Onyx Hosting Live In 5 Minutes

Deploy Onyx hosting and run a self-hosted AI chat workspace on your own domain. xCloud runs the pinned Onyx v4.9.0 lightweight edition with a private PostgreSQL database, generates the database password and auth secret, keeps accounts, chats and uploads on a persistent volume and publishes the UI and API over HTTPS. Your team gets a self-hosted AI assistant that works with the model provider key you bring.

Deploy your Onyx

No terminal
No technical skills needed
No lock-in, cancel anytime

What is Onyx?

Self-hosted Onyx is an AI chat workspace. Onyx's README describes it as a context layer for teams and AI agents that supports all major LLM providers, both self-hosted such as Ollama, LiteLLM and vLLM and proprietary such as Anthropic, OpenAI and Gemini, and offers custom agents. You connect the provider you prefer, then chat, build agents, group conversations into projects and upload files, as a self-run alternative to a hosted assistant like ChatGPT.

This template deploys Onyx's lightweight edition, v4.9.0, with the backend, web server and an nginx gateway pinned by immutable digest and a private PostgreSQL 15 database as the only data service. Connectors and document search are not included, and no model is bundled. The core is MIT licensed, and Enterprise code stays locked without a paid licence. The onyx_db volume persists accounts, chats and uploads.

From Sign-Up to Your First Chat In Just 3 Easy Steps

A self-hosted AI chat workspace normally means a web container, an API container, a database, generated secrets, a domain and a certificate before the first message. This is the same result without assembling any of it.

Step 01
Sign Up
Create your xCloud account and pick Onyx from the OneClick catalog. Choose your domain and target server — there are no extra fields to fill in.
Step 02
We Deploy It For You
One click. We bring up the official Onyx web and backend images, pinned by immutable digest, with a private PostgreSQL database kept off the public internet, mount the onyx_db and onyx_api_logs volumes, generate the database password and auth secret, and publish it over HTTPS on your domain. The first start runs database migrations, so allow a few minutes.
Step 03
Create The Admin And Add A Model
Open your HTTPS Onyx URL and register your account straight away — the first account becomes the administrator. Then open Admin Panel > Language Models, add your provider and API key, and start chatting.

Everything Onyx Does, On Your Own Server

This is Onyx's lightweight edition, running in full: chat, agents, projects and file uploads, with PostgreSQL as the only data service.

Chat With Your Own Provider
Add your own key in the admin panel for providers such as OpenAI, Anthropic, Gemini, Azure or Ollama. Nothing is configured at install time and chat does not work until a provider is added.
Agents
Build agents and explore them from the sidebar, so recurring tasks have a purpose-built assistant instead of a blank prompt.
Projects For Conversations
Organise related chats into projects so work on one topic stays together.
File Uploads In Chats
Upload files and use them in a conversation; uploaded files are stored in the database on the persistent volume.
First Account Is The Admin
The first account registered becomes the administrator, and Restrict Open Sign-Up in Admin Panel > Security & Hardening closes registration to everyone else.
Only PostgreSQL Behind It
There is no separate cache, vector database or worker to run. PostgreSQL also serves as the cache, session and file store, and has no public port.

Everything You Need To Run Your AI Workspace 24/7

Managed hosting for Onyx, so the parts that keep it online are not your problem.

Onyx v4.9.0 deployed instantly
Official images pinned by digest
Database password and auth secret generated
Private PostgreSQL, no public ports
Free SSL certificate
Server backups and snapshots
Server security updates included
30+ server locations
Unused balance refunded

What You Can Do With Onyx

Give a team a private AI chat
Run one chat workspace on your own domain, with accounts, chat history and settings kept on a server you control.
Switch model providers without switching tools
Add a provider and API key in the admin panel and change it later, instead of locking your conversations to one vendor's app.
Set up agents for repeated work
Create agents for jobs your team repeats, and keep related conversations together in projects.
Chat about your own files
Upload files into a conversation and ask questions about them, without a separate document-search stack to maintain.

Onyx Screenshots

Onyx's signed-in workspace with the sidebar showing New Session, Search Chats, Explore Agents and Projects, and the message box ready for a first chat

An Onyx conversation with a model reply, the recent chat listed in the sidebar and the chosen model shown beside the message box

Onyx vs Alternatives

ChatGPT: A hosted chat service from OpenAI; Onyx is self-hosted and, per its README, works with all major LLM providers, so you connect the one you choose with your own key.
Claude.ai: A hosted assistant from one provider; Onyx keeps accounts and chat history on your own server and can use other providers too, including self-hosted ones such as Ollama.
Open WebUI: Open WebUI (also written OpenWebUI) is another self-hosted chat interface with its own xCloud template. This Onyx template offers agents and projects in a single lightweight deployment, with PostgreSQL as its only data service.
LibreChat: Another self-hosted chat interface for multiple providers; this Onyx template runs agents and projects in one lightweight deployment.
AnythingLLM: A self-hosted workspace for chatting with documents; this Onyx edition focuses on chat, agents, projects and file uploads.

Simple Pricing. Everything Included.

Dedicated Cloud VPS sizes, pre-configured for Onyx hosting. Pick the one that fits, and resize any time.

Cloud VPS 6 GB

Cloud VPS 16 GB

More headroom if Onyx sits alongside other AI and automation tools.

$59.99per month

16 GB RAM
6 vCPU cores
200 GB NVMe SSD
30 TB
Unlimited

Get started

Every size is a dedicated Cloud VPS we provision, patch, monitor and restore. Billed monthly with no lock-in — delete the server and the unused balance comes back to your account. Onyx itself is MIT licensed by its maintainers, with Enterprise directories under a separate licence.

Docker hosting

Already Have a Server? Bring Your Own

Connect any VPS — DigitalOcean, Vultr, Linode, AWS, Hetzner or bare metal — and deploy Onyx on it through the same panel, for a per-server management fee instead of a Cloud VPS rental.

Free

Start your journey without cost.

$0forever

1 server
10 sites

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Starter

Professional

The same platform, discounted at 6–10 servers.

$4per server / month

6–10 servers
Unlimited sites
All features included
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Agency

The same platform, discounted at 11+ servers.

$3per server / month

11+ servers
Unlimited sites
All features included
Bring any VPS provider

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Priced per connected server, so your rate adjusts automatically as you add or remove servers. You pay your own provider for the server itself.

Self-managed hosting

Ready To Run Your Own Self-Hosted AI Assistant?

Onyx on xCloud runs on a dedicated Cloud VPS that we provision, patch, monitor and restore. Deploy faster. Own the server. Stay in control.

Fast Provisioning
Deploy faster using an xCloud Managed Server built with optimized stacks and high-speed SSDs.
Enterprise-grade security
Protect your infrastructure with a free SSL certificate and more advanced security features at no additional cost.
Intuitive Control Panel
From Server creation to application deployment, everything can be managed from our intuitive control panel.

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Frequently Asked Questions

Feel free to contact us with any questions or concerns you may have.

How much RAM does Onyx need?

The template's baseline asks for 2 CPU cores, 2048 MB of RAM and 16 GB of disk, and QA measured about 0.9 GB idle and 1.2 GB after a chat round-trip. The 6 GB tier sold here sits well above that baseline.

Is Onyx open source?

Partly. The core is MIT licensed, per the LICENSE at the v4.9.0 tag, while code in the ee directories is under the Onyx Enterprise License and stays locked without a paid licence. This install runs the Community Edition and none is needed.

What is the difference between Onyx Lite and the standard Onyx deployment?

This template is the lightweight edition: chat, agents, projects and file uploads, with PostgreSQL as the only data service. The standard deployment's connectors and agentic document search described in the README are not included, so do not expect to index company apps here.

Which LLM providers can I use with Onyx?

Onyx's README says it supports all major providers, self-hosted such as Ollama, LiteLLM and vLLM and proprietary such as Anthropic, OpenAI and Gemini. Add yours in Admin Panel > Language Models with your own API key; nothing is configured at install time.

Does Onyx include a language model?

No. The template bundles no model and no provider key, so chat does not work until you add a provider and its API key in the admin panel. Any usage charges come from that provider, not from xCloud, whose charge covers only the Cloud VPS.

Can I run Onyx with Docker?

Yes, and this is Onyx Docker hosting prepared for you: the template runs the onyxdotapp backend and web-server v4.9.0 images, an nginx gateway and PostgreSQL 15, all pinned by immutable digest, with the onyx_db volume and HTTPS on your domain.

Who becomes the admin of a new Onyx instance?

The first account registered on the site becomes the administrator, so create it right after install. Open sign-up stays on until you turn on Restrict Open Sign-Up under Admin Panel > Security & Hardening, otherwise anyone who can reach the site can register.

What should I back up on an Onyx server?

A backup is the onyx_db volume, which holds accounts, chats, settings and uploaded files, plus the generated values in the environment. Use a PostgreSQL dump or a volume copy while the stack is stopped, and test a restore before relying on it.

Backups in xCloud

How do I upgrade Onyx?

Nothing upgrades it for you: the template pins Onyx v4.9.0 by immutable digest. Back up first, read the upstream release notes, then lift the tag and digests as a set, or take a newer template version. Keep POSTGRES_PASSWORD and USER_AUTH_SECRET unchanged.

Is this Onyx cloud hosting?

It is your own Onyx on a dedicated Cloud VPS that xCloud provisions, not a shared hosted workspace. The PostgreSQL database, the volume and the administrator account belong to your install, and the UI and API are served over HTTPS on your domain.

Why does the first start take a few minutes?

The first start runs database migrations before the site answers, so give it a few minutes before opening the URL. After that, accounts, chats, settings and uploaded files persist on onyx_db; QA found a chat still present after restarting all containers.

Can I cancel anytime?

Yes. There is no lock-in — cancel any time. Hosting is billed monthly and charged for what you actually use, so when you delete the server the unused balance is refunded to your account, less up to 10% in payment-processing fees.