LangChain vs LlamaIndex vs OpenAI Agents SDK vs Flowise

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
OAOpenAI Agents SDK
Competitor 3
Flowise
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 OAOpenAI Agents SDK
openai.github.io
The OpenAI Agents SDK is a Python package for building agentic applications with very few abstractions.
Competitor Flowise
flowiseai.com
No-code AI workflows
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
324Kvisits/mo
—
168.3Kvisits/mo
MoM change
▲ 0.7%
▼ 21.0%
—
▼ 27.6%
6-month growth
+21.0%
-29.5%
—
-14.1%
Global rank web
#13,384
#118,014
—
#239,649
Avg. last 3 months
3.3M
398.3K
—
203.8K
Bounce rate lower is better
42%
46%
—
43%
Pages / visit
6.2
2.8
—
2.8
Visit duration
5m 29s
1m 57s
—
1m 23s
Traffic sources
● Direct 73% · ● Referral 24%
● Direct 74% · ● Referral 20%
—
● Direct 79% · ● Referral 19%
LangChainLlamaIndexOpenAI Agents SDKFlowise
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 · 324KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3K100K1M10MLangChain · 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 · 324KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Freemium
Starting price
$39per month · free tier available
Free tier
Free
$35per month · free tier available
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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Free FreeStarter $35/moPro $65/mo
Capabilities input → output
Input
CodeText
DocumentsImages
AudioCodeText
DocumentsText
Output
Apps
DataText
AppsAudio
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
12
6
10
Agents
Agent creation
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Developer tools
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LLM development
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Development
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Workflows
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Agent collaboration
–
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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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Chatbot building
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Chatbots
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–
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OCR
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Text extraction
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Agent testing
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Chatbot integration
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Information retrieval
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Medical data extraction
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Voice agents
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Workflow deployment
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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.