Here are a few options to consider based on the specific type of diagram you need:

1. Text-to-Diagram Tools:

• Diagrams.ai: This AI tool uses text prompts to generate basic diagrams like flowcharts, mind maps, and organizational charts.
• Resemble.ai: This tool helps you create wireframes and diagrams by sketching a rough idea and letting the AI refine it.
• Lucidchart: While not solely AI-powered, they offer features like automatic layout and formatting based on your input.

2. Data Visualization Tools:

• Datawrapper: This tool allows you to create charts and graphs from your data with AI-powered suggestions and automatic formatting.
• Flourish: This platform uses AI to help you create interactive data visualizations with minimal coding required.
• Tableau: Similar to Flourish, Tableau provides an AI-assisted platform to create dashboards and visualizations from your data.

3. Architectural and Design Tools:

• Vizcom: This AI-powered tool specifically aids in architectural design, helping you generate realistic renderings from sketches.
• Midjourney: While not focused solely on diagrams, this AI tool can interpret text prompts and create various visual outputs, potentially including schematics.
• Arko.ai: This tool integrates with popular 3D modeling software and uses AI to automate rendering and visualization tasks.

4. Additional Options:

• OpenAI API: While not a user-friendly tool, this API offers access to machine learning models that could potentially be used to create diagrams with specific coding knowledge.
• Custom AI Development: For highly specialized needs, you could consider hiring developers to create a custom AI-powered diagram generation tool.