Paid tool

OpenAssistantGPT

An open-source platform for building and embedding custom OpenAI-powered chatbots.

Visitopenassistantgpt.io
Intro

What is OpenAssistantGPT?

OpenAssistantGPT is an open source platform designed for building custom chatbot assistants using OpenAI's Assistant API. If you are looking at how to creat my own ai and deploy an open source ai chatbot on your own website, this platform provides a developer-friendly codebase available on GitHub. It operates as an open assistant companion, allowing users to leverage models like GPT-4o, GPT-4, and GPT-3.5 to construct smart RAG chatbots. By deploying these openai chatbots, businesses can automate customer inquiries, reduce support ticket volume, and improve overall response times.

OpenAssistantGPT at a glance
Free, Basic Plan from $18/mo20K monthly visitsPaid access
Pricing

OpenAssistantGPT Pricing Plans

Compare OpenAssistantGPT free options, OpenAssistantGPT paid pricing plans, and usage notes before you choose the best way to use this AI tool in 2026.

Free, Basic Plan from $18/mo

$0/month

Includes 1 chatbot, 1 crawler, 3 files, 1 action, and 500 messages per month.

$18/month

Includes 9 chatbots, 9 crawlers, 27 files, 9 actions, customizations, unlimited messages, client inquiry lead collection, and chat disclaimer.

$54/month

Includes 27 chatbots, 27 crawlers, 81 files, 27 actions, 5 custom domains, customizations, unlimited messages, lead collection, chat disclaimer, client file attachments, and removal of OpenAssistantGPT branding.

Custom Pricing

Customizable limits for chatbots, crawlers, files, actions, and custom domains. Includes all Pro features, SAML/SSO chatbot authentication, and SLA guarantees.

Pricing updated:Jun 12, 2026

Features

OpenAssistantGPT AI Features

OpenAI Assistants integration supporting GPT-4, GPT-3.5, and GPT-4oSAML/SSO Authentication for secure internal employee chatbotsNo-code website crawler for automated trainingUser inquiry forms to collect customer leadsAI Agent Actions to query external API endpointsWeb Search capability for real-time information retrievalFile attachment analysis support for CSV, XML, and image filesDeveloper-friendly open source NextJS SDK deployable on Vercel
Pros & Cons

OpenAssistantGPT Pros and Cons

Pros

  • Fully open source with code transparently hosted on GitHub
  • Compatible with major web hosting platforms like Wix, WordPress, and Shopify
  • SAML/SSO options allow private, secure corporate deployment
  • Flexible model selection including GPT-4o

Limitations

  • Free plan is limited to 1 chatbot and 500 messages per month
  • Advanced customization and white-labeling features require a paid subscription

OpenAssistantGPT FAQ

OpenAssistantGPT supports OpenAI models including GPT-3.5, GPT-4, and GPT-4o, enabling you to build a custom open assistant chatbot trained specifically on your web pages.