- Home
- AI Thumbnail Generators
- Thumbium
On the recordRead 8 Oct 202613 facts
Thumbium
Plans and prices
Hobby
$17one-time
100 thumbnails every month in the current double-credit special · YouTube and Shorts · uses your OpenAI key
Read 8 Oct 2026 · thumbium.com
Business
$29one-time
200 thumbnails every month in the current double-credit special · YouTube and Shorts · uses your OpenAI key
Read 8 Oct 2026 · thumbium.com
Agency
$49one-time
500 thumbnails every month in the current double-credit special · YouTube and Shorts · uses your OpenAI key
Read 8 Oct 2026 · thumbium.com
On the record
- Editing
- Users can describe changes in plain language and ask the AI to edit an existing thumbnail.thumbium.com · read 8 Oct 2026
- Formats
- Projects can use widescreen 16:9 YouTube or vertical 9:16 Shorts sizing.thumbium.com · read 8 Oct 2026
- Gallery retention
- Generated thumbnails remain in the gallery for 30 days and are then deleted automatically.thumbium.com · read 8 Oct 2026
- Generation costs
- The page lists OpenAI costs of $0.04 per thumbnail at Medium quality and $0.16 at High quality.thumbium.com · read 8 Oct 2026
- Integration
- Thumbium uses the user's own OpenAI API key, and image-generation charges are paid to OpenAI.thumbium.com · read 8 Oct 2026
- Monthly limits
- Generation pauses when the package's monthly thumbnail limit is reached and resumes at the start of the next month unless another package is added.thumbium.com · read 8 Oct 2026
- Purpose
- Thumbium generates thumbnails from a text prompt for YouTube and Shorts.thumbium.com · read 8 Oct 2026
- Reference photos
- Users can optionally add subject, product, and background photos for the generated scene.thumbium.com · read 8 Oct 2026
- Refund policy
- The pricing page offers a 14-day money-back guarantee; its refund policy says OpenAI usage charges are separate and not refundable by Thumbium.thumbium.com · read 8 Oct 2026
- Styles
- Users can choose art styles and image types such as Photoreal, Cartoon, Anime, and 3D, or leave the image type on Auto.thumbium.com · read 8 Oct 2026
- Support
- The site lists support at [email protected].thumbium.com · read 8 Oct 2026
- Variations
- Thumbium can generate up to four thumbnail variations per request.thumbium.com · read 8 Oct 2026
- Who it is for
- The page describes Hobby for creators posting a few videos monthly, Business for regular uploaders, and Agency for agencies and high-volume channels.thumbium.com · read 8 Oct 2026