Lambda vs Unitlab Annotate vs Stack AI vs RunPod

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

Your tool
Lambda
vs
Competitor 1
Unitlab Annotate
Competitor 2
Stack AI
Competitor 3
RunPod
Compare
4 tools · best value per row highlighted
Your tool Lambda
lambda.ai
Lambda is a GPU cloud built for training and serving AI models.
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Competitor Unitlab Annotate
unitlab.ai
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor RunPod
runpod.io
Cheap GPUs on demand
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
7.2Kvisits/mo
6.3Kvisits/mo
2.8Mvisits/mo
MoM change
—
▲ 76.6%
▼ 57.9%
▲ 14.2%
6-month growth
—
+37.1%
-93.7%
+19.0%
Global rank web
—
#2,769,635
#1,700,092
#19,060
Avg. last 3 months
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5.1K
13.9K
2.5M
Bounce rate lower is better
—
62%
39%
32%
Pages / visit
—
1.1
1.8
7.4
Visit duration
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1m 41s
14s
8m 19s
Traffic sources
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—
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● Direct 78% · ● Referral 21%
LambdaUnitlab AnnotateStack AIRunPod
0701.3K1.4M2.1M2.8MUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KRunPod · 1.8MRunPod · 1.9MRunPod · 1.9MRunPod · 1.9MRunPod · 2.4MRunPod · 2.3MRunPod · 2.3MRunPod · 2.2MRunPod · 2.5MRunPod · 2.8M1K10K100K1M10MUnitlab Annotate · 6.4KUnitlab Annotate · 5.3KUnitlab Annotate · 4.3KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 4.1KUnitlab Annotate · 7.2KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KRunPod · 1.8MRunPod · 1.9MRunPod · 1.9MRunPod · 1.9MRunPod · 2.4MRunPod · 2.3MRunPod · 2.3MRunPod · 2.2MRunPod · 2.5MRunPod · 2.8MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Freemium
Starting price
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$89per month · free tier available
Free tier
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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
On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Free FreeActive $99/moPro $195/mo
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Pods (Community Cloud) Custom/hourServerless Custom/hourClusters Custom/hourStorage Custom/mo
Capabilities input → output
Input
CodeData
AudioDocumentsImagesTextVideo
DataDocumentsText
CodeData
Output
Apps
Data
Apps
Apps
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeAI APIAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
3
7
7
4
GPU infrastructure
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Developer tools
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Agents
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Data labeling
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Image annotation
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No-code
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Workflows
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Agent creation
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–
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Business automation
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Cloud infrastructure
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–
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Image segmentation
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Object identification
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Process automation
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Data quality control
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Development
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Finance workflow automation
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Model training
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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
▲ 0
▲ 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.