In recent years, artificial intelligence (AI) has become one of the most widely used technologies in everyday life, education, business and the technology sector. Today, millions of people use AI to search for information, create text, translate content, write computer code and solve a wide range of tasks.
As AI technology continues to advance, new models designed for different purposes are emerging. Among them are several AI assistants that stand out for their capabilities and widespread global adoption. This article looks at five of the world's most widely used AI models.
1. ChatGPT (OpenAI)
ChatGPT is an AI assistant developed by OpenAI. It answers users' questions, generates text, translates content, assists with writing computer code and explains complex topics.
ChatGPT is widely used in education, business, content creation and software development.
Key capabilities:
- Answering questions;
- Writing articles, letters and other types of text;
- Translating content;
- Writing code and identifying errors;
- Summarizing and analyzing text;
- Assisting with generating ideas and planning;
- Creating and editing images.
2. Google Gemini (Google)
Google Gemini is an AI model developed by Google. It can work with text, images and computer code.
Gemini is used for information search, text generation, data analysis and helping users complete everyday tasks. One of its main advantages is its integration with Google's services.
Key capabilities:
- Answering questions;
- Searching for and analyzing information;
- Writing and editing text;
- Analyzing images;
- Writing and explaining code;
- Assisting with planning.
3. Claude (Anthropic)
Claude is an AI assistant developed by Anthropic. It is particularly known for working with large volumes of information, analyzing complex documents and generating computer code.
Developers also use Claude to write code, analyze existing software, identify errors and solve technical problems.
Key capabilities:
- Analyzing long documents;
- Summarizing and explaining information;
- Preparing articles and reports;
- Writing and reviewing code;
- Identifying coding errors;
- Assisting with solving complex problems.
4. Microsoft Copilot (Microsoft)
Microsoft Copilot is an AI assistant developed by Microsoft. It works with Microsoft 365 applications, including Word, Excel, PowerPoint and Outlook.
Copilot is used to prepare documents, analyze data, create presentations and streamline workplace tasks.
Key capabilities:
- Preparing documents;
- Creating presentations;
- Analyzing Excel data;
- Drafting emails;
- Writing and editing code;
- Improving workplace productivity.
5. Grok (xAI)
Grok is an AI-powered assistant developed by xAI. It is used to answer questions, search for information and generate various types of content.
One of Grok's main features is its connection with X, formerly Twitter, which enables it to work with information related to current events.
Key capabilities:
- Answering questions;
- Providing information on current events;
- Creating text and other content;
- Writing and explaining code;
- Assisting with research and analysis.
Moonshot AI Introduces a New AI Assistant
New competitors are also entering the AI market. In July 2026, China's Moonshot AI introduced its new Kimi K3 model.
According to Reuters, the company presented Kimi K3 as one of the world's largest open-source AI models. Kimi K3 is designed to generate text, analyze information, write computer code, process long documents and help solve complex problems.
