Unitlab Annotate vs LangChain vs Supadev vs Surge AI

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

Your tool
Unitlab Annotate
vs
Competitor 1
LangChain
Competitor 2
Supadev
Competitor 3
Surge AI
Compare
4 tools · best value per row highlighted
Your tool Unitlab Annotate
unitlab.ai
Competitor LangChain
langchain.com
Framework for building with large language models
Competitor Supadev
supadev.so
Ever notice how AI coding assistants sometimes generate code that's completely wrong for your project
Competitor Surge AI
surgehq.ai
Surge AI positions itself as a source of human intelligence for training advanced AI.
Traffic estimated monthly website traffic
Monthly visits
7.2Kvisits/mo
3.4Mvisits/mo
3.9Kvisits/mo
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MoM change
▲ 76.6%
▲ 0.7%
▲ 177.8%
—
6-month growth
+37.1%
+21.0%
—
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Global rank web
#2,769,635
#13,384
#4,727,095
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Avg. last 3 months
5.1K
3.3M
2.2K
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Bounce rate lower is better
62%
42%
56%
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Pages / visit
1.1
6.2
1.3
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Visit duration
1m 41s
5m 29s
5s
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Traffic sources
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● Direct 73% · ● Referral 24%
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Unitlab AnnotateLangChainSupadevSurge AI
0850.7K1.7M2.6M3.4MUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MSupadev · 941Supadev · 351Supadev · 1.2KSupadev · 1.4KSupadev · 3.9K1001K10K100K1M10MUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MSupadev · 941Supadev · 351Supadev · 1.2KSupadev · 1.4KSupadev · 3.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
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Starting price
$89per month · free tier available
$39per month · free tier available
$12per month
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Free tier
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Free trial
–
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API access
–
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Plans
Free FreeActive $99/moPro $195/mo
Developer FreePlus $39/moEnterprise Custom/mo
Professional Monthly $30/moProfessional Yearly $12/mo
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Capabilities input → output
Input
AudioDocumentsImagesTextVideo
CodeText
Text
Data
Output
Data
Apps
Documents
Data
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
6
5
4
Data labeling
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Developer tools
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LLM development
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Agent creation
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Agents
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Image annotation
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Code documentation
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Development
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Image segmentation
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Object identification
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Project specifications
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Technical documentation
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Agent testing
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Benchmarks
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Data quality control
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Documents
–
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Generative AI evaluation
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OCR
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Video analysis
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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.