Chartai vs CodeViz vs Eraser vs Napkin

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
Eraser
Competitor 3
Napkin
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
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Competitor CodeViz
codeviz.ai
The free tier caps you at five diagrams monthly and one repository
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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 Napkin
napkin.ai
Napkin works directly from your text: paste or import it, click generate, and it proposes visuals that match the ideas in the writing.
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Traffic estimated monthly website traffic
Monthly visits
31.5Kvisits/mo
3.4Kvisits/mo
—
1.3Mvisits/mo
MoM change
▲ 14.1%
▼ 44.8%
—
▼ 8.5%
6-month growth
+11.0%
+35.5%
—
-46.4%
Global rank web
#1,121,782
#4,939,424
—
#36,124
Avg. last 3 months
31.2K
4.1K
—
1.4M
Bounce rate lower is better
40%
35%
—
41%
Pages / visit
1.7
1.8
—
3.9
Visit duration
22s
16s
—
2m 36s
Traffic sources
● Direct 87% · ● Referral 13%
—
—
● Direct 86% · ● Referral 9%
ChartaiCodeVizEraserNapkin
0831.2K1.7M2.5M3.3MChartai · 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 · 3.4KNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3M1K10K100K1M10MChartai · 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 · 3.4KNapkin · 3.3MNapkin · 2.7MNapkin · 2.4MNapkin · 2.3MNapkin · 2.4MNapkin · 2.1MNapkin · 1.8MNapkin · 1.6MNapkin · 1.4MNapkin · 1.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$5per month · free tier available
$19per month · free tier available
$15per month · free tier available
$9per month · free tier available
Free tier
Free trial
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–
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API access
–
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Plans
—
Free FreePro $19/moTeams $50/moCustom $0
Free FreeStarter $15/moBusiness $45/moEnterprise Custom
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Capabilities input → output
Input
DataTextCode
TextCode
TextImagesDocumentsCode
DataText
Output
ImagesData
Images
Images
SlidesImagesData
Skill level
Beginner-friendly
Intermediate
Intermediate
Beginner-friendly
Categories
Productivity & OfficeAI ChartingAI Diagram Generator
Development & CodeProductivity & OfficeAI Developer ToolsAI Diagram Generator
Productivity & OfficeAI Diagram Generator
Design & CreativeProductivity & OfficeAI ChartingAI Diagram Generator+3 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
8
8
10
7
Diagrams
Flowcharts
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Mind maps
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Architectural diagramming
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Charts
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Code diagramming
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Data charts
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Infographics
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Diagram assistance
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UML diagrams
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Code visualization
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Gantt charts
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Code documentation
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–
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BPMN
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BPMN diagrams
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Cloud diagrams
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Code reviews
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Network diagrams
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Onboarding tutorials
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Presentations
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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.