Haystack vs Weaviate vs OpenCode vs LangGraph

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

Your tool
Haystack
vs
Competitor 1
Weaviate
Competitor 2
OpenCode
Competitor 3
LangGraph
Compare
4 tools · best value per row highlighted
Your tool 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 Weaviate
weaviate.io
Search that understands meaning
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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 LangGraph
langchain.com
LangGraph is an open-source agent runtime and low-level orchestration framework for building AI agents that behave reliably on complex tasks.
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Traffic estimated monthly website traffic
Monthly visits
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154.2Kvisits/mo
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MoM change
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▼ 11.8%
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6-month growth
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-7.0%
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Global rank web
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#293,589
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Avg. last 3 months
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155.7K
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Bounce rate lower is better
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41%
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Pages / visit
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1.9
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Visit duration
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50s
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Traffic sources
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● Direct 82% · ● Referral 18%
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HaystackWeaviateOpenCodeLangGraph
056.5K113K169.5K226KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2K100K1MWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
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Freemium
Free
Freemium
Starting price
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$45per month · free tier available
Free
$39per month · free tier available
Free tier
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Free trial
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API access
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Plans
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Free FreeFlex $45/moPremium $0
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Developer FreePlus $39/moEnterprise Custom
Capabilities input → output
Input
CodeDocuments
DataImagesText
CodeText
Code
Output
Apps
Data
Code
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
6
3
6
Developer tools
LLM development
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Agent creation
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Agents
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Agent memory
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Coding
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Vector databases
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Databases
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APIs
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Agent collaboration
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Development
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Information retrieval
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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Saves
0
0
0
0
Reviews
0
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.