vioscaleAI
Comparison

dify vs Stack AI

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 →Stack AI full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★dify68
Stack AI52
Score
vioscaleAI score
dify68 / 100medium · 74%
Stack AI52 / 100low · 39%
Pricing
Free tier
dify✓
Stack AI✗
Model
difyfreemium
Stack AIquote
Price level
difylow
Stack AIunknown
Starting price
dify$590
Stack AI–
Transparent
dify✓
Stack AI✗
Integrations
Count
dify9
Stack AI300
Security
Certifications
Disclosure policy
dify–
Stack AI✓
Gdpr
dify✓
Stack AI✓
Hipaa
dify–
Stack AI✓
Iso27001
dify✓
Stack AI✓
Soc2
dify✓
Stack AI✓
Trust center
Vulnerabilities
Reliability
Status page
dify✓
Stack AI–
Adoption
Dependent repos
dify8
Stack AI–
Github stars
dify158,384
Stack AI–
Activity
Commits last 30d
dify100
Stack AI–
Release
Cadence days
dify13
Stack AI–
History
dify20 items
Stack AI–
Language
Primary
difyTypeScript
Stack AI–
Market
Availability
Content
Faq
dify7 items
Stack AI7 items

Capabilities

Feature-by-feature on the axes that matter for ai workflow automation. “-” means undocumented, not absent.

Capabilities
Builder UI architecture
difyVisual node canvas
Stack AIVisual node canvas
Native LLM nodes anthropic openai gemini
dify✓
Stack AI✓
Human in the loop approval steps via slack email
dify✓
Stack AI✓
Unstructured document extraction PDF image to json
dify✓
Stack AI✓
Dynamic conditional routing via LLM classification
dify✓
Stack AI✓
Web scraping and browser automation nodes
dify-
Stack AI✓
Bring your own key byok for LLM inference
dify✓
Stack AI-
Custom HTTP webhook catch and triggering
dify✓
Stack AI-
Sub workflow calling and reusable templates
dify✓
Stack AI✓
On premise self hosted deployment option
dify✓
Stack AI✓
SOC2 type ii
dify✓
Stack AI✓
ISO 27001
dify✓
Stack AI✓
Pricing model
difyFreemium with task credits
Stack AIFreemium with task credits

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

Stack AI

A no-code platform enabling enterprises to build, deploy, govern, and scale AI agents that automate workflows while maintaining security, compliance, and human oversight over critical decisions.

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 ↗

Stack AI

HybridFree tier

Free plan at $0/month with 500 runs per month; custom enterprise pricing available

  • FreeFree
    • 500 runs per month
    • 2 Projects
    • 1 Seat
    • Community support on Discord
    • Agents
    • +9 more
  • CustomContact sales
    • Custom number of runs
    • Unlimited projects
    • Custom number of seats
    • All features and data loaders
    • Dedicated infrastructure
    • +6 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✓
Stack AI✓
CLI
dify✓
Stack AI✗
Deployment
Cloud / SaaS
dify✓
Stack AI✓
Self-hosted
dify✓
Stack AI✓
On-premise
dify✗
Stack AI✓

Integrations

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

In common (4)
  • OpenAI
  • Anthropic
  • Google Gemini
  • Stable Diffusion

dify

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

Stack AI

29 total - 25 not shared
  • Slack
  • Microsoft Teams
  • Email
  • Google Drive
  • Notion
  • Salesforce
  • Asana
  • SharePoint
  • Chrome Extension
  • REST API
  • Deepgram
  • Groq
  • Airtable
  • Atlassian Jira
  • AWS RDS
  • AWS S3
  • Snowflake
  • AWS Bedrock
  • Ahrefs
  • Abstract API
  • 15Five
  • Apollo
  • Ashby
  • AWS Athena
  • +1 more
Independently observed
Still deciding?

dify or Stack AI: 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.