OpenAssistantGPT vs Chatbase: Full Comparison (2026)
OpenAssistantGPT vs Chatbase compared head-to-head. See pricing, features, storage limits, and which AI chatbot builder delivers better value.
OpenAssistantGPT beats Chatbase on price, flexibility, and features. OpenAssistantGPT offers unlimited messages at 18/month with your own OpenAI API key and full open-source code. Chatbase charges 40/month with credit-based messaging, strict storage caps, and no open-source option.
Chatbase was one of the first AI chatbot builders to gain traction, but its limitations have become clear as the market matured. Credit-based pricing, storage restrictions, and a 2.1/5 Trustpilot rating with billing complaints push teams toward alternatives. Here is how the two platforms compare in detail.
Side-by-Side Comparison
| Feature | OpenAssistantGPT | Chatbase |
|---|---|---|
| Starting price | $18/mo (Basic) | $40/mo (Hobby) |
| Messages | Unlimited | Credit-based (GPT-4 = 20 credits) |
| Own API key | Yes | No |
| Open source | Yes | No |
| Storage | Website crawling (no cap) | 10MB - 40MB (text extraction) |
| Chatbots | 9 (Basic) | Limited |
| White-label | Yes ($54/mo) | No |
| Custom domains | Yes ($54/mo) | No |
| Self-hosting | Yes | No |
| AI models | GPT-4o, GPT-4, GPT-3.5 | Multiple LLMs |
| Web search | Yes | Limited |
| File analysis | CSV, XML, images | Documents |
| API actions | Yes | Limited |
| Lead capture | Yes | Yes |
| SAML/SSO | Enterprise | No |
Pricing Breakdown
| Plan Tier | OpenAssistantGPT | Chatbase |
|---|---|---|
| Free | $0 (500 msg/mo, 1 bot) | $0 (400KB storage) |
| Entry | $18/mo (unlimited msg, 9 bots) | $40/mo (10MB storage) |
| Mid | $54/mo (white-label, custom domains) | $150/mo (20MB storage) |
| Top | Enterprise (custom) | $500/mo (40MB storage) |
OpenAssistantGPT's Basic plan at 18/month delivers more than Chatbase's Standard plan at 150/month: unlimited messages vs. credit limits, 9 chatbots vs. limited, and open-source code vs. proprietary.
Why OpenAssistantGPT Is Better
No credit counting. Chatbase charges credits per message — GPT-4 responses consume 20 credits each, GPT-4.5 costs 30. A busy chatbot burns through credits in days. OpenAssistantGPT offers unlimited messages on all paid plans.
No storage caps. Chatbase limits extracted text to 400KB (free) through 40MB ($500/month). OpenAssistantGPT crawls your website automatically with no restrictive storage limits.
Open source. Full source code on GitHub, self-hostable, auditable. Chatbase is entirely proprietary — zero transparency into how your data is handled.
White-labeling. Available at $54/month on OpenAssistantGPT Pro. Chatbase offers no white-label option at any price.
Better value. OpenAssistantGPT Basic (18/mo) provides more features than Chatbase Standard (150/mo) at 88% lower cost.
When Chatbase Might Work
Chatbase can be reasonable for quick prototypes or proof-of-concept chatbots where you need to test an idea in under 30 minutes and don't care about long-term costs. Its multi-LLM support lets you test different models. But for production use, the cost and limitations push most teams to alternatives.
FAQ
Is OpenAssistantGPT better than Chatbase?
Yes, for production use. OpenAssistantGPT offers unlimited messages at $18/month, open-source code, white-labeling, and your own API key. Chatbase's credit-based pricing and storage limits make it expensive and restrictive at scale.
Why is Chatbase so expensive?
Chatbase uses credit-based pricing where each AI response consumes multiple credits. GPT-4 costs 20 credits per response. Combined with storage caps and steep plan jumps (40 to 150 to $500), costs escalate quickly.
Can I migrate from Chatbase to OpenAssistantGPT?
Yes, in about 1-2 hours. Export your documents from Chatbase, point OpenAssistantGPT's crawler at your website, upload additional files if needed, customize the widget, and swap the embed code.
Does OpenAssistantGPT support multiple AI models like Chatbase?
OpenAssistantGPT supports GPT-4o, GPT-4, and GPT-3.5 through OpenAI's Assistants API. Chatbase supports additional providers, but for most use cases GPT-4o delivers the best results.