LlamaIndex vs Chat4Data vs Docparser vs LangChain

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

Your tool
LlamaIndex
vs
Competitor 1
Chat4Data
Competitor 2
Docparser
Competitor 3
LangChain
Compare
4 tools · best value per row highlighted
Your tool LlamaIndex
llamaindex.ai
Connect AI to your data
Remove
Competitor Chat4Data
airparser.com
Make main Remove
Competitor Docparser
docparser.com
Docparser is a document data extraction service that reads PDF, Word, CSV, XLS, TXT, XML and image files and turns the content into structured rows.
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
324Kvisits/mo
46.4Kvisits/mo
—
3.4Mvisits/mo
MoM change
▼ 21.0%
▼ 4.7%
—
▲ 0.7%
6-month growth
-29.5%
+77.8%
—
+21.0%
Global rank web
#118,014
#637,750
—
#13,384
Avg. last 3 months
398.3K
45.8K
—
3.3M
Bounce rate lower is better
46%
37%
—
42%
Pages / visit
2.8
2.6
—
6.2
Visit duration
1m 57s
26s
—
5m 29s
Traffic sources
● Direct 74% · ● Referral 20%
● Direct 77% · ● Referral 23%
—
● Direct 73% · ● Referral 24%
LlamaIndexChat4DataDocparserLangChain
0850.7K1.7M2.6M3.4MLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KChat4Data · 17.6KChat4Data · 21.3KChat4Data · 34.2KChat4Data · 19.4KChat4Data · 26.1KChat4Data · 28.7KChat4Data · 25.8KChat4Data · 42.1KChat4Data · 48.7KChat4Data · 46.4KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M10K100K1M10MLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KChat4Data · 17.6KChat4Data · 21.3KChat4Data · 34.2KChat4Data · 19.4KChat4Data · 26.1KChat4Data · 28.7KChat4Data · 25.8KChat4Data · 42.1KChat4Data · 48.7KChat4Data · 46.4KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Free Trial
Freemium
Starting price
Free tier
Free
$32.5per month
$39per month · free tier available
Free tier
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Free trial
–
–
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API access
–
–
Plans
Free FreeStarter Custom/moPro Custom/moEnterprise Custom/mo
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Starter $32.50/moProfessional $61.50/moBusiness $133/moEnterprise Custom
Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
DocumentsImages
DocumentsImagesText
DocumentsImages
CodeText
Output
DataText
Data
Data
Apps
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Productivity & OfficeAI Document ExtractionAI Workflow
Productivity & OfficeAI Document Extraction
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
12
8
9
6
Data extraction
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Document data extraction
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Document processing
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OCR
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Text extraction
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Agents
–
–
LLM development
–
–
Developer tools
–
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Invoice data extraction
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Development
–
–
Agent creation
–
–
–
Email extraction
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–
–
PDF to spreadsheets
–
–
–
Agent testing
–
–
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Bank statement conversion
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–
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Image data extraction
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Information retrieval
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–
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Medical data extraction
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–
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Workflows
–
–
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Zapier assistance
–
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
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.