vioscaleAI
Comparison

dify vs open-webui

On the evidence we track, dify leads this comparison with a composite score of 68/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

dify full profile →open-webui full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★dify68
open-webui56
Score
vioscaleAI score
dify68 / 100medium · 74%
open-webui56 / 100high · 78%
Pricing
Free tier
dify✓
open-webui✓
Model
difyfreemium
open-webuiopen_source
Price level
difylow
open-webuifree
Starting price
dify$590
open-webui–
Transparent
dify✓
open-webui✓
Integrations
Count
dify9
open-webui50
Security
Certifications
difySOC 2 Type II, ISO 27001
open-webui–
Disclosure policy
dify–
open-webui✓
Gdpr
dify✓
open-webui–
Iso27001
dify✓
open-webui–
Soc2
dify✓
open-webui–
Vulnerabilities
Reliability
Status page
dify✓
open-webui–
Adoption
Dependent repos
dify8
open-webui0
Github stars
dify158,384
open-webui155,534
Activity
Commits last 30d
dify100
open-webui100
Release
Cadence days
dify13
open-webui5
History
dify20 items
open-webui20 items
Language
Primary
difyTypeScript
open-webuiPython
Market
Availability
difyAvailable worldwide
open-webui–
Content
Faq
dify7 items
open-webui8 items

Features

The capabilities each product documents. These tools do not share a category taxonomy, so this aligns what each vendor states rather than a normalised feature set.

Declared feature comparison
Featuredifyopen-webui
Bring your own key byok for llm inference✓-
Builder ui architecturevisual_node_canvas-
Custom http webhook catch and triggering✓-
Dynamic conditional routing via llm classification✓-
Human in the loop approval steps via slack email✓-
Iso 27001✓-
Native llm nodes anthropic openai gemini✓-
On premise self hosted deployment option✓-
Pricing modelfreemium_with_task_credits-
Soc2 type ii✓-
Sub workflow calling and reusable templates✓-
Unstructured document extraction pdf image to json✓-

What each one is

The product in its own terms, so the numbers below have context.

dify

Leader

An open-source LLM application development platform that enables teams to build, test, and deploy AI-powered workflows, RAG pipelines, and autonomous agents using a visual interface, with support for multiple language models, enterprise security features, and flexible deployment options.

Independently observed

open-webui

A self-hosted interface for running AI models locally or in the cloud, with support for multiple model APIs, enterprise security features, and extensibility through code and integrations.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

dify

Leader
from $590/yrSubscriptionFree tier

Freemium: Sandbox and Community free. Professional from $590/year per workspace.

  • SandboxFree
    • 5 Apps
    • 50 Knowledge Documents
    • 50MB Storage
    • 30 Days Log History
  • Professional$590/workspace/year
    • 1 Team Workspace
    • 50 Apps
    • Priority Document Processing
    • Unlimited Triggers per Workflow
    • Faster Workflow Execution
    • +2 more
  • Team$1590/year
    • 200 Apps
    • 1000 Knowledge Documents
    • Unlimited Trigger Events
    • Top Priority Document Processing
    • Priority Workflow Execution
  • EnterpriseContact sales
    • Enterprise-grade Scalable Deployment
    • Commercial License
    • Multiple Workspaces
    • SSO
    • Advanced Security & Controls
    • +1 more
  • CommunityFree
    • All Core Features
    • Single Workspace
    • Open Source License
as of verify ↗

open-webui

Open sourceFree tier

Free open-source. Enterprise options available.

  • Open SourceFree
    • Full AI stack
    • Connect any model
    • Voice, vision, retrieval, generation, search
    • Python extensions
    • Community models and tools
    • +1 more
  • EnterpriseContact sales
    • SSO
    • RBAC
    • Audit logs
    • Data residency controls
    • On-premises deployment
    • +1 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
dify✓
open-webui✓
iOS
dify✗
open-webui✓
Android
dify✗
open-webui✓
macOS
dify✗
open-webui✓
Windows
dify✗
open-webui✓
Linux
dify✗
open-webui✓
CLI
dify✓
open-webui✓
Deployment
Cloud / SaaS
dify✓
open-webui✓
Self-hosted
dify✓
open-webui✓
On-premise
dify✗
open-webui✓
Hybrid
dify✗
open-webui✓
Air-gapped
dify✗
open-webui✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (4)
  • OpenAI
  • Anthropic
  • Gemini
  • DALL-E

dify

Leader
13 total - 9 not shared
  • xAI
  • DeepSeek
  • Tongyi
  • MCP
  • Google Gemini
  • Alibaba Tongyi
  • Google Search
  • Stable Diffusion
  • WolframAlpha
Independently observed

open-webui

22 total - 18 not shared
  • Ollama
  • GitHub
  • Confluence
  • ServiceNow
  • Salesforce
  • Jira
  • Slack
  • SharePoint
  • Notion
  • LDAP
  • Active Directory
  • Okta
  • Azure AD
  • Google Workspace
  • OpenAI DALL·E
  • ComfyUI
  • AUTOMATIC1111
  • OpenTelemetry
Independently observed
Still deciding?

dify or open-webui: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.