Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
#1CustomGPT.ai records 96,030 monthly visits with -16.5% month-over-month growth and Freemium, Free Trial, Paid, Contact for Pricing pricing. MaxKB records 169 monthly visits with -95.1% growth and Free, Paid (self-hosted subscription) pricing.

Open-source RAG platform for building enterprise AI agents
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | customgpt.ai | maxkb.pro |
| Pricing Model | Freemium, Free Trial, Paid, Contact for Pricing | Free, Paid (self-hosted subscription) |
| Monthly Visits | 96.03K (96,030) | 169 (169) |
| MoM Traffic Delta |
|---|
| -18.96K (-16.5%) |
| -3.26K (-95.1%) |
| Primary Market & Share | 🇺🇸 United States (14.4%) | 🇺🇸 United States (100%) |
|---|
| Direct Visits / mo | 42.22K | 67 |
|---|
| User Rating | 4.3 | 4.6 |
|---|
| Supported Platforms | Website | Website |
|---|

No-code AI agents trained on your own business content
Responses are generated from your supplied content only, with a citation link attached to each answer so readers can check the source.
Create and configure custom GPT agents from a browser interface without writing any code or maintaining your own retrieval stack.
Ingest websites, help centers, PDFs, Office files, YouTube videos, podcasts and audio, across 1,400+ document formats and integrations like Google Drive and Notion.
Programmatic access to your agents through a documented REST API and SDK for embedding answers into your own applications.

Open-source RAG platform for building enterprise AI agents
Upload documents or crawl web sources with automatic text splitting, vectorization, and retrieval to ground answers in your own knowledge.
Orchestrate multi-step AI processes with a function library and MCP tool-use for complex business logic.
Connect private models such as DeepSeek, Llama and Qwen or public APIs including OpenAI, Claude and Gemini.
Embed intelligent Q&A into existing business systems and third-party apps without writing code.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
#1
The AI workspace where teams and agents get work done together

Chat with 30+ leading AI models in one clean, fast workspace
AI-first customer support platform with a shared inbox built in

Free / Open-sourceBuild, deploy, and govern production-ready agentic AI workflows


Free / Open-sourcePut always-on AI agents on your team chat

Custom AI agents trained on your documentation and knowledge base

Free / Open-sourceTurn any document into AI-ready context with agentic parsing and extraction

Build custom AI agents and support chatbots trained on your own data, across every channel

Custom AI support chatbots trained on your own website content
No-code AI agents that answer, act and hand off across every channel
No-code AI agents that resolve support and sales conversations
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Chat with 30+ leading AI models in one clean, fast workspace
Free / Open-sourceBuild, deploy, and govern production-ready agentic AI workflows
Custom AI agents trained on your documentation and knowledge base
Free / Open-sourceTurn any document into AI-ready context with agentic parsing and extraction
Build custom AI agents and support chatbots trained on your own data, across every channel
Custom AI support chatbots trained on your own website content
No-code AI agents that resolve support and sales conversations