InboxGPT vs MaxKB: side-by-side comparison of pricing, ratings, and features on SoftwareVital (2026).
Pricing models differ: InboxGPT is paid, MaxKB is free. Feature lists share 0 overlapping items across the two listings.
AI-powered email platform that handles customer replies and lets teams work together on incoming messages.
MaxKB is an open-source AI knowledge base and chatbot platform for enterprises, using RAG to ground answers in your knowledge bases.
| Attribute | InboxGPT | MaxKB |
|---|---|---|
| Rating | — | — |
| Reviews | — | — |
| Pricing | paid · $29 | free |
| Votes | 0 | 0 |
| Category | AI Customer Service | AI Agent |
| Feature | InboxGPT | MaxKB |
|---|---|---|
| Unified AI Powered Mailboxes | ||
| Unlimited messages | ||
| Team collaboration on messages | ||
| Open-source and free to use (OSS Edition) | ||
| Supports various large models (private and public) | ||
| Integrates RAG pipelines to reduce hallucinations | ||
| Equipped with a powerful workflow engine and MCP tool-use | ||
| Facilitates zero-coding integration into third-party systems | ||
| OSS Edition has limitations on users | ||
| applications | ||
| and knowledge bases |