Side-by-Side Comparison · 2026

Dify vs Open WebUI: Full Comparison (2026)

Dify is open-source llm app development platform for building ai workflows and agents. Open WebUI is the most popular open-source web ui for ollama and openai-compatible models. Use the breakdown below to find the right fit for your needs.

Dify

Dify.AI

Freemium
vs

Open WebUI

Open WebUI (Timothy Jaeryang Baek)

Free
This page presents factual information sourced from publicly available vendor documentation and product pages. AIHub does not endorse either product. The right tool depends on your specific use case, team, and requirements — we recommend evaluating both tools directly before making a decision.

Side-by-Side Overview

Pricing Model
Dify: FreemiumOpen WebUI: Free
API Access
Dify: AvailableOpen WebUI: Available
Platforms
Dify: Web (cloud), Self-hosted (Docker), KubernetesOpen WebUI: Web (self-hosted), Docker, Kubernetes, Raspberry Pi
Integrations
Dify: 9 integrationsOpen WebUI: 7 integrations
Vendor
Dify: Dify.AIOpen WebUI: Open WebUI (Timothy Jaeryang Baek)
Category
Dify: Developer ToolsOpen WebUI: Developer Tools
Launch
Dify: Mar 2023Open WebUI: Dec 2023
Models
Dify: GPT-4o, Claude 3.5 SonnetOpen WebUI: Any Ollama model (Llama, Mistral, Qwen, Gemma, etc.), OpenAI API

About Dify

Dify is an open-source platform for building LLM-powered applications, workflows, and agents without deep coding. It provides a visual workflow builder, RAG pipeline, agent orchestration, prompt management, and a model-agnostic backend that supports OpenAI, Anthropic, Llama, Azure, and dozens of other providers. It can be self-hosted or used as a cloud service.

Designed For

  • Building chatbots with RAG
  • LLM workflow automation
  • Agent orchestration
  • Prompt engineering & testing
Full Dify details

About Open WebUI

Open WebUI (formerly Ollama WebUI) is an extensible, self-hosted web interface for running large language models locally through Ollama or any OpenAI-compatible API. It provides a feature-rich chat experience with conversation history, model management, RAG (document upload), web search, image generation, and voice input — all in a polished interface that rivals ChatGPT. With 50K+ GitHub stars it is the most widely adopted local AI front-end.

Designed For

  • Local AI chat interface
  • Self-hosted ChatGPT replacement
  • RAG over personal documents
  • Team AI deployment
Full Open WebUI details

Strengths & Limitations

Dify

Strengths

  • Open-source with self-hosting option
  • Visual workflow builder
  • Model-agnostic (50+ providers)
  • Built-in RAG and vector store
  • Active community & fast iteration

Limitations

  • Can be complex for simple use cases
  • Cloud plan limits on free tier
  • Docs sometimes lag releases

Open WebUI

Strengths

  • Polished ChatGPT-like UI
  • Native Ollama integration
  • Built-in RAG and document upload
  • Voice input/output
  • Multi-user with admin controls
  • Highly extensible with plugins

Limitations

  • Self-hosting required (Docker)
  • Some advanced features need setup
  • Resource-heavy with many users

Frequently Asked Questions

What is the difference between Dify and Open WebUI?

Dify is open-source llm app development platform for building ai workflows and agents, while Open WebUI is the most popular open-source web ui for ollama and openai-compatible models. Dify is designed for Developers building LLM apps, Enterprises with custom AI needs; Open WebUI is designed for Developers running Ollama, Teams wanting self-hosted ChatGPT. The right fit depends on your specific requirements.

How do the pricing models compare?

Dify is available under a Freemium model. Open WebUI is available under a Free model. Dify's entry tier starts at $0. Open WebUI's entry tier starts at $0. Always verify pricing on each vendor's official website as it may change.

What integrations does each tool support?

Dify integrates with OpenAI, Anthropic, Azure OpenAI, Hugging Face. Open WebUI integrates with Ollama, OpenAI API, LiteLLM, Pipelines (custom functions). Check each vendor's documentation for the full and current list.

How do I choose between Dify and Open WebUI?

Consider your team's technical requirements, budget, existing tooling, and use case before deciding. We recommend signing up for free trials or demos of both tools where available, and consulting each vendor's documentation. AIHub provides this comparison for informational purposes only.