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What is DocsGPT?
DocsGPT is an open-source, self-hostable RAG (retrieval-augmented generation) platform for running a private AI assistant over an organisation's own documents. It is built by Arc53 and released under the MIT licence. You point it at your document collection, and it answers questions with citations back to the source text — the core appeal being that your documents and, if you choose, your model inference stay under your control.
What it actually does
- Cited answers over internal documents. Every answer is traced to its source, which matters when people need to verify a claim rather than trust a chatbot.
- Deployment choice as the central feature. The same platform runs in four modes: cloud (Arc53 multi-tenant), managed (a dedicated instance Arc53 operates), on-premises in your own data centre, and air-gapped with zero external network egress. A hybrid option pairs an on-premises platform with your own cloud LLM.
- Model flexibility. Setup offers a built-in public API, OpenAI, Anthropic, Google Gemini, OpenRouter, Groq, or any OpenAI-compatible server such as Ollama, vLLM or LM Studio — so a fully local inference stack is possible.
- Beyond chat. The platform covers knowledge, agents, workflows and governance, not just a single Q&A box.
Who it suits
The deployments named on the page point to a clear audience: regulated and public-sector organisations, and large enterprises with strict data-residency or egress rules. Examples include an internal knowledge assistant on government infrastructure with local inference, an assistant over internal technical documentation, and a multilingual EU-law research tool spanning millions of pages with answers in six EU languages. If your constraint is "the data cannot leave this network," that is the design brief.
How to choose a deployment mode
| Mode | Who operates it | Best when |
|---|---|---|
| Cloud | Arc53, multi-tenant | No residency constraints; fastest start |
| Managed | Arc53, dedicated instance | You want isolation without running infrastructure |
| On-premises | You, with Arc53 support | Strict data residency; hybrid with your cloud LLM |
| Air-gapped | You, with Arc53 support | Zero-egress mandate |
A practical next step
If you are evaluating it, start with the default local install: it runs on one machine first, then lets you widen access to your network or a domain with HTTPS. That gives you a working answer-with-citations loop over a small document set before you commit to an on-premises or air-gapped rollout. Decide your deployment mode by asking one question first: is external network egress permitted at all? If no, you are in air-gapped territory; if yes but residency is fixed, on-premises or hybrid is the natural fit.
How does DocsGPT keep company documents private and ensure answers are cited to their sources?
DocsGPT keeps documents private by letting you run the entire platform inside your own trust boundary, and it supports citations by linking each answer back to the source material it retrieved.
Privacy: deployment controls where data lives
- Cloud (multi-tenant): fastest to start, but data residency is not under your control.
- Managed dedicated instance: a private instance operated for you, still without you running the infrastructure.
- On-premises (your data centre): you host the platform; a hybrid option lets the platform stay on-premises while the LLM runs in your cloud.
- Air-gapped: zero external network egress, for strict mandates.
- The licence is MIT, so self-hosting the community edition is possible; this matters for regulated environments where code review and audit are required.
Citations: answers are grounded in retrieved passages The platform is built as a RAG system over your own documents, and the page states every answer is cited to its source. In practice this means an answer should be traceable to specific documents, which is what makes it usable in compliance, legal or technical support work rather than as a general chatbot.
How to decide
| Need | Better fit |
|---|---|
| Quick internal pilot, no residency constraints | Cloud |
| Private instance without operating it | Managed dedicated |
| Strict data residency, you control infrastructure | On-premises |
| No external network at all | Air-gapped |
A concrete scenario: a legal team researching EU law across millions of pages in several languages needs both multilingual retrieval and full source citations, which is exactly the combination described for LexEU. A government team with local inference requirements is the air-gapped or on-premises case.
Next step: run the one-command installer locally and point it at a small document set, then check whether the citations returned are precise enough for your review workflow before committing to a wider deployment. For comparison, other self-hosted RAG options include Danswer and Quivr.
What are the differences between Cloud, Managed, On-premises, and Air-gapped deployment options?
The main difference is where the platform runs and how much control you retain over data egress. DocsGPT offers the same platform and MIT licence across all four, so the choice is mostly about data residency, operational burden and network isolation — not features.
| Deployment | Where it runs | Who operates it | Data egress |
|---|---|---|---|
| Cloud | Arc53's multi-tenant environment at app.docsgpt.cloud | Arc53 | Data leaves your network |
| Managed | A dedicated instance, in your region, run by Arc53 | Arc53 | Data leaves your network, but isolated from other tenants |
| On-premises | Your own data centre | You, with Arc53 support | Stays inside your infrastructure; hybrid (your cloud LLM) is an option |
| Air-gapped | Your own environment | You, with Arc53 support | Zero external network |
Cloud suits teams with no residency constraints that want to start quickly. Managed is for organisations that need a private instance but don't want to run it themselves. On-premises is for strict data residency where the platform must sit in your data centre; the hybrid variant keeps the platform local while using a cloud LLM. Air-gapped is for zero-egress mandates, where no external network connection is permitted at all.
A practical decision rule: if you have no residency requirement, choose Cloud; if you need isolation without operations work, choose Managed; if the platform must live in your own data centre, choose On-premises; if nothing may leave the network, choose Air-gapped. Note that the last two shift operational responsibility to your team, so factor in the staff and infrastructure that requires.
Next step: list your residency and egress constraints first, then match them against the table above. Public-sector and regulated examples on the page — such as the UK Department for Work and Pensions running an internal assistant on government infrastructure with local inference, and LexEU's multilingual EU-law research — illustrate how the stricter options are used in practice. For the open-source community edition and self-hosting details, see DocsGPT.
How do you install and run DocsGPT, and which AI model providers does it support?
DocsGPT installs as a self-hosted service, and the quickest route is its one-command installer. Per the project's own page, the command is curl -fsSL https://docs.ac/install | bash on macOS/Linux or irm https://docs.ac/install.ps1 | iex on Windows; Docker is required. The installer then asks three things:
- Who should reach it — only this computer (default), other machines on your network over plain HTTP with an access token, or a domain name with HTTPS (Caddy certificate plus access token).
- Which model provider — the built-in DocsGPT public API (free, no key, and the default), OpenAI, Anthropic, Google Gemini, OpenRouter, Groq, or any OpenAI-compatible server such as Ollama, vLLM or LM Studio.
- It then starts the server, sets up the database on first run, and prints a local address along with
docsgpt status | logs | upgrade | down | uninstallfor management.
Practical reading: the local-only default is the sensible first install — you get a working assistant before deciding on network exposure or a paid model key. Choosing an OpenAI-compatible server is what makes a fully local or air-gapped setup possible, since inference stays on your own hardware; picking a hosted provider instead means your prompts and document excerpts leave your network, which matters if you have residency or egress rules. The page describes deployment options of cloud, managed, on-premises and air-gapped, all on the same MIT-licensed platform.
Next step: if you are evaluating rather than committing, run the installer with option 1 and the free default provider on a machine holding a small document set, confirm the cited answers are accurate enough, then re-run and widen access or switch providers.
For background, see DocsGPT and, if you want to compare a hosted alternative to self-hosting, DocsGPT Cloud.
Which organizations and industries use DocsGPT in regulated or public-sector environments?
DocsGPT is used in regulated and public-sector settings where document confidentiality and data residency matter. The site names several government and public-sector users, plus enterprise and research organisations.
Named users and deployments
- HM Government and the UK Department for Work and Pensions (DWP) — described as an internal knowledge assistant on government infrastructure with local inference.
- LexEU — multilingual EU-law research over 2.5M+ pages, answering in 6 EU languages with full source citations.
- AMD — an assistant over internal technical documentation.
- AstraZeneca — listed among organisations whose people use it, indicating a regulated pharma context.
- Also listed: Microsoft, Intel, Amazon, Airbnb, Siemens, Deloitte, PwC, Accenture, Payoneer, Stanford and MIT.
Industries implied Government/public sector, legal and regulatory research, healthcare and pharmaceuticals, technology and semiconductors, professional services and consulting, financial services, and academia.
Why these fit The platform is pitched as built for regulated environments, with cited answers, an MIT licence, and deployment options spanning cloud, managed, on-premises and air-gapped. That range is the practical trade-off: cloud and managed reduce operational burden but suit teams without strict residency constraints, while on-premises and air-gapped give stricter control at the cost of running the infrastructure yourself.
Next step If you work in a public body or regulated industry, check which deployment model matches your data rules — for example, a hybrid setup using your own cloud LLM, or fully air-gapped for zero external network — then review the pricing page at DocsGPT before requesting a demo.
How much does DocsGPT cost and what does the MIT-licensed community edition include?
DocsGPT's own site points to a pricing page rather than stating figures on the page summarised here, so treat any number you see as something to verify there: DocsGPT. What the page does make clear is the licensing and deployment split.
The MIT licence applies to the platform, not to every way of running it. The community edition is self-hosted under MIT, so you can run it on your own hardware at no licence cost. The hosted cloud app, the managed dedicated instance, on-premises with Arc53 support, and air-gapped deployments are commercial offerings — the same platform and licence, but you pay for hosting, isolation or support rather than for the software rights.
What the community edition covers, based on the page: private AI assistants, agents, enterprise search over your own documents, answers cited back to their sources, and a one-command Docker install that lets you pick a model provider — including a local OpenAI-compatible server such as Ollama, vLLM or LM Studio, or a hosted provider like OpenAI, Anthropic, Gemini, Groq or OpenRouter.
Choosing between the editions
| Your constraint | Sensible starting point |
|---|---|
| Evaluating, no residency rules | Cloud or a local install |
| Data must stay in your own data centre | On-premises self-host or managed instance |
| No outbound network at all | Air-gapped |
| Want the software free, will run it yourself | Community edition |
The real cost driver is rarely the licence. It is who operates the stack and which model answers the queries — a self-hosted setup shifts both onto your team and your GPUs, while a hosted model provider moves cost to per-token usage.
If you are weighing this up, install the community edition on one machine, point it at a small document set and a local model, and measure answer quality before deciding whether you need the managed or air-gapped route.
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