Chatbase vs SiteGPT vs PageGPT (2026): Which AI Chatbot Builder Should You Use?

Building an AI chatbot trained on your own content has never been easier — but picking the right tool can save you hundreds of dollars a year and hours of frustration. This guide breaks down Chatbase vs SiteGPT and introduces PageGPT as the alternative that consistently wins on price, flexibility, and features.

We'll compare all three across the dimensions that actually matter for real businesses.

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Overview

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Pricing Comparison

Pricing is often where the decision gets made.

Chatbase Pricing

Chatbase offers a very limited free tier (50 messages/month, agent deleted after 14 days of inactivity). Paid plans start at $32/month (Hobby) for only 500 message credits. To get 4,000 messages you need the Standard plan at $120/month. Removing Chatbase branding costs an additional $1,188/year on top of any plan.

SiteGPT Pricing

SiteGPT has no free tier. The Starter plan is $39/month for 1 chatbot, 4,000 messages, and 1,000 pages. Removing SiteGPT branding requires a +$39/month add-on, bringing the true entry cost to $78/month. That's roughly 4× the price of PageGPT Starter for the same features.

PageGPT Pricing

PageGPT has three tiers:

• Free — $0/month. 1 chatbot, 100 messages/month, 30 pages. No credit card required.
• Starter — $19.99/month. 10 chatbots, 2,000 messages/month, 1,000 pages, no branding, custom colors & icon, file uploads.
• Pro — $49.99/month. 30 chatbots, 10,000 messages/month, 5,000 pages, full analytics, auto resync, priority support.

PageGPT is the only tool in this comparison with a truly free plan and the only one giving you 10 chatbots at the $20/month tier.

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Feature Comparison: The Details

Website Crawling

All three tools crawl websites — but the experience differs.

• Chatbase — Supports URL and sitemap input. Works well but page limits are lower on entry tiers.
• SiteGPT — Built specifically for website training. Generally reliable, but you're paying a premium for it.
• PageGPT — Crawls your full website following internal links, supports sitemap URLs, and indexes up to 1,000 pages on the Starter plan and 5,000 on Pro. Works fast and reliably.

Data Sources

• Chatbase — Website URLs, PDFs, plain text, Q&A pairs.
• SiteGPT — Primarily website content. PDF support varies by plan.
• PageGPT — Website crawling, PDF upload, TXT upload, and custom text pasting. All three types work together in the same chatbot.

Embed Experience

All three tools give you an embeddable chat widget. PageGPT's is the simplest:

<script src="https://pagegpt.tech/widget.js" data-chatbot-id="YOUR_ID" defer></script>

One line. No iFrame configuration, no script management, no developer required. Copy, paste, live.

Branding Removal

• Chatbase — Requires upgrading past the base paid plan to remove branding.
• SiteGPT — Included on higher plans.
• PageGPT — Included on every paid plan starting at $19.99/month (Starter).

Analytics

• Chatbase — Basic conversation logs.
• SiteGPT — Limited analytics on entry plans.
• PageGPT — Full conversation tracking, message volume analytics, and most-asked-question reporting built into the dashboard. No add-ons required.

Customization

• Chatbase — Color, icon, welcome message. More options on higher tiers.
• SiteGPT — Reasonable customization.
• PageGPT — Custom color, custom icon, welcome message, suggested questions, domain restrictions, and rate limiting — all available from the Starter plan.

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Performance: Answer Quality

All three tools use RAG (Retrieval-Augmented Generation) — they index your content as embeddings and retrieve relevant chunks when answering questions. The quality of answers depends more on how well you've trained the chatbot than on which platform you use.

PageGPT uses best-in-class embedding models for indexing and streams responses token by token — so visitors see answers appearing in real time rather than waiting for a full response to load. The result is a noticeably faster, more natural conversation experience.

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Security & Isolation

PageGPT includes several security features that Chatbase and SiteGPT charge extra for or don't offer at all:

• Domain restrictions — Your chatbot only responds on domains you authorize
• Rate limiting — Prevents abuse and runaway message costs
• CSP isolation — The widget iframe is sandboxed with Content Security Policy headers

These are configured in your dashboard — no custom code needed.

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The Verdict: Chatbase vs SiteGPT vs PageGPT

Choose Chatbase if:

You need a very specific integration (Zapier, Slack, etc.) that PageGPT doesn't offer yet, and you're okay with paying more per chatbot as you scale.

Choose SiteGPT if:

Your entire use case is website-only content, you have a large budget, and the $49+/month entry price isn't a concern.

Choose PageGPT if:

• You want more chatbots at every price tier
• You want a free plan to test before paying
• You want to pay ~50% less than SiteGPT for the same core features
• You want branding removal without paying a premium
• You want full analytics without upgrading to an enterprise tier
• You need to manage multiple chatbots across different websites or clients

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Real-World Scenario: An Agency Managing 8 Client Websites

Suppose you run a small digital agency and need chatbots on 8 client websites.

• Chatbase — Standard plan ($120/month) for 4,000 messages. At scale with branding removal ($1,188/year add-on), budget climbs to $220+/month.
• SiteGPT — $39/month per plan covers only 1 chatbot. 8 chatbots would require multiple accounts or the Growth plan ($79/month for 2 bots). Budget: $150–$316/month.
• PageGPT — The $49.99/month Pro plan gives you 30 chatbots. All 8 clients covered, with room for 22 more. Budget: $49.99/month.

That's a $100/month saving for the same number of chatbots — $1,200/year back in your pocket.

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Summary Table

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Try PageGPT Free Today

No credit card. No sales call. No commitment. Create your first AI chatbot, train it on your website, and embed it in under 5 minutes.

Get started free at pagegpt.tech →

If you're currently on Chatbase or SiteGPT and want to migrate, check out our guides:

• How to migrate from Chatbase to PageGPT
• How to migrate from SiteGPT to PageGPT