Top best AI assistants you should use

AI assistants are playing an increasingly important role in our lives, helping us summarize content, write code, create playlists, and manage schedules. They not only save time but also boost productivity. If you're looking for the best AI assistant to make life easier, this is the article for you. Below are the TOP AI assistants for both programming and personal use that you should try in 2026.

Comparing the best AI assistants

AI Assistant	Best suited for	Limit	Price
Google Gemini	The need for versatile use and deep integration with Android and the Google ecosystem.	It lacks some features of Google Assistant.	Free, AI Pro package from 132,000 VND/month
ChatGPT	Suitable for everyday use.	Not yet deeply integrated with the operating system.	Free, Plus package from 132,000 VND/month
Microsoft Copilot	Office work, Office 365, Windows 11, and the Microsoft ecosystem.	Their ability to create images and videos isn't particularly outstanding.	Free, Copilot Pro from 132,000 VND/month
Cursor	Programming, real-time code writing support.	Not suitable as an AI assistant for everyday needs.	Free, Pro package from 132,000 VND/month
Perplexity	Research, look up information, and use AI assistants on Android and iPhone.	His voice still sounded quite robotic.	Free, Pro package from 132,000 VND/month
Claude	Powerful programming, integration with third-party tools.	Not yet deeply integrated with the operating system.	Free, Pro plan from $17/month
Siri with ChatGPT	Basic voice assistant for iPhone	Siri's intelligence capabilities are limited.	Free, upgradable to ChatGPT Plus

A detailed review of the best AI assistants.

Google Gemini

When it comes to the best AI assistant currently available, few can surpass Google Gemini. This tool is already available on Android phones and integrates tightly with a range of Google services such as Gmail, Chrome, YouTube, YouTube Music, Google Photos, Google Assistant, Keep, Docs, and many other applications.

Gemini can set alarms, manage calendars, create shopping lists, summarize YouTube videos, and perform many other tasks. In addition, Gemini 3 Pro is a powerful AI model, capable of writing code like a programming assistant, creating images with Nano Banana Pro, or generating AI videos with Veo 3. It's a comprehensive option, and most features are offered for free.

Advantage

1. Deeply integrated with Android and Google apps.
2. Easily synchronize data between multiple devices.
3. A versatile AI assistant.
4. Most features are free.

Disadvantages

1. It lacks some of the traditional features of Google Assistant.

ChatGPT

ChatGPT is another excellent AI assistant, but it lags behind Gemini due to its lack of deep integration with any specific ecosystem.

Nevertheless, people can still set ChatGPT as their default voice assistant on Android to handle basic requests. Recently, ChatGPT has also added app integration support, allowing users to create playlists on Spotify, work with Canva, Zillow, Expedia, and many other services.

In addition, it is an extremely powerful research and programming support tool. ChatGPT's image creation capabilities are also very popular thanks to trends such as Studio Ghibli-style photos.

Advantage

1. Excellent voice mode.
2. It is possible to set it as the default assistant on Android.
3. Supports several third-party applications.
4. Image creation and programming support are excellent.

Disadvantages

1. Not yet deeply integrated with the operating system.

Microsoft Copilot

If you frequently use the Microsoft Office suite or a Windows 11 computer, Copilot will be a reliable assistant.

Copilot works very well and has a similar level of integration with the Microsoft ecosystem as Gemini does with Google. From the Edge browser and Outlook to the Windows taskbar, Copilot is readily available to support everything.

While not particularly outstanding for image or video creation, Copilot is a top choice for business tasks such as creating PowerPoint presentations, processing Excel spreadsheets, or summarizing reports.

Advantage

1. It integrates seamlessly with Microsoft applications.
2. Works deep within Windows 11.
3. The results are consistent.
4. Suitable for office and business work.

Disadvantages

1. Not particularly outstanding in terms of image and video creation skills.

Cursor

An AI assistant doesn't necessarily have to be a tool for setting alarms or planning trips. Cursor is a prime example, acting as an AI programming assistant.

Cursor can understand the entire project, analyze source code, assist in bug fixing, and suggest solutions in real time. Although not a programmer, many industry experts believe that Cursor is highly effective at analyzing project structure, debugging, and implementing features.

Many programmers say that working with Cursor feels like having a senior engineer supporting them.

Advantage

1. Gain in-depth understanding of the projects and codebase.
2. Skilled at debugging and refactoring source code.
3. Real-time programming support.
4. Compatible with a wide range of development environments.

Disadvantages

1. Sometimes unnecessary suggestions are given.

Perplexity

Perplexity is an extremely useful AI research tool, especially for students and anyone needing to find accurate information with accompanying references.

Interestingly, Perplexity also integrates with many default iPhone apps, making it a smarter version of Siri. The tool can play music on Apple Music, find directions using Apple Maps, compose emails, and send them directly to contacts.

Simply install the app and grant the necessary permissions, and everyone can use Perplexity as a true AI assistant on their iPhone.

Advantage

1. Fast and accurate search and research.
2. It integrates well with the default apps on the iPhone.
3. He understands complex questions quite well.
4. Allows you to organize conversations by topic.

Disadvantages

1. Sometimes the answers are too long-winded.
2. In some cases, the source citations are not entirely accurate.

Claude

Claude is a lesser-known but still very popular AI assistant. Claude's strength lies in its ability to handle long and complex questions, then provide clearer answers.

This makes Claude a great choice for people who need creative ideas, content writing, or simply want to chat with AI in a more natural way.

Based on real-world experience, Claude offers many helpful tips and feels more approachable than many other AI chatbots.

Advantage

1. Strong programming skills.
2. They converse naturally, like humans.
3. It generates less misinformation.
4. Direct integration with GitHub.

Disadvantages

1. The original application still has room for improvement.

Siri with ChatGPT

Siri was perhaps the first virtual assistant to usher in the era of AI assistants on mobile devices. However, at the present time, Siri ranks at the bottom of this list.

The reason is quite simple: Siri isn't smart enough compared to modern AI assistants. The tool lacks contextual understanding, struggles with multi-step tasks, and sometimes has difficulty even with basic requests.

Nevertheless, Siri integrates very well with the Apple ecosystem. People can use Siri to control apps and services on their iPhone, iPad, or Mac. Additionally, the integration of ChatGPT helps Siri handle some more complex questions.

Apple is reportedly developing a new version of Siri that is heavily supported by AI and may integrate more deeply with Gemini in the future.

Advantage

1. Available on Apple devices.
2. It enables the integration of tasks between multiple applications.
3. Hands-free support with the "Hey Siri" command.
4. Integrate ChatGPT to answer complex questions.

Disadvantages

1. A newer Apple device is required to use all the features.
2. Many basic tasks are not being handled well.
3. It can be easily confused with multi-step requirements.
4. Its conversational capabilities are limited compared to other AI assistants.