LangChain vs Context7 vs Vapi vs LlamaIndex

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

Your tool
LangChain
vs
Competitor 1
Context7
Competitor 2
Vapi
Competitor 3
LlamaIndex
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
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Competitor Context7
context7.com
Context7 supplies AI coding tools with up-to-date, version-specific documentation and code examples for libraries.
Make main Remove
Competitor Vapi
vapi.ai
Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
Make main Remove
Competitor LlamaIndex
llamaindex.ai
Connect AI to your data
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
—
—
324Kvisits/mo
MoM change
▲ 0.7%
—
—
▼ 21.0%
6-month growth
+21.0%
—
—
-29.5%
Global rank web
#13,384
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#118,014
Avg. last 3 months
3.3M
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—
398.3K
Bounce rate lower is better
42%
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46%
Pages / visit
6.2
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—
2.8
Visit duration
5m 29s
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—
1m 57s
Traffic sources
● Direct 73% · ● Referral 24%
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● Direct 74% · ● Referral 20%
LangChainContext7VapiLlamaIndex
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324K100K1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$39per month · free tier available
$10per month · free tier available
$29per month
Free tier
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
Free FreePro $10/moEnterprise Custom
No Success Package FreeCore $29/moPro $999/moPremier Custom
Free FreeStarter Custom/moPro Custom/moEnterprise Custom/mo
Capabilities input → output
Input
CodeText
CodeText
AudioText
DocumentsImages
Output
Apps
CodeText
AppsAudio
DataText
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Developer Tools
Business & MarketingVoice & SpeechAI Call CenterAI Customer Service+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
4
11
12
Developer tools
Agent creation
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Agents
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LLM development
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APIs
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Development
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Agent testing
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Data extraction
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Document data extraction
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Document processing
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Voice agents
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Call agents
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Call center automation
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Customer calls
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Customer support
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OCR
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Text extraction
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Call answering
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Calls
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Code documentation
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Information retrieval
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MCP
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Medical data extraction
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Workflows
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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.