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An AI diagram generator for developers and architects that creates UML, ER, C4, and cloud architecture diagrams from natural language or code snippets in a web app.
RapidChart is a web-based AI diagram generator for developers, students, software architects, and database designers who need technical diagrams without manual drawing.
Key capabilities include:
Pricing: Free (as of October 2025, core functionality is free to use).
Notable for combining natural language diagram creation with auto-layout on an infinite canvas, plus optional bring-your-own-model API keys for teams that want control over which LLM powers diagram generation.
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