Semantic Kernel vs Stack AI vs Flowise vs LangGraph

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

Your tool
Semantic Kernel
vs
Competitor 1
Stack AI
Competitor 2
Flowise
Competitor 3
LangGraph
Compare
4 tools · best value per row highlighted
Your tool 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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Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Flowise
flowiseai.com
No-code AI workflows
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Competitor LangGraph
langchain.com
LangGraph is an open-source agent runtime and low-level orchestration framework for building AI agents that behave reliably on complex tasks.
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Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
168.3Kvisits/mo
—
MoM change
—
▼ 57.9%
▼ 27.6%
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6-month growth
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-93.7%
-14.1%
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Global rank web
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#1,700,092
#239,649
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Avg. last 3 months
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13.9K
203.8K
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Bounce rate lower is better
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39%
43%
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Pages / visit
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1.8
2.8
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Visit duration
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14s
1m 23s
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Traffic sources
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—
● Direct 79% · ● Referral 19%
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Semantic KernelStack AIFlowiseLangGraph
063.6K127.2K190.8K254.4KStack 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 · 6.3KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3K1K10K100K1MStack 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 · 6.3KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Freemium
Freemium
Starting price
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Free tier
$35per month · free tier available
$39per month · free tier available
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 FreeStarter $35/moPro $65/mo
Developer FreePlus $39/moEnterprise Custom
Capabilities input → output
Input
CodeText
DataDocumentsText
DocumentsText
Code
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
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
7
10
8
Agents
Agent creation
Workflows
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No-code
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Developer tools
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Agent collaboration
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LLM development
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Agent memory
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Business automation
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Chatbot building
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–
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Chatbots
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Process automation
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API integrations
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Chatbot integration
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Development
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Finance workflow automation
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Self hosted
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Workflow deployment
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
0
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Reviews
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Prompts
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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.