LlamaIndex vs Chat4Data vs Langflow vs Haystack

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
Langflow
Competitor 3
Haystack
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 Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
324Kvisits/mo
46.4Kvisits/mo
215.3Kvisits/mo
—
MoM change
▼ 21.0%
▼ 4.7%
▼ 0.7%
—
6-month growth
-29.5%
+77.8%
-4.9%
—
Global rank web
#118,014
#637,750
#217,191
—
Avg. last 3 months
398.3K
45.8K
225.2K
—
Bounce rate lower is better
46%
37%
44%
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Pages / visit
2.8
2.6
2.2
—
Visit duration
1m 57s
26s
1m 04s
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Traffic sources
● Direct 74% · ● Referral 20%
● Direct 77% · ● Referral 23%
● Direct 76% · ● Referral 24%
—
LlamaIndexChat4DataLangflowHaystack
0117.7K235.4K353K470.7KLlamaIndex · 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 · 46.4KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K10K100K1MLlamaIndex · 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 · 46.4KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Free
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Starting price
Free tier
Free
Free
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Free tier
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Free trial
–
–
–
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API access
–
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Plans
Free FreeStarter Custom/moPro Custom/moEnterprise Custom/mo
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Capabilities input → output
Input
DocumentsImages
DocumentsImagesText
Text
CodeDocuments
Output
DataText
Data
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Productivity & OfficeAI Document ExtractionAI Workflow
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
12
8
9
7
Agents
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LLM development
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Developer tools
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Data extraction
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Document data extraction
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Agent creation
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Document processing
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Development
–
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OCR
–
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Text extraction
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Workflows
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No-code
–
–
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RAG
–
–
–
Chatbots
–
–
–
Email extraction
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–
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Invoice data extraction
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–
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APIs
–
–
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Agent memory
–
–
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Information retrieval
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Medical data extraction
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Self hosted
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–
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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
▲ 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.