Dify vs Haystack vs Replit vs Stack AI

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Dify
vs
Competitor 1
Haystack
Competitor 2
Replit
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool Dify
dify.ai
AI apps without code
Remove
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Competitor Replit
replit.com
Code, run, and deploy from your browser
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
1Mvisits/mo
—
11.9Mvisits/mo
6.3Kvisits/mo
MoM change
▼ 16.6%
—
▼ 9.4%
▼ 57.9%
6-month growth
-30.6%
—
-7.3%
-93.7%
Global rank web
#39,510
—
#3,961
#1,700,092
Avg. last 3 months
1.1M
—
12.6M
13.9K
Bounce rate lower is better
41%
—
41%
39%
Pages / visit
4.4
—
5.2
1.8
Visit duration
6m 40s
—
6m 40s
14s
Traffic sources
● Direct 84% · ● Referral 15%
—
● Direct 89% · ● Referral 8%
—
DifyHaystackReplitStack AI
03.4M6.8M10.2M13.6MDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MReplit · 9.5MReplit · 10.7MReplit · 11.9MReplit · 11.6MReplit · 12.8MReplit · 12.2MReplit · 13.6MReplit · 12.9MReplit · 13.1MReplit · 11.9MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3K1K10K100K1M10M100MDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MReplit · 9.5MReplit · 10.7MReplit · 11.9MReplit · 11.6MReplit · 12.8MReplit · 12.2MReplit · 13.6MReplit · 12.9MReplit · 13.1MReplit · 11.9MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Freemium
Freemium
Starting price
$590per month · free tier available
—
$20per month
Free tier
Free tier
–
–
Free trial
–
–
–
API access
–
–
Plans
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
—
Core $20/moPro $100/moEnterprise Custom
—
Capabilities input → output
Input
DocumentsText
CodeDocuments
Text
DataDocumentsText
Output
Apps
Apps
AppsCode
Apps
Skill level
Intermediate
Advanced
Intermediate
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI App BuilderAI Coding AssistantAI Website Builder
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
5
5
5
Agents
–
Agent creation
–
No-code
–
–
Workflows
–
–
LLM development
–
–
Developer tools
–
–
Development
–
–
Coding
–
–
–
Chatbots
–
–
–
Debugging
–
–
–
Website building
–
–
–
Agent memory
–
–
–
Backend development
–
–
–
Finance workflow automation
–
–
–
Productivity
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 2
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.