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Alternatives · 2026

Best CustomGPT Alternatives in 2026

24 alternatives · 23 with a free plan · Updated

What are the best CustomGPT alternatives?

The best CustomGPT alternatives for AI Chatbot in 2026 are Wizbot (AI chatbot trained on your website content to handle…, free), PenPal (AI copilot, free) and Teamie AI (chat-based AI knowledge base, free). 23 of the 24 listed alternatives have a free or freemium plan.

Looking for something other than CustomGPT? Below are 24 alternatives in AI Chatbot, AI Customer Service and AI Knowledge Base, all closely matched, ranked by how much they overlap with CustomGPT. CustomGPT itself is paid. Each entry shows what the tool does, what it shares with CustomGPT, its key features and pricing.

What is CustomGPT?

As an AI chatbot builder, CustomGPT stands apart by training on your own documents and website content, so answers come from your material instead of general web knowledge. CustomGPT is a chatbot and knowledge base tool for customer service and internal support, with a focus on accurate, secure answers.

Pricing
Paid

CustomGPT alternatives compared

Top 5 alternatives to CustomGPT with pricing and overlap
ToolPricingShared with CustomGPTMatch
CustomGPTPaid—Original
WizbotFreeAI Chatbot, AI Customer Service, Large Language Models (LLMs), OtherStrong match
PenPalFreeAI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)Strong match
Teamie AIFreeAI Chatbot, AI Knowledge Base, Large Language Models (LLMs), OtherStrong match
SupBotFreeAI Chatbot, AI Customer Service, Large Language Models (LLMs), OtherStrong match
Membership.ioFreeAI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs), OtherStrong match

Top 24 alternatives to CustomGPT

  1. #1
    Wizbot logo

    Wizbot

    Strong matchFree

    AI chatbot trained on your website content to handle customer support conversations automatically.

    In common with CustomGPT: AI Chatbot, AI Customer Service, Large Language Models (LLMs), Other

    • Custom GPT chatbot for website customer support

    Pricing: free, a cheaper way in than CustomGPT (paid)

  2. #2
    PenPal logo

    PenPal

    Strong matchFree

    PenPal is an AI copilot that builds chatbots from your knowledge base to answer website visitors and turn them into customers.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    Pricing: free, a cheaper way in than CustomGPT (paid)

  3. #3
    T

    Teamie AI

    Strong matchFree

    Teamie AI is a chat-based AI knowledge base that gives teams fast answers from internal information, with sources cited for checking.

    In common with CustomGPT: AI Chatbot, AI Knowledge Base, Large Language Models (LLMs), Other

    • Reduces time spent searching for information
    • Decreases burden on support teams
    • Improves employee onboarding experience

    Pricing: free, a cheaper way in than CustomGPT (paid)

  4. #4
    SupBot logo

    SupBot

    Strong matchFree

    SupBot is an AI support chatbot builder that lets you train, test and deploy a customer service bot on your website with an HTML script.

    In common with CustomGPT: AI Chatbot, AI Customer Service, Large Language Models (LLMs), Other

    Pricing: free, a cheaper way in than CustomGPT (paid)

  5. #5
    M

    Membership.io

    Strong matchFree

    Membership management and course platform with AI chatbot tools for creators running memberships, online courses, or coaching programs.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs), Other

    • Comprehensive set of features for membership and course management
    • AI-powered tools to enhance user engagement
    • Scalable plans to accommodate growing businesses

    Pricing: free, a cheaper way in than CustomGPT (paid)

  6. #6
    C

    Circled

    Strong matchFree

    Circled is an AI chatbot builder that answers customer support questions on your website around the clock, using ChatGPT.

    In common with CustomGPT: AI Chatbot, AI Customer Service, Large Language Models (LLMs), Other

    • Reduces customer support workload for humans
    • Provides 24/7 customer service
    • Saves on the cost of hiring support staff

    Pricing: free, a cheaper way in than CustomGPT (paid)

  7. #7
    Aide logo

    Aide

    Strong matchFree

    Aide is an AI customer service platform that automates repetitive support tasks and gives agents suggestions, working with Zendesk and Front.

    In common with CustomGPT: AI Chatbot, AI Customer Service, Large Language Models (LLMs), Other

    • Automates repetitive tasks
    • Provides AI-powered suggestions and guidance to agents
    • Offers insights into customer pain points and trends

    Pricing: free, a cheaper way in than CustomGPT (paid)

  8. #8
    ChatbotGen logo

    ChatbotGen

    Strong matchFree

    ChatbotGen is an AI chatbot builder for websites and Telegram that trains bots on your own content without coding.

    In common with CustomGPT: AI Chatbot, AI Customer Service, Large Language Models (LLMs), Other

    • AI chatbot builder for websites

    Pricing: free, a cheaper way in than CustomGPT (paid)

  9. #9
    Chattier logo

    Chattier

    Strong matchFree

    Create and embed AI chatbots for customer support on your website with text or 3D avatar options.

    In common with CustomGPT: AI Chatbot, AI Customer Service, Large Language Models (LLMs), Other

    • Chatbots are easily inserted into any website
    • It supports standard text chatbots as well as 3D avatars with speech capabilities
    • Once embedded

    Pricing: free, a cheaper way in than CustomGPT (paid)

  10. #10
    Embed logo

    Embed

    Strong matchFreemium

    RAG chatbot builder that trains chatbots on various knowledge sources, with free self-setup and Standard plans starting at $10 per month.

    In common with CustomGPT: AI Chatbot, AI Knowledge Base, Large Language Models (LLMs), Other

    • Access to free LLama2 & Llama3 chat models
    • Knowledge retraining capabilities included
    • Support for training and storing up to 75

    Pricing: freemium (free plan + paid upgrades), a cheaper way in than CustomGPT (paid)

  11. #11
    Libraria logo

    Libraria

    Strong matchFreemium

    Libraria is a no-code AI chatbot builder for creating custom ChatGPT bots trained on your own content, with a free plan.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    • No-code platform to create custom ChatGPT chatbots with your own data

    Pricing: freemium (free plan + paid upgrades), a cheaper way in than CustomGPT (paid)

  12. #12
    K

    Knibble.AI

    Strong matchFree

    AI knowledge base and chatbot builder that answers questions from your PDFs and web pages, powered by ChatGPT, with embeddable bots.

    In common with CustomGPT: AI Chatbot, AI Knowledge Base, Large Language Models (LLMs), Other

    • It transforms how you access information

    Pricing: free, a cheaper way in than CustomGPT (paid)

  13. #13
    MaxKB logo

    MaxKB

    Strong matchFree

    MaxKB is an open-source AI knowledge base and chatbot platform for enterprises, using RAG to ground answers in your knowledge bases.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    • Open-source and free to use (OSS Edition)
    • Supports various large models (private and public)
    • Integrates RAG pipelines to reduce hallucinations

    Pricing: free, a cheaper way in than CustomGPT (paid)

  14. #14
    TutGPT logo

    TutGPT

    Strong matchFree

    TutGPT is a custom AI chatbot trained on your own documents to give instant answers to customers and staff.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    Pricing: free, a cheaper way in than CustomGPT (paid)

  15. #15
    P

    PxBot

    Strong matchFreemium

    PxBot is a custom ChatGPT search engine that lets staff find answers in company HR documents and intranet content.

    In common with CustomGPT: AI Chatbot, AI Knowledge Base, Large Language Models (LLMs), Other

    • Custom ChatGPT search engine for business data

    Pricing: freemium (free plan + paid upgrades), a cheaper way in than CustomGPT (paid)

  16. #16
    Helpix AI logo

    Helpix AI

    Strong matchFree

    Helpix AI is an AI chatbot that answers customer questions and handles sales across texts, email, social media, live chat and WhatsApp.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    • Utilising an optichannel approach
    • It offers automated customer service and sales across all channels

    Pricing: free, a cheaper way in than CustomGPT (paid)

  17. #17
    V

    Verloop.io

    Strong matchFree

    Verloop.io is an AI customer service platform that automates support chats and calls across WhatsApp, website, voice and social channels for businesses.

    In common with CustomGPT: AI Chatbot, AI Customer Service, Large Language Models (LLMs), Other

    • AI-powered customer service automation platform fo

    Pricing: free, a cheaper way in than CustomGPT (paid)

  18. #18
    Quickchat AI logo

    Quickchat AI

    Strong matchEnterprise

    No-code AI agent builder for businesses that automates sales, customer support, onboarding, and online booking.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    • It automates processes such as sales

    Pricing: enterprise (custom pricing); CustomGPT is paid

  19. #19
    N

    Nexai

    Strong matchFreemium

    Nexai is an AI chat assistant and semantic search tool that answers visitor questions from your website knowledge base.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    • AI chat assistant and semantic search platform for website knowledge bases

    Pricing: freemium (free plan + paid upgrades), a cheaper way in than CustomGPT (paid)

  20. #20
    AlphaBot & LiveChat logo

    AlphaBot & LiveChat

    Strong matchFree

    AlphaBot is an AI customer service chatbot that chats with customers and passes complex questions to human agents.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    • It ensures conversations never hit a dead end and improves with every interaction

    Pricing: free, a cheaper way in than CustomGPT (paid)

  21. #21
    AssistLoop.ai logo

    AssistLoop.ai

    Strong matchFree

    AssistLoop.ai is an AI chatbot for 24/7 automated customer support, trained on your own business data and embedded on your website.

    In common with CustomGPT: AI Chatbot, AI Customer Service, Large Language Models (LLMs), Other

    • Provides 24/7 automated customer support
    • Trainable on custom business data for highly relevant answers
    • Reduces support costs and saves time

    Pricing: free, a cheaper way in than CustomGPT (paid)

  22. #22
    SiteSpeakAI logo

    SiteSpeakAI

    Strong matchFree

    SiteSpeakAI is an AI chatbot builder that lets you add a ChatGPT-based assistant to your website to answer visitor questions 24/7.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    • Embed a ChatGPT chatbot on your website to answer questions 24/7

    Pricing: free, a cheaper way in than CustomGPT (paid)

  23. #23
    C

    Chaterimo

    Strong matchFree

    AI customer service chatbot that answers questions 24/7 in multiple languages, built on ChatGPT, Claude, and Gemini models.

    In common with CustomGPT: AI Chatbot, AI Customer Service, AI Knowledge Base, Large Language Models (LLMs)

    • /7 availability
    • Personalized assistance
    • Cost reduction

    Pricing: free, a cheaper way in than CustomGPT (paid)

  24. #24
    InnossistAI logo

    InnossistAI

    Strong matchFreemium

    InnossistAI is an AI customer support tool with a chatbot, voice calls and agent features for answering customer questions.

    In common with CustomGPT: AI Chatbot, AI Customer Service, Large Language Models (LLMs), Other

    • AI-powered customer support system with chatbot

    Pricing: freemium (free plan + paid upgrades), a cheaper way in than CustomGPT (paid)

How we picked these CustomGPT alternatives

We rank tools by how closely they match CustomGPT: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.

Frequently asked questions

What are the best alternatives to CustomGPT in 2026?

The closest alternatives to CustomGPT are Wizbot, PenPal, Teamie AI, SupBot and Membership.io. They are ranked by how many categories and tags they share with CustomGPT and how similar their descriptions are, then by community votes and views on SoftwareVital.

What is the closest alternative to CustomGPT?

Wizbot is the closest match because it shares AI Chatbot, AI Customer Service and Large Language Models (LLMs) with CustomGPT. It is free.

Are there free alternatives to CustomGPT?

Yes. 23 of the 24 alternatives have a free or freemium plan, including Wizbot (free), PenPal (free), Teamie AI (free), SupBot (free) and Membership.io (free). CustomGPT is paid.

Which CustomGPT alternatives are paid or enterprise tools?

Quickchat AI (enterprise) uses paid or enterprise pricing, which usually means more support and admin options for teams.

How does CustomGPT compare to Wizbot?

Wizbot overlaps with CustomGPT in AI Chatbot, AI Customer Service and Large Language Models (LLMs). Its listed features include custom GPT chatbot for website customer support. Pricing: free, a cheaper way in than CustomGPT (paid). Open the side-by-side compare page for a full breakdown.

What category is CustomGPT in?

CustomGPT is listed under AI Chatbot on SoftwareVital. Browse that category to see more tools in the same group.