
Introduction
If you’re exploring AI chatbots, two names come up often: CustomGPT.ai and Chatbase. Both allow you to train chatbots on your own data and deploy them without writing code.
But while they sound similar, they serve very different audiences.
👉 Quick Verdict: CustomGPT is the stronger choice for businesses that value security, multilingual support, and enterprise readiness. Chatbase is better suited for hobbyists, solo developers, and startups testing chatbot concepts at a lower cost.
What Is CustomGPT?
CustomGPT.ai is a business-focused AI chatbot builder that lets you upload your own data (documents, PDFs, websites) and generate an assistant trained exclusively on that content.
Highlights:
- No-code setup in minutes.
- Multilingual support (20+ languages).
- Enterprise-grade security & compliance.
- Advanced accuracy → fewer hallucinations.

What Is Chatbase?
Chatbase is an AI chatbot platform that offers a lightweight way to train bots on documents or text. It’s more geared toward developers, startups, and experimental projects.
Highlights:
- Free tier available.
- Upload text, PDFs, or website data.
- Simple widget for embedding bots.
- Community-driven with limited enterprise tools.

Step-by-Step Setup Walkthrough
🚀 CustomGPT Setup
- Sign up at CustomGPT.ai.
- Upload files (PDFs, Word docs) or connect a website.
- The AI trains on your content.
- Customize branding and responses.
- Deploy chatbot via widget, API, or integrations.
👉 Time to launch: Under 10 minutes for a basic bot.
⚡ Chatbase Setup
- Sign up at Chatbase.co.
- Upload documents or paste text.
- Train the chatbot on limited data.
- Embed via widget on your website.
👉 Time to launch: Also quick, but fewer customization options.
Feature Comparison
| Feature | CustomGPT.ai | Chatbase |
|---|---|---|
| Ease of Use | Drag-and-drop, no-code | Simple, but developer-oriented |
| Training Sources | Websites, PDFs, docs | Docs, text |
| Security | Enterprise-grade compliance | Basic |
| Multilingual | 20+ languages | Mostly English |
| Integrations | Website, API, enterprise tools | Website widget only |
| Customization | Branding, style, team use | Limited |
Pricing Breakdown
💰 CustomGPT Pricing (2025)
- Standard ($99/month): 1 chatbot, basic features.
- Premium ($449/month): Multiple bots, advanced options.
- Enterprise (Custom): Security, compliance, support.

💰 Chatbase Pricing (2025)
- Free Tier: Limited training & messages.
- Paid Plans: Start lower than CustomGPT, but fewer features.

👉 If budget is your #1 factor → Chatbase wins. If compliance, privacy, and multilingual accuracy matter → CustomGPT is worth the investment.
Real-World Case Studies
🏢 Business Use Case (CustomGPT)
A mid-sized financial advisory firm used CustomGPT to train a chatbot on compliance-approved documents. The bot now answers customer questions in multiple languages while staying within regulatory guidelines.
Result: Reduced customer service tickets by 40%.
🚀 Startup Use Case (Chatbase)
A two-person SaaS startup embedded a Chatbase bot to answer FAQs from their documentation.
Result: Helped them cut down repetitive support queries, though accuracy dipped with complex queries.
Accuracy Comparison
- CustomGPT: Restricts answers to your uploaded data. This minimizes hallucinations and ensures consistency.
- Chatbase: Answers sometimes drift outside your dataset, producing less reliable results.
👉 For mission-critical industries (finance, healthcare, law) → CustomGPT is the safer choice.
Security
- CustomGPT: Prioritizes enterprise security, data compliance, and privacy.
- Chatbase: Adequate for personal or startup use, but not enterprise-level.
Pros & Cons
CustomGPT Pros:
- Private & secure.
- Multilingual.
- Accurate & business-ready.
CustomGPT Cons:
- Higher pricing.
Chatbase Pros:
- Free tier.
- Simple to test & deploy.
Chatbase Cons:
- Limited customization.
- Less accurate.
- Weak security.
Best For
Choose CustomGPT if:
- You’re a business needing compliance-ready chatbots.
- You want multilingual support.
- You require strong privacy.
Choose Chatbase if:
- You’re a hobbyist, indie dev, or startup.
- You want a free/cheap entry point.
- You don’t need enterprise features.
FAQs
Q: Which tool is better for small businesses?
CustomGPT for long-term growth, Chatbase for early testing.
Q: Can I use them with WhatsApp or Slack?
CustomGPT offers enterprise integrations. Chatbase is limited to web widgets.
Q: Which handles larger datasets better?
CustomGPT can scale with big document sets. Chatbase is better for lighter use.
Q: Is there a free trial?
CustomGPT offers trials; Chatbase has a permanent free tier.
Final Verdict
Both tools help you build chatbots from your data — but they’re not equals.
- CustomGPT → Designed for businesses and enterprises that need reliability, accuracy, and security.
- Chatbase → Great for individuals and startups experimenting with AI bots on a budget.
👉 Our StackHorse verdict: CustomGPT wins with 4.5/5 stars vs Chatbase’s 3/5 but each has its use cases. To try each on click on the link below for a free trial!
