Haystack vs Langflow vs Stack AI vs Langdock

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

Your tool
Haystack
vs
Competitor 1
Langflow
Competitor 2
Stack AI
Competitor 3
LLangdock
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.
Competitor Langflow
langflow.org
Drag and drop AI
Competitor Stack AI
stack-ai.com
Connect AI models visually
Competitor LLangdock
langdock.com
Langdock is an AI adoption platform that puts chat, workflow automation, custom agents, integrations and an API in one workspace for an entire company.
Traffic estimated monthly website traffic
Monthly visits
—
215.3Kvisits/mo
6.3Kvisits/mo
—
MoM change
—
▼ 0.7%
▼ 57.9%
—
6-month growth
—
-4.9%
-93.7%
—
Global rank web
—
#217,191
#1,700,092
—
Avg. last 3 months
—
225.2K
13.9K
—
Bounce rate lower is better
—
44%
39%
—
Pages / visit
—
2.2
1.8
—
Visit duration
—
1m 04s
14s
—
Traffic sources
—
● Direct 76% · ● Referral 24%
—
—
HaystackLangflowStack AILangdock
073.8K147.7K221.5K295.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KStack 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 · 215.3KStack 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
Free tier
€25per month
Free tier
–
–
Free trial
–
–
API access
–
Plans
—
—
—
Trial FreeBusiness €25/moEnterprise CustomWorkflows Business add-on €539/mo+1 more
Capabilities input → output
Input
CodeDocuments
Text
DataDocumentsText
CodeDocumentsText
Output
Apps
Apps
Apps
CodeText
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
9
3
3
Agents
Workflows
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Agent creation
–
–
No-code
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–
Chatbots
–
–
Developer tools
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–
–
Development
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–
–
LLM development
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–
–
APIs
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–
–
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.