Haystack vs Stack AI vs Langflow vs Dify

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

Your tool
Haystack
vs
Competitor 1
Stack AI
Competitor 2
Langflow
Competitor 3
Dify
Compare
4 tools · best value per row highlighted
Your tool Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor Dify
dify.ai
AI apps without code
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
215.3Kvisits/mo
1Mvisits/mo
MoM change
—
▼ 57.9%
▼ 0.7%
▼ 16.6%
6-month growth
—
-93.7%
-4.9%
-30.6%
Global rank web
—
#1,700,092
#217,191
#39,510
Avg. last 3 months
—
13.9K
225.2K
1.1M
Bounce rate lower is better
—
39%
44%
41%
Pages / visit
—
1.8
2.2
4.4
Visit duration
—
14s
1m 04s
6m 40s
Traffic sources
—
—
● Direct 76% · ● Referral 24%
● Direct 84% · ● Referral 15%
HaystackStack AILangflowDify
0368.2K736.4K1.1M1.5MStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1M1K10K100K1M10MStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
—
Freemium
Free
Freemium
Starting price
—
Free tier
Free
$590per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
Plans
—
—
—
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
Capabilities input → output
Input
CodeDocuments
DataDocumentsText
Text
DocumentsText
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
5
9
9
Agents
Agent creation
No-code
–
Workflows
–
LLM development
–
Developer tools
–
Chatbots
–
–
Development
–
–
APIs
–
–
–
Agent memory
–
–
–
Finance workflow automation
–
–
–
Productivity
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
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.