He's doing your math homework.
He can answer your job interview questions.
He can even be your therapist.
It seems that artificial intelligence (AI) can do everything with just the push of a button.
This technology is developing at record speed, while competing platforms are trying to catch up with each other by continuously releasing new and more advanced features.
ChatGPT is among the fastest-growing technology applications in history, reaching more than a million users in just five days of launch and up to 100 million in two months, according to the International AI Security Report compiled by governments of 30 countries and members of the UN, EU and OECD.
Microsoft, which launched its own AI assistant, Ko-Pilot, in 2023, said it expects revenue from its AI business to exceed $10 billion by the second quarter of 2025 and has expanded its own data centers to 60 regions around the world.
And Google AI Overviews, which offers AI-generated stories at the top of its search results, has 1,5 billion monthly users in more than 200 countries and territories, according to Google parent company Alphabet CEO Sundar Pichai.
Experts say this technology is here now and won't go away, so we asked an expert how to best use it.
Canadian computer scientist Sasha Luciani is working on climate issues at Hugging Face, a global startup that works with open-source artificial intelligence models and whose creators aim to "democratize good machine learning."
"I see artificial intelligence as an enhancer - both the good and the bad in people - but we have to make sure we still have control over it," she told BBC 100 Women.
These are four questions she suggests we ask ourselves before we start using artificial intelligence.
1. Is this the best AI tool for what you need?
Artificial intelligence systems are capable of doing very different things, says Luciani.
"Sometimes we'll turn to the most popular AI tools because we know them well and because they can do a variety of things, but often there are others that are designed to do specific tasks - like answering scientific questions - that would actually do the job better."
One app allows users to simply take a photo of their math problem and it will solve it.
Another more specialized app offers to analyze your sourdough bread to improve the recipe, while another generates personalized prayers based on a range of scriptures.
According to the 2025 AI Report Index from Stanford University, US institutions produced 40 prominent AI models this year, compared to China's 15 and Europe's three.
Familiarize yourself with the offer and choose the right one based on your needs.
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2. Can you trust the answers of artificial intelligence?
Artificial intelligence might give you an answer, but it's not necessarily accurate or true, says Luciani.
"AI models can invent things that don't exist just because they sound plausible. That can cause a lot of problems when you use them at work or school," she says.
To avoid this, she recommends always checking the results of the AI system.
"Read them again carefully and think critically about what it's saying and whether it makes sense. Artificial intelligence can sound confident — and still be wrong."
3. What information should I share?
Users need to think about the information they feed into an AI model, as well as the information that comes out of it, says Luciani.
Artificial intelligence systems work by collecting large amounts of data and using it to train models.
This means that the information you enter, whether it's a photo or text, could be stored, analyzed, or used by the system to influence future responses.
Each platform will have its own privacy policy, so check their terms before using them.
"If it's personal, or sensitive, or just mildly embarrassing data, don't feed it into an AI model because it could end up on the internet," adds Luciani.
She points to the Meta AI app, where some users were unaware that their prompts were being published to the public 'Discover' feed.
The BBC has found examples of people uploading photos of test questions from school or university, searching for sexual images or seeking advice about their gender identity.
In 2023, Italy became the first Western country to block the advanced chatbot ChatGPT out of privacy concerns and its compliance with the General Data Protection Law.
South Korea, Australia and the US have also expressed concerns about how DeepSeek, a Chinese chatbot, stores and processes user data.
4. Do I really need artificial intelligence?
Use artificial intelligence as a tool, not as a replacement for your brain, says Luciani.
Think carefully about whether this is a task you could do on your own, or with the help of other tools such as a calculator for complex mathematical problems.
She also recommends relying on the people around us for help with ethical and personal issues.
"AI cannot make decisions based on human values like what is right, what is wrong, what is ethical in a given situation, and we should not allow it to make those kinds of decisions," she says.
Artificial intelligence also uses much more energy and resources than traditional browsers.
Data centers that house computer servers used by artificial intelligence require huge amounts of water to stay cool, which could exacerbate water supply problems around the world.
"AI tools will definitely be with us for a long time to come – especially as we become more and more present and active on the internet and social media," says Luciani.
"But that doesn't mean we have to use AI for everything in our lives, which will cause us to lose the very things that make us human in the first place - creativity, connection, community."
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