CustomGPT.ai vs SiteGPT (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: SiteGPT does not list a price
Free plan
SiteGPT
Only SiteGPT has one
Higher rating
CustomGPT.ai
4.1 against 3.9
Same job?
Yes
Both are Chatbots tools

Side by side

Compared on	CustomGPT.ai	SiteGPT
Our rating	4.1Better	3.9
Starts at	$99/mo	Free
Free plan	No	YesBetter
Category	Chatbots	Chatbots
Plans	From $99/mo	Free
Key features	Retrieval-augmented answers scoped to ingested business content No-code ingestion from websites, help desks, PDFs, and documents AI Vision and image citations alongside text-based answers Streaming API responses for embedding into other products Developer StarterKit for building custom RAG applications	Trains automatically on a website's existing pages, help docs, and uploaded files No-code setup: point at a URL and get a working chatbot without manual knowledge-base building Embeddable widget deploys directly on the customer's own site Escalates to human support when the bot cannot answer confidently Free trial available before paid plans begin
Pros	RAG-first architecture keeps answers grounded in a business's own content API access makes it straightforward to embed into an existing product or help desk Established since 2021 with visible ongoing feature development (AI Vision, StarterKit)	Skips the manual knowledge-base setup that slows down most chatbot builders Fast path from signup to a working bot answering real site content Free trial lowers the risk of committing before seeing real results
Cons	No permanent free plan, only a 7-day trial $99/month entry price is above several lighter-weight chatbot builders Answer quality depends on how well-organized the ingested source content is	Message-volume pricing can climb for high-traffic sites Answer quality depends entirely on how well the source content is written Limited to the content it can crawl, not a fit for knowledge that lives outside the website
Company	CustomGPT.ai, founded 2021	SiteGPT, founded 2023

Prices come from each vendor's pricing page, last checked 20260802. Check the vendor before you buy.

FAQ

Questions people ask

Is CustomGPT.ai better than SiteGPT?

In our reviews CustomGPT.ai scores 4.1 and SiteGPT scores 3.9. The better pick depends on the job. CustomGPT.ai: No-code platform for training a ChatGPT-style chatbot on a business's own documents, websites, and knowledge base. SiteGPT: Trains a support chatbot directly from a website's own content in minutes, no separate knowledge base needed.

Which is cheaper, CustomGPT.ai or SiteGPT?

CustomGPT.ai: from $99/mo. SiteGPT: free.

Do CustomGPT.ai and SiteGPT have free plans?

Only SiteGPT has a free plan.

More comparisons

CustomGPT.ai compared with

All CustomGPT.ai alternatives

SiteGPT compared with

All SiteGPT alternatives