LangChain vs Chat4Data vs LlamaIndex

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

Your tool
LangChain
vs
Competitor 1
Chat4Data
Competitor 2
LlamaIndex
Competitor 3
Suggested competitors for LangChain: CrewAI78% Langflow75% Flowise72% Haystack72% AutoGen70% Dify70% Semantic Kernel64% OAOpenAI Agents SDK62%
Compare
3 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
Remove
Competitor Chat4Data
airparser.com
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
46.4Kvisits/mo
324Kvisits/mo
MoM change
▲ 0.7%
▼ 4.7%
▼ 21.0%
6-month growth
+21.0%
+77.8%
-29.5%
Global rank web
#13,384
#637,750
#118,014
Avg. last 3 months
3.3M
45.8K
398.3K
Bounce rate lower is better
42%
37%
46%
Pages / visit
6.2
2.6
2.8
Visit duration
5m 29s
26s
1m 57s
Traffic sources
● Direct 73% · ● Referral 24%
● Direct 77% · ● Referral 23%
● Direct 74% · ● Referral 20%
LangChainChat4DataLlamaIndex
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MChat4Data · 17.6KChat4Data · 21.3KChat4Data · 34.2KChat4Data · 19.4KChat4Data · 26.1KChat4Data · 28.7KChat4Data · 25.8KChat4Data · 42.1KChat4Data · 48.7KChat4Data · 46.4KLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324K10K100K1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MChat4Data · 17.6KChat4Data · 21.3KChat4Data · 34.2KChat4Data · 19.4KChat4Data · 26.1KChat4Data · 28.7KChat4Data · 25.8KChat4Data · 42.1KChat4Data · 48.7KChat4Data · 46.4KLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Starting price
$39per month · free tier available
Free
Free tier
Free tier
Free trial
–
–
–
API access
–
–
Plans
Developer FreePlus $39/moEnterprise Custom/mo
—
Free FreeStarter Custom/moPro Custom/moEnterprise Custom/mo
Capabilities input → output
Input
CodeText
DocumentsImagesText
DocumentsImages
Output
Apps
Data
DataText
Skill level
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Productivity & OfficeAI Document ExtractionAI Workflow
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
8
12
Data extraction
–
Document data extraction
–
Agents
–
Document processing
–
LLM development
–
Developer tools
–
Development
–
OCR
–
Text extraction
–
Agent creation
–
–
Email extraction
–
–
Invoice data extraction
–
–
Agent testing
–
–
Information retrieval
–
–
Medical data extraction
–
–
Workflows
–
–
Zapier assistance
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.