Langflow vs Stack AI vs Haystack vs Zapier
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Langflow
vs
Langflow
Competitor 1
Stack AI
Stack AI
Competitor 2
Haystack
Haystack
Competitor 3
Zapier
ZapierCompare
4 tools · best value per row highlighted
Competitor
Haystack
Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
6.3Kvisits/mo
—
5.3Mvisits/mo
MoM change
▼ 0.7%
▼ 57.9%
—
▼ 5.9%
6-month growth
-4.9%
-93.7%
—
-26.7%
Global rank web
#217,191
#1,700,092
—
#6,051
Avg. last 3 months
225.2K
13.9K
—
5.5M
Bounce rate lower is better
44%
39%
—
38%
Pages / visit
2.2
1.8
—
10.2
Visit duration
1m 04s
14s
—
6m 43s
Traffic sources
● Direct 76% · ● Referral 24%
—
—
● Direct 81% · ● Referral 12%
LangflowStack AIHaystackZapier
Pricing
Model
Free
Freemium
—
Freemium
Starting price
Free
Free tier
—
$19.99per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
Plans
—
—
—
Free FreeProfessional $19.99/moTeam $69/moEnterprise Custom
Capabilities input → output
Input
Text
DataDocumentsText
CodeDocuments
Text
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
9
3
2
6
Agents
No-code
–
Workflows
–
Agent creation
–
–
Chatbots
–
–
–
Developer tools
–
–
–
Development
–
–
–
LLM development
–
–
–
APIs
–
–
–
Lead generation
–
–
–
Lead management
–
–
–
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.