caty app allows users to chat with leading AI models like Claude, GPT, Gemini, and more by connecting their own API keys. Below are 18 ai & ml apps with similar functionality to caty, matched by what each product actually does — not ranked or scored. Explore each to find the closest fit for your use case.
AI Chat Tester is a Windows desktop application that lets users connect to and chat with over 20 major AI language model providers, including OpenAI, Anthropic, Google Gemini, and local models like Ollama. It features real-time streaming, conversation management, and unified API key handling for power users and professionals.
Advanced AI Actions lets users create Siri shortcuts that utilize multiple AI providers, including OpenAI, Anthropic, and Google Gemini. It supports custom provider integration, dynamic model selection, and secure API key storage. Ideal for developers and power users seeking flexible AI automation on iOS.
AI Chatbot - Smart AI Assistant is a Windows desktop application that provides users with access to multiple AI models for chatting, writing, coding, and image analysis. It is designed for users seeking a versatile AI assistant directly on their PC.
Chat AI 5 is a mobile app that leverages multiple advanced AI models to provide voice-first document creation, deep research, and image and video generation. Users can interact hands-free, generate creative content, and receive intelligent answers, making it ideal for those seeking AI-powered productivity and creativity on iOS devices.
Easy Chat AI is a Windows application that brings AI-powered chat and productivity features to the desktop. Powered by GPT-4, it offers intelligent conversations, quick clipboard actions, character-based chats, and local chat history. The app is designed for users seeking AI assistance for writing, summarizing, and creative tasks.
J.AI - AI Friends Chat lets users interact with ultra-realistic AI personalities and create their own AI characters. The app supports unlimited messaging, real-time conversations, and a wide variety of user-generated characters, catering to those seeking entertainment or companionship through AI chat.
Chat Bot - Chat with AI is a Windows application that allows users to interact with leading AI models such as ChatGPT, Claude, and Gemini. It provides instant answers, creative ideas, email drafting, and text summarization, with features like chat history and multilingual support. Suitable for anyone seeking AI-powered conversational tools.
AI Chat 4.0: Open Chatbot 4o is an iOS app that integrates multiple leading AI models to provide chat, writing, translation, image generation, and planning features. It is designed for users seeking AI-powered assistance for daily tasks, creativity, and productivity.
AI Chat is a Windows desktop application that integrates ChatGPT, Gemini, Claude, and DeepSeek, enabling users to write, research, generate images, and optimize their PC. It offers a unified interface for accessing multiple AI models, making it ideal for students, professionals, and anyone seeking AI-powered productivity.
All-in-One AI: Chatbot & Agent is a Windows desktop application that provides a unified interface to interact with various AI chat models, including ChatGPT, Gemini, and Claude. It streamlines workflows for users who frequently use multiple AI assistants.
GO AI Chat 5.0 Video Generator is an iOS app that combines AI chat, image and video generation, and creative tools. It supports multiple AI models and offers features like expert assistants, creative presets, and a smart gallery for users seeking an all-in-one AI-powered creative platform.
AI Chat Assistant – ChatNow is an AI-powered assistant app that helps users write, research, generate images and videos, and code using leading AI models like GPT-5, Claude, Gemini, and more. It offers voice interaction, file uploads, and creative tools for productivity and learning.
ChatHub - All-in-One AI Client provides access to over 20 popular AI models, including GPT-5, Claude, and Gemini, in a single iOS app. Users can chat, upload images, use voice input, and access plugins for web and image tasks. Designed for users seeking versatile AI interactions.
AI Chat 5.0 & Image Generator is an all-in-one AI assistant app offering chat powered by GPT-4o and other models, image generation, translation in 128+ languages, document analysis, and productivity tools. Designed for users seeking versatile AI support.
Poe – Fast AI Chat brings together top AI models like GPT-4, Claude, Gemini, and more in a single app. Users can chat with multiple bots, generate images and videos, and create custom chatbots. Designed for productivity, creativity, and exploring the latest AI capabilities on iOS.
CaptionAI is a Windows desktop app that uses AI to generate ready-to-use posts, captions, hashtags, images, and videos for platforms like Instagram, Facebook, TikTok, and more. It supports multiple AI providers, works locally with optional cloud sync, and is designed for social media managers and content creators seeking efficient, tailored content creation.
AI Chat - My Assistant Pro is an AI-powered chatbot app that helps users with writing, problem-solving, homework, and daily tasks. It features text-based chat, photo-based problem solving, and integrates with GPT-4 for instant, personalized assistance.
AI Discussion is a Windows desktop application that allows users to send questions or tasks to multiple AI models, enabling them to debate, analyze, and refine ideas collaboratively. It supports generating reports, scripts, and prototypes based on AI conversations, ideal for research and brainstorming.