Diagram vs Gamma: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Diagram and Gamma side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Diagram
Generate UI components and mockups from text descriptions
Best for you if:
- • You want AI-powered diagram creation
Gamma
AI-powered creation of presentations, websites, and social content
Best for you if:
- • You want a free tier before you commit
| At a Glance | Diagram | Gamma |
|---|---|---|
Starts at | Free plan | Free plan, paid from $8/mo, billed monthly Plus plan |
Category | UI/UX Design AI Assistants | Presentation Design AI Assistants |
Rating | n/a | 3.3/5 Trustpilot 1.7 · Capterra 4.6 · G2 4.6 157 reviews |
Free plan | No | Yes |
Watch out for | Potential minimum seat requirements for Pro | Free plan credits (400) are one-time only, they do not refresh monthly. Once depleted, AI generation stops entirely until you upgrade. |
Choose Diagram or Gamma?
Choose Diagram if
- You want AI-powered diagram creation
- You want quick visualization generation
- You work in UI/UX design, not presentation design
Choose Gamma if
- You want a free tier before you commit
- You want AI presentations
- You want good design
- You work in presentation design, not UI/UX design
In-Depth Analysis
Diagram
Generate UI components and mockups from text descriptions
It's best for individuals or small teams needing basic tools, or larger organizations willing to negotiate for advanced features.
Watch out
Potential minimum seat requirements for Pro
Strengths
- Pro: AI-powered diagram creation
- Pro: Quick visualization generation
- Pro: Multiple diagram types supported
- Pro: Text-to-diagram capabilities
- Pro: Simplifies complex visualizations
Weaknesses
- Con: AI diagrams may need refinement
- Con: Limited customization options
- Con: Premium features cost extra
- Con: May not match professional tools
- Con: Output quality varies
Key features
Gamma
AI-powered creation of presentations, websites, and social content
The Free tier gives you 400 one-time credits (enough for 5-8 full presentations) to evaluate the product, though the "Made with Gamma" watermark limits professional use.
Watch out
Free plan credits (400) are one-time only, they do not refresh monthly. Once depleted, AI generation stops entirely until you upgrade.
Strengths
- Pro: AI presentations
- Pro: Good design
- Pro: Easy to use
- Pro: Export options
- Pro: Free tier available
Weaknesses
- Con: Limited customization
- Con: AI quality varies
- Con: Template limitations
- Con: Branding on free
- Con: Less control than PPT
Key features
Plans and prices: Diagram vs Gamma
| Tool | Plans and prices | Source |
|---|---|---|
| Diagram |
| diagram.com read Oct 5, 2026 |
| Gamma |
| gamma.app read Sep 30, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Diagram pricing and Gamma pricing.
Key Takeaways
Diagram
- Choose if you want generate UI components and mockups from text descriptions
Gamma
- Choose if you want AI-powered creation of presentations, websites, and social content
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Gamma has a published user rating (3.3/5 from 157 reviews); Diagram has none we can show.
- Gamma starts at $8/mo, billed monthly; Diagram has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Diagram and Gamma compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Gamma has a published user rating (3.3/5 from 157 reviews); Diagram has none we can show. Gamma starts at $8/mo, billed monthly; Diagram has no public paid plan price on file. Both have a free plan.
What are Diagram and Gamma used for?
Diagram: Generate UI components and mockups from text descriptions. Gamma: AI-powered creation of presentations, websites, and social content.
What does Diagram cost vs Gamma?
Diagram has no public paid-plan price on file. Gamma's cheapest paid plan is Plus at $8/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 5, 2026.
What's the main difference between Diagram and Gamma?
Diagram's main strength: AI-powered diagram creation. Gamma's main strength: AI presentations.