If you're part of a technical team or a developer looking for flexible workflow automation with some AI features, n8n is the better choice. It supports both visual and code-based workflows, making it suitable for a variety of integration needs. However, be prepared for a steeper learning curve, especially if you're less familiar with coding and technical concepts.
On the other hand, if your focus is on AI and you want full control over your setup, open-webui is ideal. It's a self-hosted solution that allows for the use of multiple AI models while ensuring data privacy. This tool is best suited for developers and organizations that can manage the technical setup. Avoid open-webui if you prefer a straightforward, fully managed service or lack technical know-how.