LangChain vs LlamaIndex vs Langflow vs OpenAI Agents SDK

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

Your tool
LangChain
vs
Competitor 1
LlamaIndex
Competitor 2
Langflow
Competitor 3
OAOpenAI Agents SDK
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
Competitor LlamaIndex
llamaindex.ai
Connect AI to your data
Competitor Langflow
langflow.org
Drag and drop AI
Competitor OAOpenAI Agents SDK
openai.github.io
The OpenAI Agents SDK is a Python package for building agentic applications with very few abstractions.
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
324Kvisits/mo
215.3Kvisits/mo
—
MoM change
▲ 0.7%
▼ 21.0%
▼ 0.7%
—
6-month growth
+21.0%
-29.5%
-4.9%
—
Global rank web
#13,384
#118,014
#217,191
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Avg. last 3 months
3.3M
398.3K
225.2K
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Bounce rate lower is better
42%
46%
44%
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Pages / visit
6.2
2.8
2.2
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Visit duration
5m 29s
1m 57s
1m 04s
—
Traffic sources
● Direct 73% · ● Referral 24%
● Direct 74% · ● Referral 20%
● Direct 76% · ● Referral 24%
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LangChainLlamaIndexLangflowOpenAI Agents SDK
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 · 324KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K100K1M10MLangChain · 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 · 324KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Free
Starting price
$39per month · free tier available
Free tier
Free
Free
Free tier
Free trial
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API access
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Plans
Developer FreePlus $39/moEnterprise Custom/mo
Free FreeStarter Custom/moPro Custom/moEnterprise Custom/mo
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Capabilities input → output
Input
CodeText
DocumentsImages
Text
AudioCodeText
Output
Apps
DataText
Apps
AppsAudio
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
12
9
2
Agents
Agent creation
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LLM development
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Developer tools
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Development
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Workflows
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Data extraction
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Document data extraction
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Document processing
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No-code
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Chatbots
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OCR
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Text extraction
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APIs
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Agent testing
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Information retrieval
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Medical data extraction
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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.