Shortlist by what you need
Start here if you know why you are leaving Knowbo.
Want the closest match?
ChatShapeMost similar to Knowbo in what it does, its category and its price.
Visit (opens ChatShape in a new tab)Need a free plan?
SiteGPTHas a free plan, rated 3.9 out of 5. Knowbo has none.
Visit (opens SiteGPT in a new tab)Want the lowest price?
Chat WhispererFrom $5/mo, the lowest starting price here.
Visit (opens Chat Whisperer in a new tab)Want the best rated?
CustomGPT.aiRated 4.1 out of 5 in our review, against 3.6 for Knowbo.
Visit (opens CustomGPT.ai in a new tab)
At a glance
Green means better than Knowbo, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 KnowboBaseline | 3.6 | Not listed | No | Creates a support chatbot trained on an existing website or knowledge base. | |
| ChatShape | 3.4−0.2 | Free | YesKnowbo has none | Point it at your website URL and it trains a support chatbot on the content, ready to embed. | vs Knowbo |
| SiteGPT | 3.9+0.3 | Free | YesKnowbo has none | Trains a support chatbot directly from a website's own content in minutes, no separate knowledge base needed | vs Knowbo |
 Ribbo | 3.7+0.1 | Free | YesKnowbo has none | Trains a support chatbot on your own docs and embeds it on your site. | vs Knowbo |
 LetsAsk.AI | 3.2−0.4 | $19/mo | No | ChatGPT-based chatbot builder that trains on your website or documents and embeds on your site, with a 7-day trial. | vs Knowbo |
| Chat Whisperer | 3.6Same | $5/mo | No | No-code AI chatbot builder for small businesses that trains on a website in minutes and replies in 100-plus languages. | vs Knowbo |
 WorkBot | 3.5−0.1 | Not listed | No | Chatbot, chat agent and voice agent from one platform, covering support, ecommerce and sales. | vs Knowbo |
| CustomGPT.ai | 4.1+0.5 | $99/mo | No | No-code platform for training a ChatGPT-style chatbot on a business's own documents, websites, and knowledge base. | vs Knowbo |
 Xmagic | 3.0−0.6 | Not listed | No | Design custom chatbots trained on your own knowledge base, test them in a live Playground, then monitor every conversation from one Dashboard. | vs Knowbo |
The alternatives in detail
In order of how closely each one matches Knowbo.
ChatShape
3.4Free
vs Knowbo−0.2Free plan
Point it at your website URL and it trains a support chatbot on the content, ready to embed.
- Chatbot trained from a website URL
- Embeddable widget for any site
- Customer support and lead generation
Website as training source removes the knowledge base barrier entirely
Inherits your site's gaps and stale pages with equal confidence
SiteGPT
3.9Free
vs Knowbo+0.3Free plan
Trains a support chatbot directly from a website's own content in minutes, no separate knowledge base needed.
- Trains automatically on a website's existing pages, help docs, and uploaded files
- No-code setup: point at a URL and get a working chatbot without manual knowledge-base building
- Embeddable widget deploys directly on the customer's own site
Skips the manual knowledge-base setup that slows down most chatbot builders
Message-volume pricing can climb for high-traffic sites
Ribbo
3.7Free
vs Knowbo+0.1Free plan
Trains a support chatbot on your own docs and embeds it on your site.
- Agent trained directly on your existing documentation
- Embeddable widget matching your own branding
- Answers grounded in your content rather than general knowledge
Uses documentation you already maintain
Answer accuracy is capped by documentation quality
LetsAsk.AI
3.2$19/mo
vs Knowbo−0.4
ChatGPT-based chatbot builder that trains on your website or documents and embeds on your site, with a 7-day trial.
- Chatbots trained on a website or uploaded documents
- Embeds on a website, or connects to Discord, Slack and Zapier
- Custom instructions for the bot's personality
Trains on a website or documents without code
The footer reads 2023 and the company is not named
Chat Whisperer
3.6$5/mo
vs KnowboSame
No-code AI chatbot builder for small businesses that trains on a website in minutes and replies in 100-plus languages.
- No-code chatbot training directly from an existing business website
- Responses across 100-plus languages
- Lead qualification and meeting-booking automation
Entry-level plan starts at $5/month, low-cost for a small business budget
No ongoing free plan, only a 7-day trial before billing starts
WorkBot
3.5Not listed
vs Knowbo−0.1
Chatbot, chat agent and voice agent from one platform, covering support, ecommerce and sales.
- AI chatbot answering from a knowledge base
- AI chat agent that executes actions
- Voice agent for phone channels
Distinguishes answering from acting, which decides deployment success
Verify what the agent can execute in your systems, not what it describes
CustomGPT.ai
4.1$99/mo
vs Knowbo+0.5
No-code platform for training a ChatGPT-style chatbot on a business's own documents, websites, and knowledge base.
- Retrieval-augmented answers scoped to ingested business content
- No-code ingestion from websites, help desks, PDFs, and documents
- AI Vision and image citations alongside text-based answers
RAG-first architecture keeps answers grounded in a business's own content
No permanent free plan, only a 7-day trial
Xmagic
3.0Not listed
vs Knowbo−0.6
Design custom chatbots trained on your own knowledge base, test them in a live Playground, then monitor every conversation from one Dashboard.
- Design custom chatbots trained on your own knowledge base, no coding required
- Playground for real-time testing of chatbot responses before deployment
- Dashboard for monitoring, managing, and analyzing AI agent interactions
No-code chatbot builder lowers the barrier for non-technical teams
Currently gated behind a beta access request, not fully open
FAQ
Questions people ask
Is Knowbo free?
Knowbo does not list a free plan. Check its pricing page for current plans.
What is the best free alternative to Knowbo?
SiteGPT is the highest-rated alternative here with a free plan (3.9 out of 5). Other free options: Ribbo, ChatShape.
What is the cheapest alternative to Knowbo?
Among paid plans, Chat Whisperer has the lowest starting price (from $5/mo). If you need it free, start with SiteGPT.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.