Raltey vs Mermaid Chart
Per-type AI canvas with live integrations vs Mermaid-centric editor.
Side by side
Every feature, mapped against Mermaid Chart.
Feature
Mermaid ChartVisual drag-and-drop canvas
Mermaid syntax round-trip
AI agent with canvas context
Image-to-diagram
DB schema with SQL export
Live integrations (GitHub, Linear, Notion)
Limited
GitHub README embedding
Coming
Smart node actions (links, webhooks)
Pro pricing
$15/mo flat
$6.67/user/mo
Why choose Raltey
- Image-to-diagram from screenshots and whiteboard photos.
- DB schema canvas with SQL DDL export (PostgreSQL, MySQL, SQLite).
- Live integrations: GitHub repos, Linear issues, Notion docs as canvas nodes.
- Smart node actions: links, webhooks, cross-project navigation.
Mermaid Chart Strengths
- First-class Mermaid syntax editor with full round-trip to a visual Whiteboard.
- GitHub README embedding is mature and PR-friendly.
- Lower entry price (Pro is $6.67/user/month annual).
- Familiar to developers who already write Mermaid.
The verdict
Bottom line.
Pick Raltey for the DB schema canvas, live integrations, and smart node actions on a flat $15/mo plan. Mermaid Chart is right if your team already writes Mermaid for GitHub READMEs and the lower per-seat price ($6.67/user/mo) matters more than canvas integrations.
Try Raltey instead of Mermaid Chart
Free plan includes the AI agent, flow charts, and GitHub. No card required.