Langflow vs LlamaIndex vs Stack AI

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

Your tool
Langflow
vs
Competitor 1
LlamaIndex
Competitor 2
Stack AI
Competitor 3
Suggested competitors for Langflow: Flowise92% Dify88% LangChain85% Haystack82% Rivet79% LLangdock77% MindStudio76% Hal76%
Compare
3 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
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Competitor LlamaIndex
llamaindex.ai
Connect AI to your data
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
324Kvisits/mo
6.3Kvisits/mo
MoM change
▼ 0.7%
▼ 21.0%
▼ 57.9%
6-month growth
-4.9%
-29.5%
-93.7%
Global rank web
#217,191
#118,014
#1,700,092
Avg. last 3 months
225.2K
398.3K
13.9K
Bounce rate lower is better
44%
46%
39%
Pages / visit
2.2
2.8
1.8
Visit duration
1m 04s
1m 57s
14s
Traffic sources
● Direct 76% · ● Referral 24%
● Direct 74% · ● Referral 20%
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LangflowLlamaIndexStack AI
0117.7K235.4K353K470.7KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3K1K10K100K1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Starting price
Free
Free tier
Free tier
Free tier
Free trial
–
–
API access
Plans
—
Free FreeStarter Custom/moPro Custom/moEnterprise Custom/mo
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Capabilities input → output
Input
Text
DocumentsImages
DataDocumentsText
Output
Apps
DataText
Apps
Skill level
Advanced
Advanced
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
9
12
5
Agents
Workflows
No-code
–
Agent creation
–
Developer tools
–
LLM development
–
Development
–
Data extraction
–
–
Document data extraction
–
–
Document processing
–
–
Chatbots
–
–
OCR
–
–
Text extraction
–
–
APIs
–
–
Finance workflow automation
–
–
Information retrieval
–
–
Medical data extraction
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 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.