LangChain vs Haystack vs OpenCode vs Augment Code

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
OpenCode
Competitor 3
Augment Code
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
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Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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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.
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Competitor Augment Code
augmentcode.com
Augment Code is an agentic software development company whose Cosmos platform runs software agents across the development lifecycle.
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Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
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MoM change
▲ 0.7%
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6-month growth
+21.0%
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Global rank web
#13,384
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Avg. last 3 months
3.3M
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Bounce rate lower is better
42%
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Pages / visit
6.2
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Visit duration
5m 29s
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Traffic sources
● Direct 73% · ● Referral 24%
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LangChainHaystackOpenCodeAugment Code
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
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Free
Paid
Starting price
$39per month · free tier available
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Free
$20per month
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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Standard $20/moBusiness $100/moEnterprise Custom
Capabilities input → output
Input
CodeText
CodeDocuments
CodeText
CodeText
Output
Apps
Apps
Code
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+2 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
7
6
6
Agents
Agent creation
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Developer tools
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Coding
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LLM development
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Development
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Self hosted
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Code reviews
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RAG
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Testing
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Agent memory
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Agent testing
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Code testing
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Local AI
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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
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Reviews
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.