Work · alternatives · 2026

24 alternatives to chat4o.ai

Free Online AI Chatbot based on OpenAI o1 and GPT-4o

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. chat4o.ai launched in 2024; newer entries below may have overtaken it.

1
ChatGPT▲1,643
A long, meandering, playful conversation with ChatGPT, where I take it through a whirlwind of associative tangents (in order to relax its constraints), then put it into a hypnotic trance and take it into a past-lives regression where it re-lives its own training data. Then I switch it back and forth between "4o" and "o1-preview", engage in some self-reflective philosophizing and ask it to write an essay summarizing our interaction. Some of this is just goofy fun. Some of it is me exploring the tradeoffs between policy alignment, imagination, chain-of-thought reasoning, memory, agreeableness,…
2022 · chatgpt.com · its alternatives →
2
GPT-4 Vision Chatbot▲310
Train AI chatbot on images and text
2023 · thesamur.ai · its alternatives →
3
ChatGPT4o▲59
Free Chat GPT 4o (GPT-4o)
2024 · its alternatives →
4
ChatbotGPT▲123
Custom ChatGPT agents with your own data
2023 · chaindesk.ai · its alternatives →
5
ChatGPT Enterprise▲322
Enterprise-grade security, privacy and powerful ChatGPT
2023 · openai.com · its alternatives →
6
ChatBetter▲329
Use ChatGPT, Claude, and Gemini Side-By-Side
2025 · chatbetter.com · its alternatives →
7
chat4o.ai▲9
Chat 4O - AI Image Generator & Assistant with GPT-4o & O1
2025 · chat4o.ai · its alternatives →
8
ChatGPT Team▲448
A customized, superassistant for every member of your team
2024 · openai.com · its alternatives →
9
Chat Interface for OpenAI Assistants▲119
ChatGPT-like customer interactions in a website widget
2024 · openwidget.com · its alternatives →
10
OpenBotfree▲362
Grok Bot alternative: free, local, open-source, multiplayer
24d ago · openbot.run · its alternatives →
11
GPT4o Chat▲9
All-in-One AI Tool Online Free
2024 · its alternatives →
12
ChatGPT Plugins▲355
Open AI announced ChatGPT Plugins to access real-world data
2023 · openai.com · its alternatives →
13
Chatgot▲214
Chat freely, got every AI assistants here for you
2023 · chatgot.io · its alternatives →
14
OpenAI o3 and o4-mini▲142
Advanced Visual Reasoning & Agentic Tool Use
2025 · openai.com · its alternatives →
15
Chat Thing▲115
ChatGPT chatbots with your own data (Notion, Web & Files)
2023 · chatthing.ai · its alternatives →
16
AI ChatBot - Ask AI Chat Bot▲6
Explore the future with our AI ChatBot
2024 · apps.apple.com · its alternatives →
17
HelloAI▲112
AI chatbot developed by GPT-4
2023 · apps.apple.com · its alternatives →
18
ai-o▲92
Browse the web and chat with AI, side by side
2024 · ai-o-app.vercel.app · its alternatives →
19
The Ultimate ChatGPT Tools Directory▲96
Find the best curated ChatGPT, chatbots, GPT4 apps & plugins
2023 · chataiapps.com · its alternatives →
20
AI Chatbots in Messengers▲174
GPT-3 technology for Chatbots in popular messengers
2023 · ai-chatbots.pulse.is · its alternatives →
21
Chatpad AI▲142
Not just another ChatGPT user-interface
2023 · chatpad.ai · its alternatives →
22
GPTInsiders.com▲80
Build any AI chatbot with our free template + OpenAI API
2023 · its alternatives →
23
Webapi.ai 3.0▲70
The most advanced GPT3-based chatbot builder
2023 · webapi.ai · its alternatives →
24
Chatgpt 4o▲4
ChatGPT 4o Free and Unlimited
2024 · unlimitedai.org · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →