Unitlab Annotate vs LabelGPT vs Replicate vs LangChain

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

Your tool
Unitlab Annotate
vs
Competitor 1
LabelGPT
Competitor 2
Replicate
Competitor 3
LangChain
Compare
4 tools · best value per row highlighted
Your tool Unitlab Annotate
unitlab.ai
Remove
Competitor LabelGPT
labellerr.com
Make main Remove
Competitor Replicate
replicate.com
Run open-source AI without managing servers
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
7.2Kvisits/mo
135.3Kvisits/mo
1Mvisits/mo
3.4Mvisits/mo
MoM change
▲ 76.6%
▼ 22.5%
▼ 3.1%
▲ 0.7%
6-month growth
+37.1%
+18.2%
-30.2%
+21.0%
Global rank web
#2,769,635
#335,350
#39,584
#13,384
Avg. last 3 months
5.1K
139.9K
1.1M
3.3M
Bounce rate lower is better
62%
43%
35%
42%
Pages / visit
1.1
1.8
5.6
6.2
Visit duration
1m 41s
25s
5m 09s
5m 29s
Traffic sources
—
● Direct 70% · ● Referral 29%
● Direct 92% · ● Referral 6%
● Direct 73% · ● Referral 24%
Unitlab AnnotateLabelGPTReplicateLangChain
0850.7K1.7M2.6M3.4MUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KLabelGPT · 125.4KLabelGPT · 150.9KLabelGPT · 138.9KLabelGPT · 114.4KLabelGPT · 117KLabelGPT · 121.8KLabelGPT · 109.7KLabelGPT · 174.6KLabelGPT · 135.3KReplicate · 1.6MReplicate · 1.7MReplicate · 1.5MReplicate · 1.3MReplicate · 1.5MReplicate · 1.3MReplicate · 1.3MReplicate · 1.2MReplicate · 1.1MReplicate · 1MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1K10K100K1M10MUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KLabelGPT · 125.4KLabelGPT · 150.9KLabelGPT · 138.9KLabelGPT · 114.4KLabelGPT · 117KLabelGPT · 121.8KLabelGPT · 109.7KLabelGPT · 174.6KLabelGPT · 135.3KReplicate · 1.6MReplicate · 1.7MReplicate · 1.5MReplicate · 1.3MReplicate · 1.5MReplicate · 1.3MReplicate · 1.3MReplicate · 1.2MReplicate · 1.1MReplicate · 1MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$89per month · free tier available
$9,999per 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
Free FreeActive $99/moPro $195/mo
Researcher Plan FreePro Plan $9,999/yrEnterprise $0
Public Models Custom/usage-basedPrivate Models Custom/usage-based
Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
AudioVideoTextImagesDocuments
TextImages
ImagesText
CodeText
Output
Data
Data
VideoTextImagesAudio
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI APIAI Developer ToolsOpen Source AI Models
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
3
9
6
Image annotation
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Developer tools
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Image segmentation
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LLM development
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Development
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APIs
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Agent creation
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Agents
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Data labeling
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API integrations
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Inference
–
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Models
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Object identification
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Agent testing
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Data quality control
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Image generation
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OCR
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Video analysis
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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
▲ 1
▲ 0
▲ 1
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.