What is CustomGPT?
CustomGPT.ai is a platform for building retrieval-augmented AI agents grounded in your own business content, including websites, documents, PDFs, help desks, and uploaded files. It emphasizes accurate, citation-backed responses to reduce hallucinations, and offers embeds, an API, and integrations to deploy the bot on sites or in workflows. It is used for customer support, internal knowledge bases, and research assistants where source-grounded answers matter.
CustomGPT pricing (2026)
CustomGPT plans and pricing, verified June 2026, are below. Pricing can change, so confirm the latest on the official CustomGPT site.
| Plan | Price | Best for |
|---|---|---|
| Standard | $89/mo | Individuals, small business |
| Premium | $449/mo | Larger businesses |
| Enterprise | Custom | Custom scale |
Key features
- No-code chatbot trained on your own content
- Anti-hallucination, citation-backed responses
- Website, document, and help-desk ingestion
- Embeddable widget plus API access
- Auto-Sync to keep content up to date (higher tiers)
Who is CustomGPT best for? (pros & cons)
Pros
- Strong focus on accuracy and source citations
- No coding required to build and deploy
- Supports many content sources and an API
Cons
- Pricing is higher than many simple chatbot builders
- Query limits can constrain high-traffic use
- Auto-Sync reserved for higher tiers
CustomGPT vs alternatives
| Tool | Starting price | Best for |
|---|---|---|
| SiteGPT | around $49/mo | Lightweight site chatbots on a budget |
| Chatbase | around $40/mo | Quick GPT chatbots from docs and links |
| Botpress | Free or usage-based | Developers wanting flexible custom bots |
CustomGPT: company snapshot
Quick reference details about CustomGPT as a company. Figures marked estimated are third-party approximations and may change.
| Founded | 2021 |
|---|---|
| Employees | ~26 (estimated) |
| Headquarters | Needham, Massachusetts |
| Revenue | Not publicly disclosed |
| Products & services | No-code platform for building custom AI chatbots and agents trained on a business's own content. |
| Best for | Customer support, knowledge, and operations teams deploying AI agents on their data |
| Website | customgpt.ai |
Stack it with
Pair CustomGPT with the rest of a modern B2B stack: