LangChain vs Haystack vs GitHub Copilot vs LlamaIndex

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

Your tool
LangChain
vs
Competitor 1
Haystack
Competitor 2
GitHub Copilot
Competitor 3
LlamaIndex
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
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
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
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
—
637.9Mvisits/mo
324Kvisits/mo
MoM change
▲ 0.7%
—
▲ 3.7%
▼ 21.0%
6-month growth
+21.0%
—
+19.3%
-29.5%
Global rank web
#13,384
—
#49
#118,014
Avg. last 3 months
3.3M
—
629.7M
398.3K
Bounce rate lower is better
42%
—
36%
46%
Pages / visit
6.2
—
5.9
2.8
Visit duration
5m 29s
—
6m 26s
1m 57s
Traffic sources
● Direct 73% · ● Referral 24%
—
● Direct 83% · ● Referral 15%
● Direct 74% · ● Referral 20%
LangChainHaystackGitHub CopilotLlamaIndex
0159.5M318.9M478.4M637.9MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324K100K1M10M100M1BLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Freemium
Freemium
Starting price
$39per month · free tier available
—
$4per month · free tier available
Free tier
Free tier
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Free trial
–
–
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API access
–
–
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Plans
Developer FreePlus $39/moEnterprise Custom/mo
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Free FreeTeam $4/moEnterprise $21/mo
Free FreeStarter Custom/moPro Custom/moEnterprise Custom/mo
Capabilities input → output
Input
CodeText
CodeDocuments
CodeText
DocumentsImages
Output
Apps
Apps
Code
DataText
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
7
9
12
Agents
LLM development
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Developer tools
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Agent creation
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Development
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Code autocompletion
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Coding
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Data extraction
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Document data extraction
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Document processing
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RAG
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Code reviews
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Coding in VS Code
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OCR
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Text extraction
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Vs code
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Agent management
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Agent memory
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Agent testing
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Debugging
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Information retrieval
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Medical data extraction
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Self hosted
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Terminal
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Workflows
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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
2
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.