Haystack vs Lambda vs Respan vs LangChain

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

Your tool
Haystack
vs
Competitor 1
Lambda
Competitor 2
Respan
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 Lambda
lambda.ai
Lambda is a GPU cloud built for training and serving AI models.
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Competitor Respan
respan.ai
Building AI apps
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Competitor LangChain
langchain.com
Framework for building with large language models
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Traffic estimated monthly website traffic
Monthly visits
—
—
87.3Kvisits/mo
3.4Mvisits/mo
MoM change
—
—
▲ 28.5%
▲ 0.7%
6-month growth
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+881.1%
+21.0%
Global rank web
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#497,399
#13,384
Avg. last 3 months
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74.8K
3.3M
Bounce rate lower is better
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41%
42%
Pages / visit
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2.5
6.2
Visit duration
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19s
5m 29s
Traffic sources
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● Direct 89% · ● Referral 11%
● Direct 73% · ● Referral 24%
HaystackLambdaRespanLangChain
0850.7K1.7M2.6M3.4MRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1001K10K100K1M10MRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KLangChain · 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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Paid
Freemium
Freemium
Starting price
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$199per month · free tier available
$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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On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Free FreeTeam $199/yrEnterprise Custom
Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
CodeDocuments
CodeData
DataText
CodeText
Output
Apps
Apps
DataText
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
3
9
6
Developer tools
LLM development
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Agent creation
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Agents
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AI system monitoring
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GPU infrastructure
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RAG
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Development
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LLM testing
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Monitoring
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Prompt management
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APIs
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Agent memory
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Agent testing
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Application monitoring
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Model training
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Red teaming guidance
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Self hosted
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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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▲ 1
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.