Announced in December 2025 by Studio, Inc., the Japanese company behind the no-code design tool “Studio,” Studio.Assistant is an AI-powered web production platform. You describe your requirements through a chat or a form, and it automates information architecture, wireframing, and design generation in a single flow. What is generated can be exported directly into the Studio no-code editor, so refinement and publishing happen in the same environment. The official site states an average production time of 20 minutes for a single page. As of August 2026, it is offered as a Beta release.
Key Features
- Hearing to Wireframe: Enter your requirements via natural-language chat or a form, and the AI proposes an optimal information architecture and generates a wireframe from it. Hearing content can be exported and imported as CSV, which also makes it a usable record of client discussions
- Section-level regeneration and adjustment: Wireframes can be added to or regenerated section by section rather than page by page. The text-to-image ratio is customizable, making it easy to iterate on page structure
- Design Generation: Design drafts are generated automatically according to your requirements. A set of design presets lets you pick a direction without crafting elaborate prompts from scratch
- Style Sync (batch tone and manner adjustment): Match an existing site or brand by replacing colors and fonts in bulk and adjusting spacing and sizes at once. This shortens the work of aligning tone on sites with brand guidelines
- Content preparation with Magic Rewrite: Copy can be rewritten automatically, including compressing or expanding it to a specified character count. Content can be exported as a CSV sheet
- Studio Export: Export what you generate directly into the Studio no-code editor. The product is designed around treating AI output as an editable prototype that people finish by hand
Pricing
Studio.Assistant has been announced as available on all Studio plans during the Beta period. In practice, then, the cost is the plan price of Studio itself.
| Plan | Monthly billing | Annual billing (per month) | What’s included |
|---|---|---|---|
| Free | ¥0 | ¥0 | 50 pages, 3 CMS models, 5GB storage |
| Mini | ¥1,290 | ¥590 | 2 pages + 404 page, 3 CMS models, 10GB storage |
| Personal | ¥1,720 | ¥1,190 | 150 pages, 5 CMS models, 10GB storage |
| Business | ¥5,460 | ¥3,980 | 300 pages, 10 CMS models, 100GB storage |
| Business Plus | ¥12,900 | ¥9,980 | 300 pages, 30 CMS models, unlimited API |
| Enterprise | Contact sales | Contact sales | Unlimited pages and CMS models, 99.9% SLA |
Pricing is as of August 2026. Terms may change once the Beta period ends. Check the official site for the latest pricing.
Pros & Cons
✅ Pros
- The upstream work from hearing through design lives in one tool, so there is no need to switch tools at every stage
- Because you export to Studio and finish by hand, the result is less likely to become an untouchable AI artifact
- Developed by a Japanese company, with both the UI and documentation available in Japanese
- During the Beta period it can be tried on every plan, including the free one
- Concrete post-generation adjustment features are provided, such as Style Sync and bulk color and font replacement
⚠️ Cons
- It is a Beta release, and accuracy, expressiveness, and coverage are still being updated continuously
- For now it targets single-page generation; multi-page structures are listed as planned support
- Finishing and publishing assume Studio, so it does not suit workflows that move output to another CMS or a custom implementation
- Because the work is tied to the Studio platform, switching costs should be factored in
Comparison with Similar Services
| Criteria | Studio.Assistant | Wix AI Site Builder | Framer | v0 (Vercel) |
|---|---|---|---|---|
| Provider | Studio, Inc. (Japan) | Wix (Israel) | Framer (Netherlands) | Vercel (US) |
| Main use | Requirements hearing to IA to design generation | Automatic generation of a whole site | AI-assisted web design and publishing | UI code generation from prompts |
| Output target | Export to the Studio editor | A site on Wix | A site on Framer | React code |
| Strongest stage | Planning and first drafts in the early phase | End-to-end from launch to publish | Design through publishing | First drafts of implementation |
| Japanese UI | Yes | Yes | Limited | Mostly English |
Who Is It For
- Production studios and freelancers who build many landing pages and small sites, and spend heavy time on hearing and wireframing
- Teams already building and operating sites on Studio who want the upstream work in the same environment
- In-house staff who want to build landing pages internally but find it hard to design the information architecture on their own
- Designers who want to prepare client drafts quickly and increase the number of proposals they can make
- Anyone looking for a web production AI that works end to end in Japanese
Summary
Studio.Assistant is a platform that draws a clear line: the AI handles the upstream work of listening, organizing, and shaping, while people finish the result inside Studio. Its aim differs from AI builders that spit out a finished site in one click; the emphasis is on producing an editable draft quickly. As of August 2026 it is a Beta limited to single pages, but since it can be tried on every plan during the Beta period, it is worth a look if you already use Studio or are considering it.