Haystack vs Stack AI vs LangChain

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

Your tool
Haystack
vs
Competitor 1
Stack AI
Competitor 2
LangChain
Competitor 3
Suggested competitors for Haystack: AutoGen94% Amazon Bedrock AgentCore93% Rivet93% LangGraph92% Semantic Kernel92% OAOpenAI Agents SDK91% IInitRunner91% Dify90%
Compare
3 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 Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
3.4Mvisits/mo
MoM change
—
▼ 57.9%
▲ 0.7%
6-month growth
—
-93.7%
+21.0%
Global rank web
—
#1,700,092
#13,384
Avg. last 3 months
—
13.9K
3.3M
Bounce rate lower is better
—
39%
42%
Pages / visit
—
1.8
6.2
Visit duration
—
14s
5m 29s
Traffic sources
—
—
● Direct 73% · ● Referral 24%
HaystackStack AILangChain
0850.7K1.7M2.6M3.4MStack 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 · 6.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1K10K100K1M10MStack 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 · 6.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Freemium
Starting price
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Free tier
$39per month · free tier available
Free tier
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Free trial
–
–
API access
–
–
Plans
—
—
Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
CodeDocuments
DataDocumentsText
CodeText
Output
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
3
6
Agents
Agent creation
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LLM development
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–
Workflows
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–
Developer tools
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–
Development
–
–
No-code
–
–
Agent testing
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
Saves
0
0
0
Reviews
0
0
0
Prompts
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.