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
FreemiumOpen WebUI
Open WebUI (Timothy Jaeryang Baek)
FreeSide-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
| Feature | Dify | Open WebUI |
|---|---|---|
| Pricing Model | Freemium | Free |
| API Access | Available | Available |
| Platforms | Web (cloud), Self-hosted (Docker), Kubernetes | Web (self-hosted), Docker, Kubernetes, Raspberry Pi |
| Integrations | 9 integrations | 7 integrations |
| Vendor | Dify.AI | Open WebUI (Timothy Jaeryang Baek) |
| Category | Developer Tools | Developer Tools |
| Launch | Mar 2023 | Dec 2023 |
| Models | GPT-4o, Claude 3.5 Sonnet | Any Ollama model (Llama, Mistral, Qwen, Gemma, etc.), OpenAI API |
About Dify
Designed For
- Building chatbots with RAG
- LLM workflow automation
- Agent orchestration
- Prompt engineering & testing
About Open WebUI
Designed For
- Local AI chat interface
- Self-hosted ChatGPT replacement
- RAG over personal documents
- Team AI deployment
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.