Chatvia vs Dify: the agent, not the canvas#

Dify and Chatvia both run on your own server with any model, and that is about where the likeness ends. Dify is a canvas for building many kinds of AI apps. Chatvia is the finished chat agent I built so that nobody has to draw one. This is my take on where each fits.

My short answer#

Pick Chatvia if what you want is AI chat agents for your customers and your team, with channels, handoff and guardrails working on day one.

Pick Dify if you want a visual canvas to build many kinds of AI apps and workflows, and chat agents are only one part of the picture.

Dify in a paragraph#

Dify is an AI app builder. You drag steps onto a canvas and wire them into chatbots, workflows and other AI apps. Hosting it yourself is free. Dify's cloud starts at about $59 a month.

The code is public under Apache 2.0, with extra terms on top. You may not run Dify as a multi-tenant service without a commercial license, and Dify counts a workspace as a tenant. You also may not remove or change the Dify logo in its web app without permission.

Chatvia in a paragraph#

Chatvia is a free, self-hosted platform for AI chat agents. One command installs it on your server. Your agents answer from your files, websites and Q&A, and the same agent works on your website, in Slack, Teams, WhatsApp and more.

You get the full source code. Without a key you have one workspace, with unlimited agents, teams and replies. Every feature works except the API, voice, Live Chat, capabilities and forms, and four Enterprise security features.

Where I would call it even#

On the basics, Dify is as good as Chatvia. Both run on your own server. Both let you pay your AI provider directly. Both let you pick any model, including one you run yourself.

So the choice is about what you are building, and how much of it you want to build.

Workspaces and the license#

Both licenses have rules. Chatvia's are simpler.

Dify's license treats each workspace as a tenant. Running a multi-tenant setup needs written permission from Dify, which in practice means a commercial license. Taking the Dify logo out needs their permission too.

With Chatvia, a workspace is a product feature, not a license question. Each one has its own agents, knowledge, people and settings, and nothing crosses between them. You start with one, and a Pro key adds more for your own company. You can also install Chatvia on a customer's own server.

Chatvia asks for a key in two cases only, both with a public price. A Pro license key adds more workspaces, the API, capabilities and forms and hides the "Powered by Chatvia" line, for $199 a year. And if you want to sell Chatvia to other companies as a hosted service, you need a SaaS key.

Blocks or an agent#

Dify gives you building blocks. To make a support agent you design the flow, wire the knowledge in, and add whatever checks you need. That is real work, and it stays yours to maintain.

Chatvia gives you the agent. You write a persona, pick a model, add your files, website and Q&A, and try it in the playground. Hybrid search, reranking and source citations are already in there. There is no flow to draw.

Channels#

Dify gives you a web app, an embed and an API. For messaging apps you add plugins.

In Chatvia they come built in: a chat widget, a hosted chat page, voice chats, Slack, Microsoft Teams, WhatsApp, Messenger, Instagram, Telegram, a command bar and a REST API. One agent, the same answers in every place.

When a person needs to step in#

Dify has no live chat inbox, so nobody on your team can step into a chat.

In Chatvia, your team can take over a widget chat live from the dashboard. An agent can also show a form in the middle of a chat, and every answer is stored as a lead. Analytics show messages, visitors and trends, and every conversation is sorted by topic, mood and tone. Evaluations score your agent on test questions, so you can prove a change made it better.

Guardrails and tools#

Dify has content moderation. Anything beyond that, you build into a workflow yourself.

Chatvia's guardrails are ready to switch on. They catch prompt injection, mask personal data like card numbers, keep the agent on topic, and stop abusive language. A monitor mode shows what they would block before you turn them on.

Both support tools and MCP. Chatvia adds 24 ready-made connectors, and for each tool you decide: it runs, it waits for a person's OK, or it never runs. Every call is logged.

When I would pick Dify#

I would point you to Dify if:

• you want to build many kinds of AI apps, not mainly chat agents,
• you like designing each step on a visual canvas, and
• you need only one workspace, or you are ready to buy a commercial license.

Verdict#

Dify is a flexible toolkit, and you pay for that in build time and license limits. Chatvia does one job, AI chat agents, and does it out of the box: channels, handoff, leads, guardrails and tool approvals, without wiring a single flow. And more workspaces for your own company are one key away, at a price you can read.

If that sounds like what you need, install Chatvia on a server of yours. It takes a few minutes.

Prices and license terms are from Dify's pages and public reviews in October 2026. They change often, so check them before you choose.