AI thumbnail maker for YouTube that writes the brief, generates the image and checks it at feed size
Multimodal AI foundation model for video, image, and audio generation
Stage
Not given
MVP
Founded
Not given
Not given
Based in
MA
Not given
Pricing model
Paid
Freemium
Pricing
Not given
Basic: $14.95/month or $179.4/year (60,000 credits, approximately 1,200 images or 400 videos); Plus: $29.95/month or $359.4/year (144,000 credits, approximately 2,880 images or 960 videos); Pro: $49.95/month or $599.4/year (264,000 credits, approximately 5,280 images or 1,760 videos). All plans incl
Key features
Paste YouTube video link to automatically write brief from title, description and transcript
Text is read back and corrected if letters are wrong
Checked at feed size with readability graded at 336 pixels
Brand kit to apply channel colors, lettering and visual style to every thumbnail
Export at 4K resolution (3840×2160) recommended by YouTube
Auto-Polish finds weakest point and fixes it automatically
Video generation with native audio up to 20 seconds
Text-to-video, image-to-video, and video-to-video reference transfer
Multilingual dialogue and sound design
Image synthesis and editing in multiple styles
Agentic multi-shot chaining for longer sequences
Action prediction for physical AI and robotics
Style diversity and typography generation
Reference-based video generation for consistent characters
Multilingual text rendering in images
What makes it different
Text automatically checked and corrected before you see the image
Built specifically for YouTube's constraints like duration badge corner and feed size
Full commercial rights with no watermark on any plan
Unified multimodal architecture learning from images, videos, and audio simultaneously
Native audio generation synchronized with video
Self-Flow architecture for improved quality and task performance
Multi-shot chaining for extended narratives with consistent characters
Integrated action prediction for robotics and physical AI
ThumbnailMaker
Flux 3