Haystack vs CometAPI vs Dify vs LangChain

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

Your tool
Haystack
vs
Competitor 1
CometAPI
Competitor 2
Dify
Competitor 3
LangChain
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 CometAPI
cometapi.com
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
Make main Remove
Competitor Dify
dify.ai
AI apps without code
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
302.3Kvisits/mo
1Mvisits/mo
3.4Mvisits/mo
MoM change
—
▲ 9.9%
▼ 16.6%
▲ 0.7%
6-month growth
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-16.5%
-30.6%
+21.0%
Global rank web
—
#157,147
#39,510
#13,384
Avg. last 3 months
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295.7K
1.1M
3.3M
Bounce rate lower is better
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46%
41%
42%
Pages / visit
—
2.9
4.4
6.2
Visit duration
—
38s
6m 40s
5m 29s
Traffic sources
—
● Direct 69% · ● Referral 30%
● Direct 84% · ● Referral 15%
● Direct 73% · ● Referral 24%
HaystackCometAPIDifyLangChain
0850.7K1.7M2.6M3.4MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M100K1M10MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MLangChain · 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
Freemium
Starting price
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$4per month · free tier available
$590per month · free tier available
$39per month · free tier available
Free tier
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Free trial
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–
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API access
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Plans
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Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
CodeDocuments
ImagesText
DocumentsText
CodeText
Output
Apps
ImagesTextVideo
Apps
Apps
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI API
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
6
9
6
Developer tools
Agent creation
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Agents
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LLM development
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Development
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APIs
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–
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LLM gateway
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–
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No-code
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–
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RAG
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–
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Workflows
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–
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API integrations
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–
–
Chatbots
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–
–
Agent memory
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–
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Agent testing
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–
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Image generation
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–
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Productivity
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–
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Self hosted
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–
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Video generation
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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–
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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.