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SiteGPT packages a website-trained support chatbot as a hosted service, with message caps and limited public developer detail. Replacing it means deciding what matters more: a support inbox, agents that take actions, visual workflow design or a lower starting price. The alternatives below range from $19 to $150 per month at listed starting prices, with free plans on some products. Confirm API access, usage limits, data export and migration paths with each vendor before moving production traffic.
01Why people leave SiteGPT
Message caps can constrain growth
SiteGPT has message caps. A Reddit thread notes that chatbot products use usage or credit limits to control request-volume spikes; verify capacity for your traffic.
Limited developer detail
SiteGPT offers a hosted chatbot, but its public developer detail is limited. Confirm API access, SDKs, rate limits and deployment options before making it a core dependency.
Hosted service means a portability check
If you may switch vendors later, ask how to export content, conversation history and configuration, and whether your replacement can ingest them.
02The alternatives, ranked by fit
- Best for agent actions
BotpressBotpressBotpress is a hosted AI support platform for teams that need agents to act, not just answer. Its listed starting price is $150, with a free plan. That is a higher entry point than SiteGPT’s $39, so compare the cost against your workflow needs. Confirm API and SDK access, usage limits, data export and migration support before moving agents into production.
Trade-off: Higher listed starting price; deployment and developer details need confirmation.
6.8/10from
$150/mofree plan - Best for visual workflows
VoiceflowVoiceflowVoiceflow pairs visual agent design with a CLI, which gives developers a way to work alongside a design-led conversational workflow. It has a free plan, but a starting price is not listed. Before migrating, confirm what the CLI supports, whether the API fits your integration, and how pricing changes at your expected usage.
Trade-off: Pricing, deployment options and API requirements need vendor confirmation.
6.3/10from
Freefree plan - Best for shared inbox
ChatbaseChatbaseChatbase combines no-code agents with a shared inbox, making it a candidate if SiteGPT’s website chatbot is only one part of support operations. Its listed starting price is $32. A Reddit commenter reports a 10,000-message monthly limit on Chatbase’s Standard plan; verify current plan limits and integration and migration details before switching.
Trade-off: Confirm current message caps, integrations and migration options.
6.6/10from
$32/mo - Best for consolidated support
IntercomIntercomIntercom is a hosted helpdesk with native AI, suited to teams consolidating support across multiple channels. Its listed starting price is $19, but pricing depends on both seats and outcomes, so the entry price alone does not show your likely bill. Check how your existing help content and chatbot workflows would move, and confirm API needs with the vendor.
Trade-off: Seat- and outcome-based pricing makes real usage cost harder to infer.
6.6/10from
$19/mo - Best for grounded assistants
CustomGPTCustomGPTCustomGPT targets teams building content-grounded support assistants and offers no-code website deployment. Its listed starting price is $89, above SiteGPT’s $39. That may suit teams prioritizing a no-code path over a lower entry price, but assess developer access, usage pricing and export options before moving content or making it part of your support stack.
Trade-off: Higher starting price; scrutinize developer access and portability.
6.4/10from
$89/mo - Best for small ecommerce
TidioTidioTidio is aimed at small ecommerce support teams and combines no-code chat with sales automation. Its listed starting price is $24.17, with a free plan. That is a lower starting price than SiteGPT, but check usage limits and whether its listed integrations cover your stack. Confirm the API and data-export path before planning a migration.
Trade-off: Check usage limits and integration fit before committing.
6.1/10from
$24.17/mofree plan - Best for no-code support
ChatBotChatBotChatBot focuses on automating repetitive support questions and offers channels for chat-led sales. Its listed starting price is $19, below SiteGPT’s $39. It is a fit when no-code setup matters more than deep engineering control. Confirm API availability, rate limits, usage pricing and whether you can export your content and configuration before switching.
Trade-off: Published detail for deeper engineering work is limited.
6.6/10from
$19/mo
03Side by side
| Tool | Score | From | Free plan | Best for |
|---|---|---|---|---|
 SiteGPT SiteGPT (current) | 6.3 | $39/mo | No | Teams adding an FAQ chatbot |
| Botpress Botpress | 6.8 | $150/mo | Yes | Support teams automating multi-step tickets |
| Voiceflow Voiceflow | 6.3 | Free | Yes | CX teams refining service agents |
| Chatbase Chatbase | 6.6 | $32/mo | No | Teams launching support agents without code |
| Intercom Intercom | 6.6 | $19/mo | No | Teams consolidating support and AI |
| CustomGPT CustomGPT | 6.4 | $89/mo | No | Teams building content-grounded support assistants |
| Tidio Tidio | 6.1 | $24.17/mo | Yes | Small ecommerce support teams |
| ChatBot ChatBot | 6.6 | $19/mo | No | Teams automating repetitive support questions |
Questions people ask
Which SiteGPT alternative is cheapest?
Among these alternatives, ChatBot has the lowest listed starting price at $19. Intercom also starts at $19, but its pricing depends on seats and outcomes. These are starting prices, not a comparison of total cost at your expected message volume; check current plan limits and usage charges before choosing.
Is there an open-source SiteGPT alternative in this list?
The alternatives covered here are presented as hosted products or platforms; none is identified here as open-source or self-hosted. If an open-source licence or self-hosting is a requirement, confirm the vendor’s deployment model and licence before evaluating a migration.
What should developers check before migrating from SiteGPT?
Confirm API and SDK access, rate limits, message or usage caps, pricing at your expected traffic, and data export for content and conversations. Also test how the replacement handles your current help content and integrations. A Reddit thread raises request spikes as a practical concern for chatbot services.