "vision," which looks at strategies in sales, innovation, and marketing. On the "execution" axis, Microsoft is ranked first, followed by Google, OpenAI, Anthropic, AWS, Glean, Zoom, ClickUp, Superhuman, and ServiceNow. On the "vision" axis, Anthropic leads, followed by Google, OpenAI, Microsoft, AWS, Glean, Zoom, Superhuman, ClickUp, and ServiceNow. The main AI-first applications included in the report are ChatGPT Enterprise, Claude Enterprise, Copilot, and Gemini Enterprise, provided by OpenAI, Anthropic, Microsoft, and Google respectively. These are often presented as a "single window" for employees, though Gartner warns about potential issues such as vendor lock-in, overlap with existing tools, and the need for significant change management. Choosing an enterprise AI assistant often depends on the compatibility with a productivity suite and the ability to manage AI tools as a complementary module. However, long-term commitment can be difficult due to unpredictable costs, rapid changes in functionality, and varying levels of supplier maturity. To be included in the Magic Quadrant, AI assistants need to have features such as the orchestration of models, tools, and data, security and compliance blocks, and centralized administration and tracking dashboards. Additional features like agent actions, context engineering, and no-code design can also increase the number of suppliers included in the report. Anthropic is noted for its Claude Cowork offering, which sets a standard for "agent knowledge work," and its MCP (Model Configuration Platform). However, it faces challenges in meeting demand, with concerns about service-level agreements and data governance. Hosting is limited to the United States unless third-party suppliers are used, which may affect functionality. Google's Gemini Enterprise is praised for its unified platform and integration with Microsoft 365 data, offering a relatively simple pricing model with a global license quota. However, it lags behind in collaborative and computer use features. Microsoft's Copilot is the most widely deployed enterprise AI assistant, benefiting from its large user base and integration with Office applications. However, it lacks a fully developed foundation model and has complex licensing.