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Gliffy vs Mermaid

Side by side, from each tool's own website. A tool's rating shows once it has 3 reviews.

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At a glance

Mermaid offers a free trial (length not stated). We haven't confirmed one for Gliffy.
Gliffy's lowest paid plan is Gliffy Zero Egress at $2.80 per month, as low as, for 1-100 users, as of November 14, 2026.
Mermaid's lowest paid plan is Plus at A$14 per user per month, billed annually, as of November 14, 2026.
Only Gliffy lists Confluence Cloud.
Only Mermaid lists JetBrains IDEs.
Both work with Confluence and Jira.
Both list SOC 2.
Only Gliffy lists GDPR and HIPAA.
Only Mermaid lists SSO.

From each tool's own website, checked on the dates below, and from published reviews.

Which to choose

From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.

Choose Gliffy if you need

Confluence Cloud. We haven't found it on Mermaid's website.
Integration with Microsoft Visio or draw.io. We haven't found them on Mermaid's website.
GDPR or HIPAA. We haven't found them on Mermaid's website.

Choose Mermaid if you need

JetBrains IDEs. We haven't found it on Gliffy's website.
Integration with GitHub Copilot, Claude or Cursor. We haven't found them on Gliffy's website.
SSO. We haven't found it on Gliffy's website.

Gliffy

No reviews yet

Nobody has reviewed Gliffy yet. Its rating shows once it has 3 reviews.

M

Mermaid

No reviews yet

Nobody has reviewed Mermaid yet. Its rating shows once it has 3 reviews.

The facts

GliffyMermaid

What it does: GliffyGliffy turns your team's captured knowledge into technical diagrams inside Confluence.; MermaidA collaborative diagramming platform to create diagrams using AI, code, or clicks.
Free plan: GliffyNot confirmed; MermaidNot confirmed
Pricing: GliffyPer user, billed annually; MermaidNot confirmed
Paid plans from: GliffyGliffy Zero Egress: $2.80 per month, as low as, for 1-100 users; MermaidPlus: A$14 per user per month, billed annually
Plans: GliffyGliffy Zero Egress: $2.80 As of November 14, 2026; MermaidPlus: A$14 Premium: A$28 Enterprise: Custom As of November 14, 2026
Platforms: GliffyConfluence Cloud; MermaidJetBrains IDEs
Works with: GliffyConfluence, Jira, Microsoft Visio, draw.io; MermaidGitHub Copilot, Confluence, Jira, Claude, Cursor
Main features: GliffyGenerate with AI, Drag and drop interface, Interactive diagramming, Many diagram types, Export formats; MermaidAI diagram generation, Build with code, Real-time collaboration, MCP server, Mermaid Flow workflows
Free trial: GliffyNot confirmed; MermaidYes
Security and compliance: GliffySOC 2, GDPR, HIPAA; MermaidSOC 2, SSO
On askusers: GliffyNot claimed by its team yet; MermaidNot claimed by its team yet

Gliffy: Facts from gliffy.com, checked November 14, 2026. Sources: gliffy.com, gliffy.com/pricing, gliffy.com/solutions/diagrams-for-product-teams.

Mermaid: Facts from mermaid.ai, checked November 14, 2026. Sources: mermaid.ai, mermaid.ai/pricing, mermaid.ai/products/flow.

Prices change, so confirm on their sites.

What they share

From the platforms and integrations each website lists.

Platforms

BothNone in common

Only Gliffy

Confluence Cloud

Only Mermaid

JetBrains IDEs

Integrations

Both

Confluence
Jira

Only Gliffy

Microsoft Visio
draw.io

Only Mermaid

GitHub Copilot
Claude
Cursor

People who switched

Reviewers who say they used one of these before the other.

No reviewer has said they moved between Gliffy and Mermaid yet.

Used either of them?

Your review makes this comparison better for the next person. Review Gliffy or review Mermaid.