DeepSeek AI is the hot new chatbot everyone is using

Galaxy S25 Ultra could fix its biggest missing feature, Nvidia RTX 5000 pricing leaks, and more
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January 27, 2025
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Artificial intelligence
DeepSeek is the new AI bot topping the app charts
We've been putting DeepSeek to the test (Future)
Watch out, OpenAI: new from China is DeepSeek, a completely free AI chatbot that's currently topping the app store charts in both the US and the UK. DeepSeek already stacks up pretty well against ChatGPT, but seems to be struggling under the demand.
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Android
The Galaxy S25 Ultra could fix its S Pen problem
The new Samsung Galaxy S25 Ultra, with its S Pen (Future)
You may have noticed that the Galaxy S25 Ultra got a downgrade this year, with Bluetooth capabilities removed from the bundled S Pen – but a new leak suggests Samsung might fix the problem by selling a Bluetooth-enabled stylus separately.
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iPhone
A leaked iPhone SE 4 video shows up online
The 3rd-gen iPhone SE, launched in 2022 (Future)
We have what could be our first look at the iPhone SE 4 – or a very convincing dummy unit. A newly leaked hands-on video supposedly shows off the phone with its iPhone 14-style redesign, though there's no sign of the previously rumored Dynamic Island.
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Today's best deals, hand-picked by TechRadar's experts
Computing
The latest Nvidia RTX 5000 price rumors are worrying
The latest Nvidia RTX cards could be very expensive (Future)
Our excitement about the new Nvidia RTX 5000 graphics cards would certainly be tempered if these GPUs ended up costing vast sums of money – and the latest supply chain rumor suggests you might have to pay high prices to get hold of them.
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Gaming
Xbox games are coming to the Nintendo Switch 2
Halo Infinite could be heading to the Nintendo Switch 2 (Xbox Game Studios)
We're patiently counting the days down to April, when we'll hear more from Nintendo on the Switch 2, but Microsoft Gaming CEO Phil Spencer has given us a bit more information about what to expect: the handheld will apparently support Xbox games.
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