Chartai vs Mermaid Viewer vs CodeViz

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

Your tool
Chartai
vs
Competitor 1
Mermaid Viewer
Competitor 2
CodeViz
Competitor 3
Suggested competitors for Chartai: Napkin90% DG Diagram-Generator86% FFigureGPT83% ConceptViz79% WBWhiteboard by Athena AI78% AI Diagram Maker77% Tenorshare AI Diagrimo77% Whimsical77%
Compare
3 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
Remove
Competitor Mermaid Viewer
mermaidviewer.com
Mermaid Viewer runs entirely in your browser
Make main Remove
Competitor CodeViz
codeviz.ai
The free tier caps you at five diagrams monthly and one repository
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
31.5Kvisits/mo
143.2Kvisits/mo
3.4Kvisits/mo
MoM change
▲ 14.1%
▼ 10.9%
▼ 44.8%
6-month growth
+11.0%
-9.3%
+35.5%
Global rank web
#1,121,782
#317,277
#4,939,424
Avg. last 3 months
31.2K
163.4K
4.1K
Bounce rate lower is better
40%
45%
35%
Pages / visit
1.7
1.8
1.8
Visit duration
22s
19s
16s
Traffic sources
● Direct 87% · ● Referral 13%
● Direct 81% · ● Referral 19%
—
ChartaiMermaid ViewerCodeViz
046.6K93.1K139.7K186.3KChartai · 25.4KChartai · 29.6KChartai · 26KChartai · 28.4KChartai · 27.5KChartai · 29.5KChartai · 34.5KChartai · 27.6KChartai · 31.5KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4K1K10K100K1MChartai · 25.4KChartai · 29.6KChartai · 26KChartai · 28.4KChartai · 27.5KChartai · 29.5KChartai · 34.5KChartai · 27.6KChartai · 31.5KMermaid Viewer · 158.9KMermaid Viewer · 157.9KMermaid Viewer · 184.8KMermaid Viewer · 170.5KMermaid Viewer · 186.3KMermaid Viewer · 160.7KMermaid Viewer · 143.2KCodeViz · 4.2KCodeViz · 6.4KCodeViz · 2.7KCodeViz · 2.5KCodeViz · 6.3KCodeViz · 3.3KCodeViz · 2.5KCodeViz · 6.2KCodeViz · 3.4KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$5per month · free tier available
$69.99per month · free tier available
$19per month · free tier available
Free tier
Free trial
–
–
API access
–
–
Plans
—
Free FreeStarter $69.99/yrPro $119.99/yr
Free FreePro $19/moTeams $50/moCustom $0
Capabilities input → output
Input
CodeDataText
CodeText
CodeText
Output
DataImages
CodeImages
Images
Skill level
Beginner-friendly
Intermediate
Intermediate
Categories
Productivity & OfficeAI ChartingAI Diagram Generator
Productivity & OfficeAI Diagram Generator
Development & CodeProductivity & OfficeAI Developer ToolsAI Diagram Generator
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
8
6
8
Diagrams
Code diagramming
–
Flowcharts
–
Diagram assistance
–
UML diagrams
–
Architectural diagramming
–
–
Charts
–
–
Code visualization
–
–
Data charts
–
–
Gantt charts
–
–
Mind maps
–
–
Code documentation
–
–
Infographics
–
–
Mermaid images
–
–
Code reviews
–
–
Onboarding tutorials
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
–
–
–

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.