Standard
$99 monthly
- ✓ 10 agents
- ✓ 1,000 queries/month
- ✓ 5,000 documents per agent
- ✓ 60M-word storage capacity
- ✓ 3 team members + RAG API access
BUSINESS AI · RAG · KNOWLEDGE AGENTS
CustomGPT.ai Pricing & Review
Updated September 5, 2026
CustomGPT.ai lets businesses build AI agents grounded in their own websites, documents, help centers and private knowledge. Its core pitch is RAG-based answers with source citations, plus embedding, API and integration options for customer support, internal knowledge and research workflows.
7-day trial
Trial converts to the selected paid plan unless canceled
RAG + citations
Answers grounded in your content
API + embeds
Deploy agents into business workflows
Best first step
Start with the trial only if you have a real knowledge-base use case ready to test. The current Standard plan is $99/month on monthly billing, so validate answer quality and query volume before the trial renews.
Affiliate disclosure: COSHUMA may earn a commission from some links on this page, at no extra cost to you.
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Learn more →CustomGPT.ai pricing in 2026
The official pricing page currently lists Standard at $99/month or $89/month billed annually, Premium at $499/month or $449/month billed annually, and Enterprise at custom pricing.
Premium
$499 monthly
- ✓ 25 agents
- ✓ 5,000 queries/month
- ✓ 20,000 documents per agent
- ✓ 300M-word storage capacity
- ✓ Auto-sync + branding removal
Enterprise
Custom quote
- ✓ Flexible usage and capacity
- ✓ Custom workflows and engineering
- ✓ Advanced RBAC, SSO and DPA
- ✓ Dedicated solutions/account team
- ✓ Enterprise onboarding
Trial warning: CustomGPT.ai's current public materials state that the 7-day trial requires a payment method and the selected subscription is charged after the trial unless canceled. Confirm the live checkout terms before starting.
Official customer proof
What MIT's Martin Trust Center actually used it for
CustomGPT.ai's official MIT case study says the Martin Trust Center for MIT Entrepreneurship built ChatMTC to give entrepreneurs 24/7 access to entrepreneurship knowledge across multiple MIT sources. The published case study highlights replies in seconds, support for 90+ languages and source-grounded answers as the core outcome.
24/7
Round-the-clock knowledge access
90+
Languages cited in the case study
Seconds
Response speed versus long queues
Strong use cases
- ✓ Customer-support agents grounded in approved documentation
- ✓ Internal knowledge assistants for teams
- ✓ Website or help-center content ingestion
- ✓ Website embeds, public/private agents and API deployments
- ✓ Auto-sync and larger knowledge bases on higher tiers
What to check before paying
- • Standard's 1,000 monthly queries may be small for public-facing traffic
- • Premium is a large price jump, so estimate query and document volume first
- • Some automation, branding and sync features depend on tier
- • Trial renewal is paid unless canceled
- • Enterprise security/identity requirements need a scoped quote
Compare before you decide
Validate one real knowledge workflow first
Load a representative knowledge set, test citations and measure query usage during the trial before deciding whether Standard or Premium makes economic sense.
Start CustomGPT.ai →Pricing and trial terms can change. Confirm the current details on CustomGPT.ai before subscribing.
Practical value
Problems it can help solve
These are workflow problems the tool's documented capabilities can help address. COSHUMA does not promise a specific business result.
- ✓Businesses need AI agents that answer from their own websites, documents and knowledge sources instead of relying only on a general model's training data.
- ✓Support and internal teams need repeatable retrieval-based assistants for customer questions, employee knowledge and research without manually searching large document collections.
- ✓Organizations deploying multiple knowledge agents need team access, API connectivity and higher-tier synchronization or branding controls as usage grows.
Service ideas
Ways to make money with this tool
Use the tool to create a service, workflow or deliverable someone may pay for. These are use-case ideas, not income guarantees.
Build business knowledge assistants
Difficulty: Intermediate · Starting cost: 7-day trial/paid
Example deliverable: Configured AI agent grounded in approved client websites and documents with test questions and handoff notes
Implement customer-support knowledge agents
Difficulty: Intermediate · Starting cost: 7-day trial/paid
Example deliverable: Support assistant prototype with curated sources, response testing, escalation guidance and deployment instructions
Offer RAG agent implementation and API setup
Difficulty: Advanced · Starting cost: Paid
Example deliverable: Production-oriented agent workflow using approved data sources and RAG API access with integration and maintenance documentation
Verification & sources
Last verified
September 1, 2026
Sources checked
Software details and prices can change. Verify final terms on the vendor site before purchasing.
How this page is checked: COSHUMA methodology. Product terms can change; verify the current vendor page before purchase.