Stacks vs Lambda vs Liminary vs Cerebro

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

Your tool
Stacks
vs
Competitor 1
Lambda
Competitor 2
Liminary
Competitor 3
Cerebro
Compare
4 tools · best value per row highlighted
Your tool Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
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Competitor Lambda
lambda.ai
Lambda is a GPU cloud built for training and serving AI models.
Make main Remove
Competitor Liminary
liminary.io
Ever open a browser tab to find something you saved three months ago, only to spend ten minutes hunting through bookmarks
Make main Remove
Competitor Cerebro
heycerebro.com
This platform promises to turn your scattered reading pile into a searchable knowledge base
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
23.3Kvisits/mo
6.1Kvisits/mo
MoM change
▼ 8.4%
—
▼ 18.4%
▲ 396.9%
6-month growth
-50.8%
—
-10.4%
+948.5%
Global rank web
#3,182,249
—
#1,028,276
#12,572,623
Avg. last 3 months
6.1K
—
24.3K
2.7K
Bounce rate lower is better
41%
—
37%
37%
Pages / visit
1.7
—
2.0
1.0
Visit duration
6s
—
51s
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Traffic sources
—
—
—
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StacksLambdaLiminaryCerebro
09.3K18.6K27.9K37.2KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KLiminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3KCerebro · 581Cerebro · 219Cerebro · 1.3KCerebro · 735Cerebro · 1.2KCerebro · 6.1K1001K10K100KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KLiminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3KCerebro · 581Cerebro · 219Cerebro · 1.3KCerebro · 735Cerebro · 1.2KCerebro · 6.1KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Paid
Freemium
Freemium
Starting price
$9per month
—
$29per month · free tier available
$4.99per month · free tier available
Free tier
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Free trial
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API access
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Plans
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Explorer FreePro $29/moTeam $50/mo
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Capabilities input → output
Input
DocumentsTextWeb pages
CodeData
DocumentsTextWeb pages
DocumentsWeb pages
Output
Text
Apps
Text
Text
Skill level
Beginner-friendly
Advanced
Intermediate
Intermediate
Categories
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Development & CodeAI Developer Tools
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeVideo EditingAI Files+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
3
6
7
Knowledge bases
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Bookmarking
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Chrome extensions
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Digital information management
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Note taking
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GPU infrastructure
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Document chat
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Knowledge maps
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Developer tools
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Knowledge consultation
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Knowledge exploration
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Knowledge graphs
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Model training
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PDF analysis
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Video summaries
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Web search summaries
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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.