AI SUPPORTSOFTWAREBrowse 30 tools 
Side-by-side comparison
Compare audience fit, channels, integrations, knowledge sources, public pricing information, and operational considerations.
Both products appear in knowledge-base chatbots and agent builders. That overlap gives you a starting point; it does not mean the products cover the same channels, workflows, or deployment model.
No-code RAG platform for deploying branded AI agents trained on business content.
Businesses needing multiple content-trained agents for customer or employee questions.
Explore its buying criteria: Knowledge-base chatbots · Agent builders.
Full CustomGPT.ai profile and vendor sources · Checked 2026-09-02
Website-trained AI support chatbot that answers visitors using a company's pages and uploaded content.
Small businesses and agencies wanting a quick website chatbot without building a helpdesk.
Explore its buying criteria: Knowledge-base chatbots · Agent builders.
Full SiteGPT profile and vendor sources · Checked 2026-09-02
The table below preserves each vendor’s scope and qualifiers. An unlisted feature is unverified here; it is not a claim that the feature is unavailable.
Before you decide
CustomGPT.ai: Subscription with query, agent, document, word-storage and team-member limits. Standard allows 3 members and 5,000 documents per agent; Premium allows 5 members and 20,000 documents per agent, with auto-sync and branding removal. Confirm capacity upgrades for larger workloads. SiteGPT: Subscription by chatbot, source-page, team-member and message allowances. Starter includes 1 bot and 1,000 pages; Growth 2 bots and 10,000 pages; Scale 3 bots and 50,000 pages. Extra 5,000-message packs cost $59/month. Refresh schedules and integrations vary by tier. Ask both vendors to quote the same expected workload, required channels, and implementation scope. Include required subscriptions and usage charges before comparing the total; the listed starting prices alone may cover different work.
The recorded sources for CustomGPT.ai include websites; documents; PDFs; cloud sources; sitemaps. For SiteGPT, they include website pages; sitemaps; PDFs/files; Q&A. Ask each vendor to demonstrate ingestion or live access for the exact system you use, with permissions and refresh behavior. A source missing from this directory is not proof that a vendor cannot support it.
Use the same sample of real support requests, approved knowledge, and escalation rules in both pilots. Which source types and sync schedules are supported? Can users inspect citations? How are unanswered questions reviewed? Record answer quality, completed tasks, human handoffs, and total cost in the buyer worksheet. Check these specific cautions before launch: CustomGPT.ai: Add-ons and query/document limits can materially change cost; verify exact current plan limits. SiteGPT: Message and page caps apply; annual toggle can make headline prices differ from monthly billing.
Record your requirements and pilot results in the buyer worksheet →
On a small screen, swipe the table to compare both products.
| Criterion | CustomGPT.ai | SiteGPT |
|---|---|---|
| Best fit | Businesses needing multiple content-trained agents for customer or employee questions. | Small businesses and agencies wanting a quick website chatbot without building a helpdesk. |
| Key capabilities | no-code agent creation, content ingestion, citations, custom instructions, API/embed, analytics | automatic website crawl, citations, custom tone, human handoff, API, analytics |
| Company sizes | small, mid-market, enterprise | small, mid-market, agency |
| Channels | website embed, API, apps/integrations | website widget, API, webhooks |
| Integrations | website, API, Zapier/webhooks, helpdesk/CRM integrations vary | website embed, Zapier/webhooks, API, common chat/helpdesk tools |
| Knowledge sources | websites, documents, PDFs, cloud sources, sitemaps | website pages, sitemaps, PDFs/files, Q&A |
| Pricing model | Subscription with query, agent, document, word-storage and team-member limits. Standard allows 3 members and 5,000 documents per agent; Premium allows 5 members and 20,000 documents per agent, with auto-sync and branding removal. Confirm capacity upgrades for larger workloads. | Subscription by chatbot, source-page, team-member and message allowances. Starter includes 1 bot and 1,000 pages; Growth 2 bots and 10,000 pages; Scale 3 bots and 50,000 pages. Extra 5,000-message packs cost $59/month. Refresh schedules and integrations vary by tier. |
| Pricing summary | Standard $99/month with 10 agents and 1,000 queries; Premium $499/month with 25 agents and 5,000 queries (USD, billed monthly). Enterprise is custom-priced. | Starter $59/month, Growth $129/month, Scale $429/month (USD, billed monthly). Includes up to 4,000 / 10,000 / 40,000 messages respectively with GPT-4.1 mini; larger models use more allowance. Enterprise is quoted. |
| Free plan or trial | 7-day free trial available. | Free trial available; paid subscription required for ongoing use. |
| Differentiator | High content-volume limits and a dedicated RAG/agent product rather than a full helpdesk. | Simple website-first setup and flat tiered limits for pages/messages. |
| Considerations | Add-ons and query/document limits can materially change cost; verify exact current plan limits. | Message and page caps apply; annual toggle can make headline prices differ from monthly billing. |
Businesses needing multiple content-trained agents for customer or employee questions.
High content-volume limits and a dedicated RAG/agent product rather than a full helpdesk.
Small businesses and agencies wanting a quick website chatbot without building a helpdesk.
Simple website-first setup and flat tiered limits for pages/messages.
Verify current pricing, limits, security, and required integrations directly with each vendor before purchasing.