LangChain vs LabelGPT vs Unitlab Annotate vs Haystack

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

Your tool
LangChain
vs
Competitor 1
LabelGPT
Competitor 2
Unitlab Annotate
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
Remove
Competitor LabelGPT
labellerr.com
Make main Remove
Competitor Unitlab Annotate
unitlab.ai
Make main Remove
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
135.3Kvisits/mo
7.2Kvisits/mo
—
MoM change
▲ 0.7%
▼ 22.5%
▲ 76.6%
—
6-month growth
+21.0%
+18.2%
+37.1%
—
Global rank web
#13,384
#335,350
#2,769,635
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Avg. last 3 months
3.3M
139.9K
5.1K
—
Bounce rate lower is better
42%
43%
62%
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Pages / visit
6.2
1.8
1.1
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Visit duration
5m 29s
25s
1m 41s
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Traffic sources
● Direct 73% · ● Referral 24%
● Direct 70% · ● Referral 29%
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—
LangChainLabelGPTUnitlab AnnotateHaystack
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MLabelGPT · 125.4KLabelGPT · 150.9KLabelGPT · 138.9KLabelGPT · 114.4KLabelGPT · 117KLabelGPT · 121.8KLabelGPT · 109.7KLabelGPT · 174.6KLabelGPT · 135.3KUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2K1K10K100K1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MLabelGPT · 125.4KLabelGPT · 150.9KLabelGPT · 138.9KLabelGPT · 114.4KLabelGPT · 117KLabelGPT · 121.8KLabelGPT · 109.7KLabelGPT · 174.6KLabelGPT · 135.3KUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
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Starting price
$39per month · free tier available
$9,999per month · free tier available
$89per month · free tier available
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Free tier
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Free trial
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–
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API access
–
–
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Plans
Developer FreePlus $39/moEnterprise Custom/mo
Researcher Plan FreePro Plan $9,999/yrEnterprise $0
Free FreeActive $99/moPro $195/mo
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Capabilities input → output
Input
CodeText
ImagesText
AudioDocumentsImagesTextVideo
CodeDocuments
Output
Apps
Data
Data
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
0
1
2
Agent creation
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Agents
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LLM development
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–
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Developer tools
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Development
–
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Agent testing
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OCR
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 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.