ERBuilder vs Lambda vs Eraser vs Whimsical

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

Your tool
ERBuilder
vs
Competitor 1
Lambda
Competitor 2
Eraser
Competitor 3
Whimsical
Compare
4 tools · best value per row highlighted
Your tool ERBuilder
soft-builder.com
ERBuilder is a data modeling application from Softbuilder, and its generative AI feature turns plain-language descriptions into entity-relationship diagrams.
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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 Eraser
eraser.io
Eraser is an AI diagramming tool for technical and process teams that generates diagrams from text prompts, code, or uploaded files.
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Competitor Whimsical
whimsical.com
Whimsical is a whiteboard for product builders that combines diagrams, flowcharts, mind maps, wireframes and documents on an infinite canvas.
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Traffic estimated monthly website traffic
Monthly visits
5.4Kvisits/mo
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MoM change
▼ 6.3%
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6-month growth
-22.4%
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Global rank web
#3,419,998
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Avg. last 3 months
5.9K
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Bounce rate lower is better
39%
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Pages / visit
1.9
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Visit duration
15s
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Traffic sources
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ERBuilderLambdaEraserWhimsical
04K8K12K16KERBuilder · 10.9KERBuilder · 12.8KERBuilder · 16KERBuilder · 7KERBuilder · 8.8KERBuilder · 8.8KERBuilder · 6.4KERBuilder · 5.8KERBuilder · 5.4K1K10K100KERBuilder · 10.9KERBuilder · 12.8KERBuilder · 16KERBuilder · 7KERBuilder · 8.8KERBuilder · 8.8KERBuilder · 6.4KERBuilder · 5.8KERBuilder · 5.4KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free Trial
Paid
Freemium
Freemium
Starting price
$139per month
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$15per month · free tier available
$10per month · free tier available
Free tier
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Free trial
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API access
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Plans
Professional (Subscription) $139/yrEnterprise (Subscription) $399/yrProfessional (Lifetime) $279Enterprise (Lifetime) $799
On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Free FreeStarter $15/moBusiness $45/moEnterprise Custom
Free FreePro $10/moBusiness $20/mo
Capabilities input → output
Input
Text
CodeData
CodeDocumentsImagesText
ImagesText
Output
Data
Apps
Images
Images
Skill level
Intermediate
Advanced
Intermediate
Beginner-friendly
Categories
Productivity & OfficeAI Diagram Generator
Development & CodeAI Developer Tools
Productivity & OfficeAI Diagram Generator
Design & CreativeProductivity & OfficeAI Diagram GeneratorAI Mind Mapping+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
3
10
9
Diagrams
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Diagram assistance
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Flowcharts
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Data modeling
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GPU infrastructure
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Architectural diagramming
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Code diagramming
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Database design
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Mind maps
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Team collaboration
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Wireframes
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BPMN
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BPMN diagrams
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Brainstorming
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Cloud diagrams
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Collaborative design
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Developer tools
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Model training
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Network diagrams
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Schema generation
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UML diagrams
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UX design
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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.