LangChain vs OpenCode vs Haystack vs Kimi Code

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

Your tool
LangChain
vs
Competitor 1
OpenCode
Competitor 2
Haystack
Competitor 3
Kimi Code
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
Remove
Competitor OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
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
Competitor Kimi Code
kimi.com
Writing code means constantly jumping between your editor and browser tabs stuffed with documentation
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
—
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60.1Mvisits/mo
MoM change
▲ 0.7%
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▲ 52.2%
6-month growth
+21.0%
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+33.8%
Global rank web
#13,384
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#852
Avg. last 3 months
3.3M
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48.3M
Bounce rate lower is better
42%
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37%
Pages / visit
6.2
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3.9
Visit duration
5m 29s
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7m 13s
Traffic sources
● Direct 73% · ● Referral 24%
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● Direct 89% · ● Referral 10%
LangChainOpenCodeHaystackKimi Code
015M30.1M45.1M60.1MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1M1M10M100MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Free
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Freemium
Starting price
$39per month · free tier available
Free
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$15per month · free tier available
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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Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
Capabilities input → output
Input
CodeText
CodeText
CodeDocuments
CodeText
Output
Apps
Code
Apps
Code
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
3
5
6
Developer tools
Agent creation
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Agents
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Coding
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LLM development
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Development
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Debugging
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Refactoring
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Agent memory
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Agent testing
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Developer assistance
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Shell commands
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 1
Saves
0
0
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0
Reviews
0
0
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Prompts
0
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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.