v0 is Vercel's AI agent that generates full-stack React/Next.js apps for the Vercel ecosystem; Pubner is an AI-driven CMS that ships the client site, the admin panel, and the content workflow in one stack, then keeps it running with Content autopilot, an AI chat for visitors, and a Telegram assistant. v0 does export code — the real gap is everything after the code: a client admin, content management, running twenty client sites without twenty repos, and a site that doesn't go quiet the day you stop touching it.
What is v0?
v0 is Vercel's AI building platform. In 2026 it's no longer a UI generator — it's agentic full-stack: plans the app, wires the database, deploys, with design systems and an iOS app. The output is React/Next.js, at home in the Vercel ecosystem. Pricing is team-packaged: Team $30/user/month, Business $100/user/month — the ~$20 solo plan has quietly disappeared. What v0 doesn't give you: a CMS or admin panel for a non-technical client, or an agency layer for managing many sites.
What is Pubner?
Pubner helps makers create and publish business sites, then keep them updated without constant manual work. You control what appears on the site. Content autopilot prepares content drafts for approval, new inquiries arrive in Telegram, and visitor AI chat can answer using the site's content. Solo is $19/month or $190/year for 1 site; Studio is $49/month or $490/year for up to 5 sites. Full Export provides editable Twig themes and content as portable JSON, not the Pubner backend runtime.
v0 vs Pubner: side by side
| v0 | Pubner | |
|---|---|---|
| AI | ✅ agentic full-stack generation | ✅ Content autopilot + AI chat + Telegram assistant + conversational builder |
| Runs itself after launch | ❌ nothing runs once you stop touching it | ✅ Content autopilot (scheduled drafts), AI chat (24/7, autonomous) |
| Owner notifications | ❌ none built in | ✅ Telegram assistant — inquiries in real time, weekly pulse digest |
| Code export | ✅ React/Next.js | ✅ Full Export — Twig themes + portable JSON; backend runtime not included |
| Runs best on | Vercel ecosystem | Pubner's managed hosting |
| Admin panel for the client | ❌ build it yourself | ✅ built in |
| Content management | ❌ code-level | ✅ CMS: records, categories, drafts |
| Many client sites | 🟡 one project at a time | ✅ Hub, isolated tenants, RBAC |
| Pricing + AI | Team $30/user/mo (solo plan gone) | Solo $19/mo or $190/yr (1 site) / Studio $49/mo or $490/yr (5 sites); AI included, no top-ups |
| Stack | React/Next.js | Twig |
When v0 is the better choice
v0 wins when you're building a product, not a client website. React/Next.js teams prototyping app UIs, building on design systems, deploying to Vercel — that's v0's home field, and Pubner doesn't play on it. If your stack is React and your deliverable is an application, use v0.
When generated code isn't the finish line
For client work, the code is maybe half the job. The other half: the client updates their own news page without calling you, a junior edits content without touching production, the site keeps posting and answering questions when nobody's logged in, and you oversee fifteen such sites from one place. v0 generates and deploys — then hands the last mile back to you, and the site sits exactly as deployed until someone edits it again. Pubner starts where v0 stops: admin panel, content workflow, Hub, RBAC, plus Content autopilot, an AI chat for visitors, and a Telegram assistant working over the client's actual data. And if you leave, Full Export hands you your Twig themes and content as portable JSON. Pubner's backend runtime is not included, so moving away requires a compatible runtime or a migration.