Haystack vs illumi vs Stack AI vs LangGraph

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

Your tool
Haystack
vs
Competitor 1
illumi
Competitor 2
Stack AI
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 illumi
illumi.one
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Competitor Stack AI
stack-ai.com
Connect AI models visually
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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
—
4.8Kvisits/mo
6.3Kvisits/mo
—
MoM change
—
▲ 13.4%
▼ 57.9%
—
6-month growth
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-37.4%
-93.7%
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Global rank web
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#3,948,892
#1,700,092
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Avg. last 3 months
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4.7K
13.9K
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Bounce rate lower is better
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34%
39%
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Pages / visit
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2.1
1.8
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Visit duration
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47s
14s
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Traffic sources
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—
—
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HaystackillumiStack AILangGraph
042K84K126K167.9Killumi · 3.9Killumi · 6.1Killumi · 5.9Killumi · 6.7Killumi · 7.7Killumi · 5.9Killumi · 6.9Killumi · 4.9Killumi · 4.2Killumi · 4.8KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3K1K10K100K1Millumi · 3.9Killumi · 6.1Killumi · 5.9Killumi · 6.7Killumi · 7.7Killumi · 5.9Killumi · 6.9Killumi · 4.9Killumi · 4.2Killumi · 4.8KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Freemium
Freemium
Starting price
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$12per month · free tier available
Free tier
$39per month · free tier available
Free tier
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Free trial
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API access
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–
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Plans
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Starter FreePro $12/moTeam CustomDesign Partner $0
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Developer FreePlus $39/moEnterprise Custom
Capabilities input → output
Input
CodeDocuments
DocumentsText
DataDocumentsText
Code
Output
Apps
Text
Apps
Apps
Skill level
Advanced
Beginner-friendly
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Chatbots & CompanionsProductivity & OfficeAI ChatbotAI Mind Mapping
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
5
7
8
Agents
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Agent creation
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Workflows
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Developer tools
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LLM development
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Agent memory
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Self hosted
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No-code
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RAG
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–
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Visual workspace
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–
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Business automation
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–
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Mind maps
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–
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Process automation
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–
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Team collaboration
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–
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Agent collaboration
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–
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Finance workflow automation
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–
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Knowledge maps
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–
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Virtual workspace
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–
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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
0
Prompts
0
0
0
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.