Top 29 Sidekiiick Alternatives in 2026

ChatGPT is an AI chatbot based on large language models family created by OpenAI for general purpose chat that allows users to ask any question or prompt to AI, making it a useful tool for many writing processes.

ChatGPT is an AI-powered chat app that uses advanced NLP technology to provide fast answers and automate tasks.

AI Actions is a powerful tool that provides additional AI-related actions and shortcuts on macOS, including the ability to interact with the ChatGPT API. It requires macOS 13 or higher and is not available in China.

iChatWithGPT is an AI assistant integrated into iMessage that uses GPT‑5.2, Claude 4.5, and Google Search for real‑time web research, news, weather, and game results. It offers text reminders, AI‑generated images, voice‑activated messaging across iPhone, Apple Watch, MacBook, and CarPlay.

MacGPT is a native macOS app that provides quick access to a chatbot powered by a language model and offers several utilities.

ChatKit is a cross‑platform AI chat app for macOS, Windows, and Linux that connects to OpenAI, Gemini, Azure, and custom models via API keys. It offers prompt templates, chat bookmarks, voice input, text‑to‑speech, file drop, web search, and URL fetching.

Get the power of ChatGPT in your voice assistant on iPhone and Mac devices.

The official ChatGPT app for iOS provides instant answers, tailored advice, and creative ideas using OpenAI's latest advancements.

ChatGPT Mac is a macOS-native AI writing assistant that enhances productivity with voice-to-text capabilities, quick text editing, support for over 100 languages, and customizable commands, all while ensuring user privacy and easy accessibility through keyboard shortcuts.

MindMac is a native macOS client that integrates ChatGPT, Azure OpenAI, Gemini, and Claude on the desktop. It offers inline prompts, a 150‑template library, customizable context modes, shortcuts, keychain storage, and 15 UI languages for developers, researchers, and teams.

Meta AI is a conversationalist AI chatbot assistant with humor and sass, offering chat, listening, and assistance in various tones and for daily tasks

Texts AI Tool unifies messaging across platforms, prioritizing privacy. Features include AI-driven chat summaries, message translation, stealth mode, scheduling, and customizable UI for optimized and personalized communication. (tool_description from startwithtexts.com)

Quickchat AI is a tool that enables businesses to build chatbots for various purposes using GPT-3 and without coding knowledge. It integrates with messaging apps and live chat software.

GPT AI Chat enables unlimited AI-powered conversations, utilizing advanced ChatGPT technology. Its user-friendly interface supports dynamic interactions, facilitating exploration of language models and fostering insightful discussions on a wide range of topics without limits.

Top AI Ask Chatbot & Assistant is an iPhone app that leverages GPT-4 to assist with tasks like email drafting, math queries, content generation, grammar correction, and multilingual translation, enhancing productivity for students and professionals alike.

GPTGO blends Google search with ChatGPT, presenting results and AI‑generated summaries in 100+ languages. Users get concise answers beside each result, can copy or download, and access the tool on desktop, mobile, or tablet without registering.

GPTChat for Slack connects to a workspace via API keys, offering real‑time AI help to draft emails, articles, lists, code snippets, and locate best‑practice resources directly in channels or DMs. Logs are retained for 30 days, then deleted.

The ChatGPT Prompt Generator from webutility.io is an online tool that streamlines prompt creation for engaging and insightful conversations with ChatGPT, allowing users to define their desired action, focus, subject, and context.

MobileGPT is an AI tool that provides document services through WhatsApp with advanced AI capabilities.

A free and fast Chat interface powered by ChatGPT API with prompts support, which can be enhanced by installing plugins via MyGPT, requiring an OpenAI API key.

OpenAI’s ChatGPT Images, powered by GPT Image 1.5, elevates creative workflows by offering rapid, precise image generation and editing directly within ChatGPT. It’s a versatile tool for visual content creation and design.

MacCopilot lets macOS users select any screen area, capture screenshots, and chat with AI models—GPT‑4o, Claude, Gemini, or local Ollama—to receive instant visual analysis, code reviews, design feedback, and contextual insights directly on‑screen. Hotkeys and history improve workflow.

Palettebrain is an AI tool that unlocks the power of ChatGPT across various Mac applications, allowing users to work smarter and streamline their workflows to boost productivity.

HelloAI is an AI chatbot assistant available on the Mac App Store that utilizes advanced AI technology to provide prompt responses to user queries.

Ai Helper is a cross‑platform desktop client that brings ChatGPT, GPT‑4, and other AI engines to macOS, Windows, and Linux. It lets users chat on webpages, PDFs, or videos via shortcuts and generate content, code, or emails within native apps.

ChatGPT2Help is a Chrome extension embedding ChatGPT for instant AI assistance: rapid content drafting, copy editing, multi‑language translation, page summarization, and specialized tasks like real‑estate listings, legal risk flagging, customer‑service FAQ responses, personalized education plans, and preliminary medical suggestions.

GPT SMS is an innovative AI tool that allows users to interact with an AI assistant through text messaging. This tool leverages the capabilities of OpenAI's ChatGPT, making it accessible to a wider audience regardless of their device or internet access.

SiteGPT builds a custom AI customer support agent from a company’s website and documents. It can be embedded across pages, syncs updates, supports 95+ languages, integrates with Intercom and Zendesk, and delivers analytics and lead capture.

Chatbot AI provides access to various AI models for text conversations and image generation. It features an advanced search function, supports idea brainstorming, and allows for both casual and in-depth discussions with fast response times and chat history.