AI画像生成サイト｜登録不要・無料・透かしなし | SeiSei AI
Introduction
登録不要で使える無料AI画像生成サイト。テキストから画像を作成し、保存・調整・商用利用にも対応。
SeiSei AI's Overview
SeiSei AI is a Japanese AI image generation platform that lets users create AI illustrations and realistic AI photos from text prompts without registration. It offers a free no-sign-up experience with no watermark, supports Japanese prompts, and allows reference-image uploads of up to 10 files. Guests can try the basic model for free up to 3 images per day, while logged-in users get history management, 5 welcome credits, and access to higher-quality models such as GPT Image 2. SeiSei AI is positioned for quick concept creation, social media visuals, blog assets, product imagery, and commercial-use workflows within its terms.
SeiSei AI's Features
No registration required
Free daily AI image generation
No watermark on generated images
Japanese prompt support
AI illustration and AI photo generation
Reference image upload up to 10 files
Image history management for logged-in users
High-quality model selection on login
SeiSei AI's Q&A
SeiSei AI's Pros and Cons
Pros
- No sign-up required to start generating
- Free daily trial makes it easy to test the service
- No watermark on output images
- Japanese prompts are supported
- Reference images and multiple use cases are supported
Cons
- Anonymous free use is limited to 3 images per day
- Higher-quality models require login and credits
- Credit requirements vary by model and are shown in the interface
- Commercial use depends on the terms of service and rights checks
- The service currently focuses on AI images, while AI video and AI music are only listed as coming soon or in development
SeiSei AI's Use Cases
- AI illustration generation
- Realistic AI photo creation
- SNS and blog visuals
- Advertising and campaign assets
- E-commerce product imagery
- Presentation and concept mockups
- Storyboard and avatar creation
- Game and worldbuilding concept art
SeiSei AI's Target Audience
- Bloggers
- SNS managers
- E-commerce operators
- Designers
- Freelancers
- Creators and illustrators
- Marketing teams
- People who want to try AI image generation without sign-up
SeiSei AI's Pricing
Anonymous users can try the basic model for free up to 3 images per day. Registration gives 5 credits once. Paid plans include Basic at ¥3,000/month for 300 credits, Pro at ¥6,000/month for 1,600 credits, and Max at ¥30,000/month for 9,200 credits. Yearly billing is also available with discounts.
SeiSei AI's Analytics
Website Overview
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