RBLX/ai vs Thumbmachine
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. RBLX/ai starts at See pricing page and Thumbmachine starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Roblox icons and thumbnails
- Reference image upload
- Vector and logo output
- Presets
- API access
- AI hero image creation
- Backdrop and gradient library
- Color palette suggestions
- Background remover
- Multiple versions for A/B tests
| Feature | RBLX/ai | Thumbmachine |
|---|---|---|
| Best for | AI image generator for Roblox icons, thumbnails and graphics | Build YouTube thumbnails from an AI hero image and a title |
| Category | Image | Image |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | No | Yes |
| Made by | RBLX/ai | Thumbmachine |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
RBLX/ai starts at See pricing page and Thumbmachine starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Pro
$15.99/mo billed yearly
- 90 credits a month
- 4 reference images
- HD icons and thumbnails
Unlimited
$23.99/mo billed yearly
- 180 credits a month
- 6 reference images
- HD vector and logo quality
Enterprise
Contact sales
- Custom credits and API limits
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
RBLX/ai
- Tailored to Roblox art styles
- Credit packs available without a subscription
- API for developers
- Prices shown are for annual billing
- Credit counts are low on cheaper plans
- Narrow focus on Roblox
Thumbmachine
- Free signup without a card
- Quick four-step workflow
- Extra tools for palettes and backgrounds
- Plan details not visible on the page
- Aimed at thumbnails, not general design
- Site copy still refers to 2024
Which one should you choose?
Choose RBLX/ai if you want:
- Tailored to Roblox art styles
- Credit packs available without a subscription
- API for developers
Watch out: prices shown are for annual billing.
Choose Thumbmachine if you want:
- Free signup without a card
- Quick four-step workflow
- Extra tools for palettes and backgrounds
Watch out: plan details not visible on the page.
RBLX/ai vs Thumbmachine FAQ
What is the difference between RBLX/ai and Thumbmachine?
RBLX/ai: AI image generator for Roblox icons, thumbnails and graphics. Thumbmachine: Build YouTube thumbnails from an AI hero image and a title. Both are image tools.
Is RBLX/ai or Thumbmachine cheaper?
RBLX/ai starts at See pricing page and Thumbmachine starts at See pricing page. Check both pricing pages for current plans.
Do RBLX/ai and Thumbmachine have free plans?
RBLX/ai: No. Thumbmachine: Yes.
Who makes RBLX/ai?
RBLX/ai is made by RBLX/ai.
Who makes Thumbmachine?
Thumbmachine is made by Thumbmachine.
Which should I choose, RBLX/ai or Thumbmachine?
Choose RBLX/ai if you value tailored to roblox art styles and credit packs available without a subscription. Choose Thumbmachine if you value free signup without a card and quick four-step workflow.