LangChain vs Developer Toolkit vs LabelGPT vs Semantic Kernel

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

Your tool
LangChain
vs
Competitor 1
Developer Toolkit
Competitor 2
LabelGPT
Competitor 3
Semantic Kernel
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
Remove
Competitor Developer Toolkit
developertoolkit.ai
Some features sit in COMING SOON—printable cheat-sheets and team analytics aren't ready yet
Make main Remove
Competitor LabelGPT
labellerr.com
Make main Remove
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.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
9.7Kvisits/mo
135.3Kvisits/mo
—
MoM change
▲ 0.7%
▲ 46.3%
▼ 22.5%
—
6-month growth
+21.0%
+253.1%
+18.2%
—
Global rank web
#13,384
#2,468,968
#335,350
—
Avg. last 3 months
3.3M
6.8K
139.9K
—
Bounce rate lower is better
42%
39%
43%
—
Pages / visit
6.2
1.4
1.8
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Visit duration
5m 29s
1s
25s
—
Traffic sources
● Direct 73% · ● Referral 24%
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● Direct 70% · ● Referral 29%
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LangChainDeveloper ToolkitLabelGPTSemantic Kernel
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MDeveloper Toolkit · 3.1KDeveloper Toolkit · 3.2KDeveloper Toolkit · 913Developer Toolkit · 2.7KDeveloper Toolkit · 4KDeveloper Toolkit · 3.9KDeveloper Toolkit · 4KDeveloper Toolkit · 6.6KDeveloper Toolkit · 9.7KLabelGPT · 125.4KLabelGPT · 150.9KLabelGPT · 138.9KLabelGPT · 114.4KLabelGPT · 117KLabelGPT · 121.8KLabelGPT · 109.7KLabelGPT · 174.6KLabelGPT · 135.3K1001K10K100K1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MDeveloper Toolkit · 3.1KDeveloper Toolkit · 3.2KDeveloper Toolkit · 913Developer Toolkit · 2.7KDeveloper Toolkit · 4KDeveloper Toolkit · 3.9KDeveloper Toolkit · 4KDeveloper Toolkit · 6.6KDeveloper Toolkit · 9.7KLabelGPT · 125.4KLabelGPT · 150.9KLabelGPT · 138.9KLabelGPT · 114.4KLabelGPT · 117KLabelGPT · 121.8KLabelGPT · 109.7KLabelGPT · 174.6KLabelGPT · 135.3KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Freemium
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Starting price
$39per month · free tier available
$19.99per month
$9,999per month · free tier available
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Free tier
–
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Free trial
–
–
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API access
–
–
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Plans
Developer FreePlus $39/moEnterprise Custom/mo
Solo Developer $19.99/moTeam $199.99/moEnterprise Custom
Researcher Plan FreePro Plan $9,999/yrEnterprise $0
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Capabilities input → output
Input
CodeText
Text
ImagesText
CodeText
Output
Apps
Text
Data
Apps
Skill level
Advanced
Beginner-friendly
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
2
3
4
Agent creation
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Agents
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LLM development
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Developer tools
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Data labeling
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–
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Development guide
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–
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Image annotation
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–
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Development
–
–
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Development guidance
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–
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Image segmentation
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–
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Agent testing
–
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 1
▲ 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.