Chatbase and SiteGPT are both easy AI chatbots that train on your content, and they compete closely. Chatbase leans toward a clean single-bot builder; SiteGPT toward simple support with broad source ingestion. If you want agents that also take actions, AIML.chat is the stronger third option. Here's the honest comparison.
Head to head
| Tool | Best for | Starting price | Agent mode | MCP tools |
|---|---|---|---|---|
| Chatbase | Single RAG bot | $40/mo | No | No |
| SiteGPT | Simple support bot | $49/mo | No | No |
| AIML.chat | Agent team + MCP | Free → $19/mo | Yes | Yes |
Chatbase
Chatbase is fast and familiar, with a tidy builder for a single retrieval bot. It's a good fit when you want one chatbot on your site and don't need an agent team or tool actions. Pricing starts around $40/month.
SiteGPT
SiteGPT is friendly for non-technical users and trains on websites, sitemaps, files, and connected sources, with auto-sync on higher tiers. It's a solid pick for a simple support bot, with plans starting around $49/month.
A stronger third option: AIML.chat
Both Chatbase and SiteGPT stop at answering. AIML.chat keeps grounded, cited answers and adds a team of agents — Support, Sales, and Technical — that route and hand off, call tools through the Model Context Protocol (MCP), and pause for human approval before any write. It starts on a real free tier (100 messages a month), with auto-recrawl, GitHub ingestion, an open-source widget under 30KB gzipped, and a one-line WordPress plugin. See our Chatbase alternative and SiteGPT alternative for the deeper breakdowns.
Which should you choose
Want the cleanest single bot? Chatbase. Want a simple support bot with broad ingestion? SiteGPT. Want agents that answer and act, with MCP tools, human approval, and a free tier? AIML.chat. Try all three first.
Is Chatbase or SiteGPT cheaper?+
Chatbase starts around $40/month and SiteGPT around $49/month; AIML.chat starts free and Pro is $19/month. See pricing.
Which is easier to set up?+
Both are quick. AIML.chat is just as fast — index a URL or GitHub repo and embed one script tag — and adds agents and tools.
Can any of them take actions?+
Chatbase and SiteGPT answer only; AIML.chat can act via MCP, with human approval before any write.