Tech
The best 4K TVs in 2025

This content originally appeared on Mashable for a US audience and has been adapted for the UK audience.
We're living in a high-definition, super-connected world. It makes sense that 4K smart TVs are now the expected standard for streaming from your favourite apps, up-to-date to gaming, and accessing a whole host of tech-savvy features. Not to mention the fact that 4K resolution looks absolutely incredible across a 50-inch (or bigger) screen.
Let's put it another way: You need a TV that’s up to the task of keeping you entertained while also keeping pace with the latest innovations. But one that comes at a price that suits you, of course. Thankfully, there's no shortage of choice when it comes to 4K TVs. The top manufacturers, such as Samsung and LG, update their smart TV ranges pretty much every year. There's never a bad time to upgrade.
But with an ever-growing selection of TV brands, not to mention all the head-spinning terminology, choosing a new 4K TV isn't always straightforward. If you want the latest spec — and a model that won't look out of date after a few months — it can be hard to navigate. After all, it wasn't so long ago that Full HD was the sharpest resolution on the block. Now it's budget level.
To help put you in the picture, we've pulled together some helpful information and a selection of the best 4K TVs available right now.
What resolution is 4K?
The futuristic sounding 4K is another way of saying ultra-high definition. A 4K TV display has at least 8 million active pixels. That’s a standardised resolution of 3,840 x 2,160 — four times the resolution of the HD standard of 1080p. Top branded TVs will also do a great job of upscaling regular HD and SD content so it looks as polished as possible on your 4K display.
How big are 4K TVs?
When it comes to 4K, bigger is indeed better. And why not? A bigger screen makes sense to get the most out of the 4K quality — and to set these TVs apart from smartphones and small devices, which we increasingly use to watch HD content. The smallest size in 4K is usually 48 inches, going up to 55, 65, 75, and even 80+ inch screens. The screen size is measured diagonally, from corner to corner.
How much do 4K TVs cost?
This very much depends on the spec and manufacturer. It’s possible to find basic (but good quality) models around the £400 mark. You might be surprised to find that for TVs that offer multiple screen sizes, there isn’t a huge price difference between 48 and 65-inch models. It’s when you go past 80 inches that the prices really start to go up.
What’s better, OLED or QLED?
OLED and QLED are the panel technologies behind premium 4K screens. OLED stands for Organic Light Emitting Diode. It uses a carbon-based film between two conductors that emits its own light when electric current is passed through. This creates a “self-emissive” display, as the OLED panel generates light without needing to use a backlight (as used by LCD displays). Its pixels are individually lit.
OLED has whiter whites, because the panel lights itself, and blacker blacks, because the pixels turn off entirely without using a backlight. OLED prevents “hotpsots” (overly bright areas) and “blooming” (when lighter images bleed into dark patches).
QLED stands for Quantum-dot Light Emitting Diode. Championed by Samsung — the world’s biggest manufacturer of televisions — QLED is a type of LCD panel technology. It uses an LCD backlight and quantum dot colour filter that boosts colour and contrast. QLED is renowned for delivering a brighter picture than OLED — which is especially useful if you’re watching in a brightly-lit room. Samsung also has its own version called Neo QLED, which replaces usual LED diodes with ever smaller "mini" LEDs.
What is the best 4K TV for gaming?
If you’re planning on connecting a TV to a PS5 or Xbox Series X, there are features to look out for. Make sure it has HDMI 2.1 ports, which deliver better bandwidth, higher resolution, and higher frame rates. A gaming-friendly TV will also support eARC (Enhanced Audio Return Channel), ALLM (Auto Low Latency Mode), 4K@120Hz (High Frame Rate), HGiG tone-mapping, and VRR (Variable Refresh Rate).
What is the best 4K TV?
We've searched the internet for some of the best 4K TVs. Maybe you're looking for pure power, or maybe you're on a tight budget. No matter what you're looking for, there should be something for you in this list. These 4K TVs are truly eye-popping.
These are the best 4K TVs in 2025.
Tech
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Tech
Anthropic reportedly cut OpenAI access to Claude

It seems OpenAI has been caught with its hands in the proverbial cookie jar. Anthropic has reportedly cut off OpenAI’s access to Anthropic’s APIs over what Anthropic is calling a terms of service breach.
As reported by Wired, multiple sources claim that OpenAI has been cut off from Anthropic’s APIs. Allegedly, OpenAI was using Anthropic’s Claude Code to assist in creating and testing OpenAI’s upcoming GPT-5, which is due to release in August.
According to these sources, OpenAI was plugging into Claude’s internal tools instead of using the chat interface. From there, they used the API to run tests against GPT-5 to check things like coding and creative writing against Claude to compare performance. OpenAI allegedly also tested safety prompts related to things like CSAM, self-harm, and defamation. This would give OpenAI data that it could then use to fine-tune GPT-5 to make it more competitive against Claude.
Unfortunately for OpenAI, this violates Anthropic’s commercial terms of service, which ban companies from using Anthropic’s tools to build competitor AI products.
“Customer may not and must not attempt to access the Services to build a competing product or service, including to train competing AI models or resell the Services except as expressly approved by Anthropic,” the terms read.
OpenAI responded by saying that what the company was doing was an industry standard, as all the AI companies test their models against the competing models. The company then went on to say that it respected Anthropic’s decision but expressed disappointment in having its API access shut off, especially considering that Anthropic’s access to OpenAI’s API remains open.
A spokesperson told Wired that OpenAI’s access would be reinstated for “benchmarking and safety evaluations.”
It’s not the first time this year that Anthropic has cut off API access. In June, the company cut off Windsurf’s API access after rumors that it was being sold to OpenAI. That deal ultimately fell through, but Anthropic’s cofounder, Jared Kaplan, told TechCrunch at the time that “it would be odd for us to be selling Claude to OpenAI.”
Anthropic has also tweaked its rate limits for Claude, which will take effect in late August, with one of the reasons being that a small number of users are violating the company’s policy by sharing and reselling accounts.
Disclosure: Ziff Davis, Mashable’s parent company, in April filed a lawsuit against OpenAI, alleging it infringed Ziff Davis copyrights in training and operating its AI systems.
Tech
Amazon is toying around with putting ads in Alexa+

It’s the end of another quarter, which means it’s time for yet another earnings call with concerning ideas for generating more revenue. This time around, it's Amazon CEO Andy Jassy, who told shareholders on Thursday that there’s “significant financial opportunity” in delivering ads through Alexa+, the company’s new AI-powered voice assistant.
“I think over time, there will be opportunities, you know, as people are engaging in more multi-turn conversations to have advertising play a role — to help people find discovery and also as a lever to drive revenue,” Jassy said, per the investor call transcript.
Since launching earlier this year, Alexa+ has reportedly reached millions of users. Unlike the original Alexa, which mostly turns off lights and sets timers, Alexa+ is designed to be more conversational, context-aware, and AI-driven. It can help you plan your date night, entertain your kids, and even dabble in basic image and video generation — all under the banner of your $14.99/month Prime subscription.
But so far, Amazon Alexa has been an ad-free experience. It's also more than 10 years old, and it doesn't make money; thus, it's been deemed a "colossal failure" by those within the company.
Of course, Amazon isn’t alone in trying to figure out how to make AI pay for itself. Both Google and OpenAI have explored ad integration in their AI products as a way to generate revenue. OpenAI CEO Sam Altman, in particular, has made a notable pivot: once firmly against advertising in his chatbot, he’s since reversed course, possibly opening the door for ads in future versions of ChatGPT.
Whatever the motivation, injecting ads into Alexa+ would mark a major shift in both user experience and Amazon’s strategy, especially given the assistant’s long history of being expensive to maintain and hard to monetize. Ad-supported Alexa+ could be Amazon’s attempt to finally turn its once-money-burning smart assistant into a revenue machine, without hiking the subscription fee (at least for now).
Alexa+ is still new, and what an ad-supported experience would actually look like remains unclear. According to Jassy, the idea is to frame ads as helpful, something to assist customers in discovering products they might be interested in buying.
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