Weaviate vs LangChain vs InfinityFlow vs Semantic Kernel

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

Your tool
Weaviate
vs
Competitor 1
LangChain
Competitor 2
InfinityFlow
Competitor 3
Semantic Kernel
Compare
4 tools · best value per row highlighted
Your tool Weaviate
weaviate.io
Search that understands meaning
Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Competitor InfinityFlow
infiniflow.org
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
154.2Kvisits/mo
3.4Mvisits/mo
3.3Kvisits/mo
—
MoM change
▼ 11.8%
▲ 0.7%
▲ 17.5%
—
6-month growth
-7.0%
+21.0%
+50.9%
—
Global rank web
#293,589
#13,384
#4,102,626
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Avg. last 3 months
155.7K
3.3M
3K
—
Bounce rate lower is better
41%
42%
36%
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Pages / visit
1.9
6.2
3.1
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Visit duration
50s
5m 29s
15s
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Traffic sources
● Direct 82% · ● Referral 18%
● Direct 73% · ● Referral 24%
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WeaviateLangChainInfinityFlowSemantic Kernel
0850.7K1.7M2.6M3.4MWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KLangChain · 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 · 3.3K1K10K100K1M10MWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KLangChain · 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 · 3.3KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Free
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Starting price
$45per month · free tier available
$39per 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
Free FreeFlex $45/moPremium $0
Developer FreePlus $39/moEnterprise Custom/mo
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Capabilities input → output
Input
DataImagesText
CodeText
DataText
CodeText
Output
Data
Apps
Data
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI 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
6
6
5
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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Databases
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Development
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Vector indexes
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–
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API integrations
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APIs
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–
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Agent testing
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Embeds
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Information retrieval
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RAG
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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
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
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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.