Haystack vs Activepieces vs Langflow vs Semantic Kernel

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

Your tool
Haystack
vs
Competitor 1
Activepieces
Competitor 2
Langflow
Competitor 3
Semantic Kernel
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.
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Competitor Activepieces
activepieces.com
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Competitor Langflow
langflow.org
Drag and drop AI
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Competitor Semantic Kernel
learn.microsoft.com
Semantic Kernel is a lightweight, open-source development kit from Microsoft for building AI agents and adding AI models to existing C#, Python or Java codebases.
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Traffic estimated monthly website traffic
Monthly visits
—
221.7Kvisits/mo
215.3Kvisits/mo
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MoM change
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▲ 1.8%
▼ 0.7%
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6-month growth
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-10.0%
-4.9%
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Global rank web
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#174,361
#217,191
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Avg. last 3 months
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226.6K
225.2K
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Bounce rate lower is better
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39%
44%
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Pages / visit
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3.8
2.2
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Visit duration
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2m 39s
1m 04s
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Traffic sources
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● Direct 74% · ● Referral 24%
● Direct 76% · ● Referral 24%
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HaystackActivepiecesLangflowSemantic Kernel
073.8K147.7K221.5K295.3KActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K100K1MActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Free
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Starting price
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$20per month · free tier available
Free
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Free tier
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Free trial
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–
–
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API access
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Plans
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Free FreePlus $20/moTeam $200/mo
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Capabilities input → output
Input
CodeDocuments
Text
Text
CodeText
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Productivity & OfficeAI AgentAI Workflow
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
4
9
4
Agents
Agent creation
LLM development
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Developer tools
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No-code
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Workflows
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Chatbots
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Development
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APIs
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Agent memory
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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
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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.