LangChain vs InfinityFlow vs Weaviate 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
InfinityFlow
Competitor 2
Weaviate
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 InfinityFlow
infiniflow.org
Make main Remove
Competitor Weaviate
weaviate.io
Search that understands meaning
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
3.3Kvisits/mo
154.2Kvisits/mo
—
MoM change
▲ 0.7%
▲ 17.5%
▼ 11.8%
—
6-month growth
+21.0%
+50.9%
-7.0%
—
Global rank web
#13,384
#4,102,626
#293,589
—
Avg. last 3 months
3.3M
3K
155.7K
—
Bounce rate lower is better
42%
36%
41%
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Pages / visit
6.2
3.1
1.9
—
Visit duration
5m 29s
15s
50s
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Traffic sources
● Direct 73% · ● Referral 24%
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● Direct 82% · ● Referral 18%
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LangChainInfinityFlowWeaviateSemantic Kernel
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MInfinityFlow · 3.8KInfinityFlow · 6.5KInfinityFlow · 4.9KInfinityFlow · 2.2KInfinityFlow · 3.4KInfinityFlow · 2.5KInfinityFlow · 2.8KInfinityFlow · 2.8KInfinityFlow · 3.3KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2K1K10K100K1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MInfinityFlow · 3.8KInfinityFlow · 6.5KInfinityFlow · 4.9KInfinityFlow · 2.2KInfinityFlow · 3.4KInfinityFlow · 2.5KInfinityFlow · 2.8KInfinityFlow · 2.8KInfinityFlow · 3.3KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Free
Freemium
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Starting price
$39per month · free tier available
Free
$45per month · free tier available
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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
Developer FreePlus $39/moEnterprise Custom/mo
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Free FreeFlex $45/moPremium $0
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Capabilities input → output
Input
CodeText
DataText
DataImagesText
CodeText
Output
Apps
Data
Data
Apps
Skill level
Advanced
Advanced
Advanced
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 · 1 shared · core   partial
Tasks covered
6
3
6
4
Developer tools
LLM development
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Agent creation
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Agents
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Vector databases
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–
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Databases
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–
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Development
–
–
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Vector indexes
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–
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APIs
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–
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Agent testing
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–
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Embeds
–
–
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Information retrieval
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 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.