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SiteGPT is positioned for website FAQs, documentation bots and lead capture, with a listed starting price of $39. That may work if your chat volume is predictable, but the listing flags message caps as something to check. For a direct website-bot replacement, compare Chatbase, ChatBot and CustomGPT. If you need a shared support inbox, social messaging or more control over agent behavior, other tools on this list fit better—but their pricing and limits differ.
01Why people leave SiteGPT
Message caps can constrain growth
The SiteGPT listing says to check message caps. A Reddit discussion also flags usage-based pricing and volume spikes as risks across chatbot tools.
You may need a support inbox
A Reddit commenter recommends using a support mailbox such as Crisp or HubSpot alongside AI. Intercom is a listed alternative that combines helpdesk and AI.
Your channels may have changed
SiteGPT is positioned around website Q&A. If leads now come through social DMs or several channels, ManyChat, Chatfuel or other listed tools may fit better.
02The alternatives, ranked by fit
- Best direct alternative
ChatbaseChatbaseChatbase is the closest listed match if you want a website support agent with multiple deployment channels and a shared AI-human inbox. It starts at $32, below SiteGPT’s listed $39 starting price. The listing warns that credit limits, total cost and support expectations need checking, so compare your expected volume before moving.
Trade-off: Credit limits and total costs need scrutiny; the pricing page gives no cap figure.
6.8/10from
$32/mo - Best for cited answers
CustomGPTCustomGPTChoose CustomGPT if answers grounded in business content and source citations matter more than a lower starting price. It starts at $89 and is positioned for no-code deployments and organizations needing citations. That is a substantial step up from SiteGPT’s $39 starting price, and the listing says its base query allowance is tight for the price.
Trade-off: Higher starting price, with a tight base query allowance.
6.7/10from
$89/mo - Best for web chat
ChatBotChatBotChatBot suits teams adding AI to website chat who also want human handoff or coverage across chat channels. Its listed starting price is $19. Check the plan details: the pricing page says Essential includes only 10 monthly AI resolutions, a narrow allowance if you expect regular support use.
Trade-off: Essential includes just 10 monthly AI resolutions.
6.5/10from
$19/mo - Best for small stores
TidioTidioTidio is a better fit if you run a small ecommerce team and want live chat, basic sales and support automation, and tickets together. The listing shows a free plan and paid pricing from $24.17. Before switching, check conversation limits and paid AI allowances; the published information does not give their exact amounts.
Trade-off: Conversation limits and paid AI allowances need checking.
6.8/10from
$24.17/mofree plan - Best for shared support
IntercomIntercomIntercom makes more sense when you want a helpdesk and AI in one setup, rather than a website Q&A bot alone. It starts at $19 and is positioned for shared AI and human workflows. The listing warns that per-seat and per-outcome charges can add up, so compare those costs with your team size and resolution volume.
Trade-off: Per-seat and per-outcome charges can raise the bill.
7.3/10from
$19/mo - Best for support automation
BotpressBotpressBotpress fits teams automating multi-step support work while keeping an existing helpdesk, as well as teams looking for a standalone helpdesk. It has a free plan and is listed from $150. The pricing page flags annual pricing and conversation limits as factors to check against your workload before committing.
Trade-off: Listed from $150; check annual pricing and conversation limits.
7.1/10from
$150/mofree plan - Best for custom logic
VoiceflowVoiceflowVoiceflow is worth considering if your team needs custom logic, integrations and room to iterate on agent behavior across channels. It has a free plan and is listed from $60. Unlike a straightforward website FAQ bot, its metered costs need scrutiny before you commit; the published information does not state a usage rate.
Trade-off: Metered costs are not specified on the vendor's site.
6.5/10from
$60/mofree plan
03Side by side
| Tool | Score | From | Free plan | Best for |
|---|---|---|---|---|
 SiteGPT SiteGPT (current) | 6.4 | $39/mo | No | Website FAQ and documentation bots |
| Chatbase Chatbase | 6.8 | $32/mo | No | Teams building a first support agent |
| CustomGPT CustomGPT | 6.7 | $89/mo | No | Teams grounding answers in business content |
| ChatBot ChatBot | 6.5 | $19/mo | No | Teams adding AI to website chat |
| Tidio Tidio | 6.8 | $24.17/mo | Yes | Small ecommerce teams starting with live chat |
| Intercom Intercom | 7.3 | $19/mo | No | Teams replacing separate helpdesk and AI tools |
| Botpress Botpress | 7.1 | $150/mo | Yes | Teams automating multi-step support work |
| Voiceflow Voiceflow | 6.5 | $60/mo | Yes | Teams building support agents across channels |
Questions people ask
What is the best alternative to SiteGPT?
For a close website-support replacement, Chatbase is the strongest fit in this list: it starts at $32 and is positioned for support agents, multiple channels and a shared AI-human inbox. If citations matter more, consider CustomGPT; if you need a helpdesk, compare Intercom. Check each tool’s usage limits before switching.
How much does SiteGPT cost?
The published SiteGPT listing says pricing starts at $39. It does not give a message-cap number, so we cannot compare the included volume directly. The alternatives listed here start at $19 for Intercom and ChatBot, while CustomGPT starts at $89; plan limits and extra charges vary.
Does SiteGPT have message limits?
The pricing page warns buyers to check SiteGPT’s message caps, but it does not publish a specific number. A Reddit discussion about chatbot tools also raises usage-based pricing and request spikes as general concerns; it does not establish a particular SiteGPT limit. Ask for the cap and overage terms before moving your support traffic.