Haystack vs LangChain vs Unitlab Annotate vs Flowise

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

Your tool
Haystack
vs
Competitor 1
LangChain
Competitor 2
Unitlab Annotate
Competitor 3
Flowise
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 LangChain
langchain.com
Framework for building with large language models
Make main Remove
Competitor Unitlab Annotate
unitlab.ai
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Competitor Flowise
flowiseai.com
No-code AI workflows
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
3.4Mvisits/mo
7.2Kvisits/mo
168.3Kvisits/mo
MoM change
—
▲ 0.7%
▲ 76.6%
▼ 27.6%
6-month growth
—
+21.0%
+37.1%
-14.1%
Global rank web
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#13,384
#2,769,635
#239,649
Avg. last 3 months
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3.3M
5.1K
203.8K
Bounce rate lower is better
—
42%
62%
43%
Pages / visit
—
6.2
1.1
2.8
Visit duration
—
5m 29s
1m 41s
1m 23s
Traffic sources
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● Direct 73% · ● Referral 24%
—
● Direct 79% · ● Referral 19%
HaystackLangChainUnitlab AnnotateFlowise
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3K1K10K100K1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Freemium
Freemium
Starting price
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$39per month · free tier available
$89per month · free tier available
$35per 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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Developer FreePlus $39/moEnterprise Custom/mo
Free FreeActive $99/moPro $195/mo
Free FreeStarter $35/moPro $65/mo
Capabilities input → output
Input
CodeDocuments
CodeText
AudioDocumentsImagesTextVideo
DocumentsText
Output
Apps
Apps
Data
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
6
6
10
Agent creation
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Agents
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LLM development
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Developer tools
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Development
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Image annotation
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No-code
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Workflows
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Agent collaboration
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Chatbot building
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–
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Chatbots
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–
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Image segmentation
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–
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Object identification
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–
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Agent memory
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Agent testing
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Chatbot integration
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Data quality control
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OCR
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Video analysis
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Workflow deployment
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
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.