Haystack vs pgvector vs Code Wiki vs LangGraph

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

Your tool
Haystack
vs
Competitor 1
pgvector
Competitor 2
Code Wiki
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 pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
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Competitor Code Wiki
codewiki.google
Your codebase documents itself—that's the core promise here
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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.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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152.5Kvisits/mo
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MoM change
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▼ 17.8%
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6-month growth
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-70.8%
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Global rank web
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#251,881
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Avg. last 3 months
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225.3K
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Bounce rate lower is better
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41%
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Pages / visit
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3.0
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Visit duration
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55s
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Traffic sources
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● Direct 76% · ● Referral 24%
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HaystackpgvectorCode WikiLangGraph
0206.5K413K619.5K826KCode Wiki · 485KCode Wiki · 826KCode Wiki · 542.2KCode Wiki · 522.7KCode Wiki · 400.3KCode Wiki · 227.3KCode Wiki · 338.1KCode Wiki · 185.4KCode Wiki · 152.5K100K1MCode Wiki · 485KCode Wiki · 826KCode Wiki · 542.2KCode Wiki · 522.7KCode Wiki · 400.3KCode Wiki · 227.3KCode Wiki · 338.1KCode Wiki · 185.4KCode Wiki · 152.5KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
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Free
Free
Freemium
Starting price
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Free
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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Developer FreePlus $39/moEnterprise Custom
Capabilities input → output
Input
CodeDocuments
Data
Code
Code
Output
Apps
Data
ImagesText
Apps
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
3
7
6
Agent creation
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Agents
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Developer tools
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LLM development
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Agent memory
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Code documentation
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Codebase q a
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Vector databases
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Vector indexes
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Architecture
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Code explanations
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PostgreSQL assistance
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Agent collaboration
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Code analysis
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Code summaries
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GitHub pull requests
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
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Reviews
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Prompts
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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.