Chartai vs CodeViz vs ERBuilder vs Whiteboard by Athena AI

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

Your tool
Chartai
vs
Competitor 1
CodeViz
Competitor 2
ERBuilder
Competitor 3
WBWhiteboard by Athena AI
Compare
4 tools · best value per row highlighted
Your tool Chartai
chartai.io
You land on Chartai and see a grid of quick start templates spanning eleven different visualization types
Competitor CodeViz
codeviz.ai
The free tier caps you at five diagrams monthly and one repository
Competitor 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.
Competitor WBWhiteboard by Athena AI
athenaboard.ai
Instant Visual Creation Describe your concept, and watch as AI instantly generates flowcharts, wireframes, mind maps, or UI prototypes—ready in seconds. Perfect for entrepreneurs, digital teams, and
Traffic estimated monthly website traffic
Monthly visits
31.5Kvisits/mo
3.4Kvisits/mo
5.4Kvisits/mo
1.1Kvisits/mo
MoM change
▲ 14.1%
▼ 44.8%
▼ 6.3%
▲ 1,238.1%
6-month growth
+11.0%
+35.5%
-22.4%
—
Global rank web
#1,121,782
#4,939,424
#3,419,998
#12,935,820
Avg. last 3 months
31.2K
4.1K
5.9K
402
Bounce rate lower is better
40%
35%
39%
38%
Pages / visit
1.7
1.8
1.9
1.1
Visit duration
22s
16s
15s
—
Traffic sources
● Direct 87% · ● Referral 13%
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—
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ChartaiCodeVizERBuilderWhiteboard by Athena AI
08.6K17.3K25.9K34.5KChartai · 25.4KChartai · 29.6KChartai · 26KChartai · 28.4KChartai · 27.5KChartai · 29.5KChartai · 34.5KChartai · 27.6KChartai · 31.5KCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4KERBuilder · 10.9KERBuilder · 12.8KERBuilder · 16KERBuilder · 7KERBuilder · 8.8KERBuilder · 8.8KERBuilder · 6.4KERBuilder · 5.8KERBuilder · 5.4KWhiteboard by Athena AI · 98Whiteboard by Athena AI · 174Whiteboard by Athena AI · 78Whiteboard by Athena AI · 84Whiteboard by Athena AI · 1.1K101001K10K100KChartai · 25.4KChartai · 29.6KChartai · 26KChartai · 28.4KChartai · 27.5KChartai · 29.5KChartai · 34.5KChartai · 27.6KChartai · 31.5KCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4KERBuilder · 10.9KERBuilder · 12.8KERBuilder · 16KERBuilder · 7KERBuilder · 8.8KERBuilder · 8.8KERBuilder · 6.4KERBuilder · 5.8KERBuilder · 5.4KWhiteboard by Athena AI · 98Whiteboard by Athena AI · 174Whiteboard by Athena AI · 78Whiteboard by Athena AI · 84Whiteboard by Athena AI · 1.1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free Trial
Freemium
Starting price
$5per month · free tier available
$19per month · free tier available
$139per month
$5.99per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
–
Plans
—
Free FreePro $19/moTeams $50/moCustom $0
Professional (Subscription) $139/yrEnterprise (Subscription) $399/yrProfessional (Lifetime) $279Enterprise (Lifetime) $799
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Capabilities input → output
Input
CodeDataText
CodeText
Text
Text
Output
DataImages
Images
Data
Images
Skill level
Beginner-friendly
Intermediate
Intermediate
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
8
8
5
9
Diagrams
Diagram assistance
–
Flowcharts
–
–
Mind maps
–
–
Architectural diagramming
–
–
–
Charts
–
–
–
Code diagramming
–
–
–
Code visualization
–
–
–
Data charts
–
–
–
Data modeling
–
–
–
Gantt charts
–
–
–
Code documentation
–
–
–
Database design
–
–
–
Infographics
–
–
–
Wireframes
–
–
–
Code reviews
–
–
–
Collaborative design
–
–
–
Google meet assistance
–
–
–
Onboarding tutorials
–
–
–
Prototyping
–
–
–
Schema generation
–
–
–
UML diagrams
–
–
–
UX design
–
–
–
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.