Agentkit and SiteGPT both build content-trained support chatbots. Agentkit offers GPT, Claude and Gemini models by plan and a published Free plan with 50 messages per month. SiteGPT advertises GPT-4.1-mini and GPT-4.1, native connections to services such as Notion and Google Drive, and scheduled source refresh on eligible plans. On monthly billing, Agentkit Hobby is $29.99 and SiteGPT Starter is $59. SiteGPT's displayed $39 Starter price requires a $468 annual payment. Its message allowance also changes with model choice. Both products support WordPress. This is a review of published offers on November 3, 2026, not a hands-on quality or migration test. To evaluate Agentkit, start with one Free chatbot and test your representative questions.
We compared Agentkit and SiteGPT across 15 points that matter when you're choosing an AI chatbot — pricing, AI models, training sources, embedding and support. Each tool leads in different areas. Here's the honest, side-by-side breakdown.
Here's how Agentkit and SiteGPT compare plan-for-plan, so you can map your current SiteGPT tier to the equivalent Agentkit plan. Every figure is checked against the providers' public pricing pages — dated below.
| Plan | Agentkit | SiteGPT |
|---|---|---|
| Free plan or trialTrial terms follow SiteGPT's pricing page. SiteGPT lists prices before taxes; confirm applicable taxes for both quotes. | $0, 50 messages/month and 1 chatbot | No free plan per pricing; 7-day trial with a credit card |
| Monthly entry, Hobby / StarterSiteGPT Starter is $468/year on annual billing, equivalent to $39/month. Agentkit also offers yearly billing; compare both annual totals separately. Message units are not assumed equivalent across products. | $29.99/month, 2,000 listed messages | $59/month, up to 4,000 GPT-4.1-mini or 400 GPT-4.1 messages |
| Monthly mid, Standard / GrowthSiteGPT Growth is $948/year, equivalent to $79/month. Model mixtures change the maximum message count. | $119.99/month, 12,000 messages, 2 chatbots and 3 seats | $129/month, up to 10,000 GPT-4.1-mini or 1,000 GPT-4.1 messages, 2 chatbots and 4 members |
| Monthly top, Pro / ScaleSiteGPT Scale is $3,108/year, equivalent to $259/month. Compare source, seat and model needs as well as the subscription. | $399.99/month, 40,000 messages, 3 chatbots and 5 seats | $429/month, up to 40,000 GPT-4.1-mini or 4,000 GPT-4.1 messages, 3 chatbots and 10 members |
Pricing as of November 3, 2026, per each provider’s public pricing page. Plans change — check current pricing before deciding.
Inventory source URLs, files, Q&A, connected services, actions and required support routes.
Build the Agentkit chatbot alongside the existing bot and re-add the supported sources; do not assume native connector settings transfer.
Test representative answers, models, source updates, forms and support follow-up before changing the live embed.
Replace the embed only after acceptance checks, and keep a way to restore the previous installation if checks fail.
Migration from SiteGPT depends on your sources, integrations and testing. Verify answers and human handoff before replacing your live chatbot.
Build a chatbot trained on your content in minutes and run it side-by-side. The free plan needs no credit card.
Honest verdict — read the full comparison below
| Feature | Agentkit | SiteGPT |
|---|---|---|
| Getting started | Free plan, 50 messages/month and 1 chatbot | Pricing page states no free plan; 7-day trial, credit card required |
| Monthly entry subscription | Hobby $29.99/month, 2,000 listed messages | Starter $59/month, up to 4,000 GPT-4.1-mini or 400 GPT-4.1 messages |
| Monthly mid subscription | Standard $119.99/month, 12,000 listed messages | Growth $129/month, up to 10,000 GPT-4.1-mini or 1,000 GPT-4.1 messages |
| Monthly top self-serve subscription | Pro $399.99/month, 40,000 listed messages | Scale $429/month, up to 40,000 GPT-4.1-mini or 4,000 GPT-4.1 messages |
| Advertised model selection | GPT, Claude and Gemini options, with plan-based model access | GPT-4.1-mini and GPT-4.1; model mix changes the allowance |
| Chatbots on entry plan | 1 chatbot | 1 chatbot |
| Seats on mid plan | 3 seats on Standard | 4 members on Growth |
| Training sources | Website, uploaded documents, text and Q&A | Website, files and native connections including Notion, Drive, Dropbox and GitHub |
| Scheduled source updates | Daily auto-retrain of web sources on Standard/Pro | Starter manual; Growth monthly; Scale weekly; Enterprise daily |
| Source-capacity units | Paid plans list 40 MB storage per chatbot and unlimited website links | Scale lists 50,000 pages of 2,500 cleaned characters each; units differ |
| Website installation | JS widget, React/Next.js script setup, iframe and WordPress embed | Embed script and WordPress plugin |
| Branding removal on monthly billing | Included on Standard at $119.99/month | Listed as a $59/month add-on; confirm eligibility with the selected plan |
| Actions and support workflows | Lead capture and configured actions; check the action's plan and connection requirements | Advertises lead capture, human escalation, booking and API workflows |
| REST API | Hobby and above | Growth and above |
| Webhooks | Hobby and above | Scale and above |