CustomGPT.ai Guide: Build an AI Chatbot on Your Content

CustomGPT.ai lets you build an AI chatbot that answers questions from your own content, such as your website, help articles, documents and videos, instead of the open internet. Every answer cites its sources, and you can put the bot on your website, in Slack, or behind your own app. For a small business, that means 24/7 answers to customer questions and a searchable “brain” for your team, without hiring developers. This guide helps you decide whether it fits, plan your content, choose a plan and launch safely.

Your content in

Crawl your website or sitemap, upload PDFs and Office files, or connect Google Drive, Notion, Zendesk, HubSpot, YouTube and more.

Cited answers

Answers are grounded in your content and link to the source, so customers and staff can check them.

Deploy anywhere

A chat widget for your site, Slack, or an API for your own apps and workflows.

Business-grade security

SOC 2 Type 2 and GDPR compliance, encryption, and a stated policy of not training on your data.

Is a custom AI chatbot right for you?

Readiness check

We answer the same questions over and over, by email, phone, chat or internally. The answers already exist in writing: website pages, FAQs, manuals, policies or help articles. That content is reasonably current, or we’re willing to clean it up first. Someone can own the bot: review conversations weekly and update content. We know what success looks like, such as fewer tickets, faster replies or more leads.

Tick what’s true for your business.

What could it do for your business?

Use-case explorer

Which plan do you need?

Plan estimator

Questions per month (all bots)

Number of chatbots

Largest bot: documents or pages

We need to remove the “Powered by CustomGPT.ai” branding We need automatic removal of personal information (PII) Our content lives in SharePoint We need single sign-on, private deployment or a data processing agreement

Based on CustomGPT.ai’s published plans as of October 2026: Standard about $99/month (10 bots, 1,000 questions, 5,000 documents per bot), Premium about $499/month (25 bots, 5,000 questions, 20,000 documents per bot), and Enterprise by quote. Annual billing is cheaper. Plans change, so confirm on the CustomGPT.ai pricing page.

Will it pay for itself?

Savings estimator

Questions your team answers per month

Share the bot could answer (%)

Minutes per answer today

Loaded hourly cost ($)

Monthly plan cost ($)

0hours saved / month

$0value of time saved

$0net after plan cost

Be conservative. Many businesses see 20–50% of routine questions handled once the content is good. Start low and adjust after a month of real data.

Launch checklist

Before you go live

Removed outdated pages and anything confidential from the content we loaded. Tested the bot with 25 real questions from customers or staff, including tricky ones. Set its persona and tone, and told it to say “I don’t know” rather than guess. Added a clear handoff to a person (phone, form or email). Turned on source citations so people can check answers. Added a short note that answers are AI-generated. Scheduled a weekly review of conversations and content updates.

Tick each step as you complete it.

A public bot can share anything you give it.If a chatbot is on your public website, assume anyone can get it to repeat what’s in its knowledge base. Only load content you’d be comfortable publishing. Keep internal bots separate and private, and check your AI acceptable use policy before connecting company drives.

Frequently asked questions

How is this different from ChatGPT?

ChatGPT answers from general knowledge. A CustomGPT.ai bot answers from the content you give it and cites the source, which makes it better for customer-facing answers about your business. It’s also built to deploy on your website and connect to your business tools.

Does it make things up?

It’s designed to stay within your content, and citations make answers easy to check. No AI is perfect, though. Test with real questions, tell the bot to admit when it doesn’t know, and review conversations regularly.

Is there a free trial?

Yes. CustomGPT.ai offers a 7-day free trial on its Standard and Premium plans. It requires a card and converts to a paid plan unless you cancel, so set a reminder.

Do we need a developer?

No. Loading content, customizing the bot and adding the website widget are all no-code. A developer is only needed if you want to use the API in your own software.

Get started

Build your first bot

Start with your best content and a 7-day trial. For a broader look at the options, see our buyer’s guide to AI customer service chatbots.

Try CustomGPT.ai

Disclosure: Outshined.io may earn a commission if you sign up through links on this page, at no extra cost to you. It doesn’t change what we recommend.