Langflow vs Base44 vs Haystack vs Stack AI

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

Your tool
Langflow
vs
Competitor 1
BBase44
Competitor 2
Haystack
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
Remove
Competitor BBase44
base44.pxf.io
Building web applications traditionally requires coding skills, server management, and infrastructure knowledge
Make main 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 Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
78.5Kvisits/mo
—
6.3Kvisits/mo
MoM change
▼ 0.7%
▲ 66.2%
—
▼ 57.9%
6-month growth
-4.9%
-36.6%
—
-93.7%
Global rank web
#217,191
—
—
#1,700,092
Avg. last 3 months
225.2K
79.1K
—
13.9K
Bounce rate lower is better
44%
69%
—
39%
Pages / visit
2.2
1.2
—
1.8
Visit duration
1m 04s
1m 18s
—
14s
Traffic sources
● Direct 76% · ● Referral 24%
● Direct 92% · ● Referral 8%
—
—
LangflowBase44HaystackStack AI
073.8K147.7K221.5K295.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KBase44 · 134.5KBase44 · 105.8KBase44 · 123.8KBase44 · 137.5KBase44 · 147.7KBase44 · 111.6KBase44 · 47.3KBase44 · 78.5KStack 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 · 6.3K1K10K100K1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KBase44 · 134.5KBase44 · 105.8KBase44 · 123.8KBase44 · 137.5KBase44 · 147.7KBase44 · 111.6KBase44 · 47.3KBase44 · 78.5KStack 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
Free
Freemium
—
Freemium
Starting price
Free
$20per month · free tier available
—
Free tier
Free tier
–
Free trial
–
–
–
API access
–
–
Plans
—
Free FreePaid $20/mo
—
—
Capabilities input → output
Input
Text
Text
CodeDocuments
DataDocumentsText
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Beginner-friendly
Advanced
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeAI App BuilderAI Website BuilderNo-Code & Low-Code
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
5
7
7
Agents
–
No-code
–
Agent creation
–
LLM development
–
–
Workflows
–
–
Developer tools
–
–
Development
–
–
RAG
–
–
–
Website building
–
–
–
Backend development
–
–
–
Business automation
–
–
–
Chatbots
–
–
–
Process automation
–
–
–
APIs
–
–
–
Agent memory
–
–
–
Database management
–
–
–
Finance workflow automation
–
–
–
Self hosted
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 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.