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Sublex Chat is an AI customer support assistant for your website. It reads your own site, your documents and your price lists, and answers customers from those and nothing else. When it does not know, it says so plainly and captures the enquiry.

ChatBot
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AI chatbot for your website, trained on webpages or uploaded files.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | sublexchat.com | chatbit.co |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Gambia · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Sublex Chat is an AI customer support assistant and chatbot for your website that answers only from your own material. You give it your web address and it reads your site. You can add documents, price lists and question-and-answer pairs on top. You test it privately, asking the questions your...
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As answered by people managing Sublex Chat and Chatbit.
Sublex Chat's answer
Sublex Chat answers only from material the business gave it: its website, its documents, its price list. It has no other source to draw on, so it cannot produce a confident sentence about a price, an opening time or a policy that nobody ever set.
When the answer is not in that material it says so plainly and offers to take the customer's name and number, so the enquiry reaches the business instead of being lost. That question then appears on one screen listing everything the assistant could not answer, in the customer's own words, ordered by how often it came up. Answer it once and it stops being a gap. Over a few weeks that screen becomes a list of what the website itself is missing.
Setting it up is a web address and one line of code. There is nothing to train, no conversation flow to draw and no scripts to write.
Sublex Chat's answer
Three things worth checking, against anything on the shortlist.
What happens when it does not know. Sublex Chat says so and takes the customer's details, rather than producing something that merely sounds right. For a clinic or a hotel quoting a price, a wrong answer costs more than no answer.
What the bill is actually made of. Billing is by conversation, meaning one visitor's whole sitting rather than one message, and it is only counted when the assistant answered something. The AI is included at no extra charge, so there are no credits to run out of mid-sentence and no fee per answer. The whole team works the inbox with no charge per person.
What it takes to get running. A web address, a document or two, and one line of code that goes where Google Analytics goes. About fifteen minutes, with no developer.
All of that is testable on the free plan, with no card at any point, which is a better comparison than any feature table.
Sublex Chat's answer
Small businesses that answer the same handful of questions all day and have nobody whose actual job it is to answer them. Hotels and guesthouses, clinics and dental practices, schools, restaurants, garages, shops, trades and agencies.
Typically one to twenty people, with a website that already holds the answers spread across five pages, and enquiries arriving after closing time that get read the following morning.
It is built for a business without a support department, not for a contact centre. There are two ways it is sold: self-serve subscriptions internationally, and an installed, managed service locally in The Gambia, where the team is based.
Sublex Chat's answer
Sublex Chat was built by Sublex Digital, a web design agency in The Gambia.
The agency kept meeting the same thing in its clients. A perfectly good website that answered the question on page four, and a customer who asked it anyway at eleven at night and got nobody. The answer existed. The customer simply never found it, and by morning they had gone somewhere else.
The obvious fix was a chatbot, and the obvious fix solved half the problem. It replied at eleven at night, and some of what it replied was invented. For a clinic quoting a price or a hotel quoting availability, an invented answer costs more than silence does.
So the constraint came first and the product was built around it. An assistant that can only answer from what the business actually gave it. One that says so when the answer is not there. One that hands back every question it could not answer, so the business can fix its own material instead of guessing at what people are asking.
Sublex Chat's answer
Next.js and TypeScript, with Tailwind on the dashboard.
Postgres with pgvector for storage and retrieval, through Supabase. Separation between businesses is enforced by row level security in the database itself rather than by application code, so a query cannot reach another organisation's rows even if the code above it is wrong.
The chat widget is vanilla TypeScript in a Shadow DOM, built with esbuild. It carries no framework onto the customer's website and cannot collide with their styles, and the loader is under 5KB.
Model access goes through one internal module, so the answering model can change without the product changing.
Hosted on Vercel.
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