Open WebUI vs Gemini 3.8 Flash

A side-by-side comparison of features, pricing, and characteristics.

Open WebUI

Open WebUI is an extensible, self-hosted, and feature-rich open-source web interface for LLMs.

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Gemini 3.8 Flash

Google stable Flash model for long-horizon software engineering and autonomous agents.

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AttributeOpen WebUIGemini 3.8 Flash
Pricing typeFreePaid
Korean supportOfficialNo
PlatformsWeb, Desktop, Docker-
Open sourceYesNo
API availableAvailableAvailable
SDK--
LLM-basedYes-
MultimodalYes-
AI modelLlama, Mistral, GPT, Claude, Stable Diffusion-
GitHub Stars151.1K-
VendorOpen WebUI Community-
CategoryDeveloper ToolsDeveloper Tools
DetailsView View

Open WebUI key features

  • Ollama & OpenAI API integration
  • Built-in RAG support
  • Multi-user & Role management
  • Web search integration
  • Custom Modelfile support
  • Responsive web design