Scale AI vs Unitlab Annotate vs Lambda vs Hugging Face TRL

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

Your tool
Scale AI
vs
Competitor 1
Unitlab Annotate
Competitor 2
Lambda
Competitor 3
Hugging Face TRL
Compare
4 tools · best value per row highlighted
Your tool Scale AI
scale.com
Scale AI supplies the data and evaluation services behind many of the world's leading AI models, and it also builds applied AI systems for enterprises and governments.
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Competitor Unitlab Annotate
unitlab.ai
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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 Hugging Face TRL
huggingface.co
TRL, short for Transformers Reinforcement Learning, is a Hugging Face library for post-training transformer language models.
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Traffic estimated monthly website traffic
Monthly visits
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7.2Kvisits/mo
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MoM change
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▲ 76.6%
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6-month growth
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+37.1%
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Global rank web
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#2,769,635
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Avg. last 3 months
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5.1K
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Bounce rate lower is better
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62%
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Pages / visit
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1.1
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Visit duration
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1m 41s
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Traffic sources
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Scale AIUnitlab AnnotateLambdaHugging Face TRL
01.8K3.6K5.4K7.2KUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2K1K10KUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KNov '25DecJan '26FebMarAprAug
Pricing
Model
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Freemium
Paid
Freemium
Starting price
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$89per month · free tier available
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$9per 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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Free FreeActive $99/moPro $195/mo
On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Pro $9/moTeam $20/moFree FreeStorage $8/mo
Capabilities input → output
Input
Data
AudioDocumentsImagesTextVideo
CodeData
CodeData
Output
Data
Data
Apps
Data
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
7
3
5
Model training
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Data labeling
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LLM development
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Developer tools
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Fine-Tuning
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GPU infrastructure
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Image annotation
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LLM training
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Generative AI evaluation
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Image segmentation
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Object identification
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Data quality control
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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
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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.