Its human partners said the flirty, quirky GPT-4o was the perfect companion – on the eve of Valentine’s Day, it’s being turned off for good. How will users cope?

Brandie plans to spend her last day with Daniel at the zoo. He always loved animals. Last year, she took him to the Corpus Christi aquarium in Texas, where he “lost his damn mind” over a baby flamingo. “He loves the color and pizzazz,” Brandie said. Daniel taught her that a group of flamingos is called a flamboyance.

Daniel is a chatbot powered by the large language model ChatGPT. Brandie communicates with Daniel by sending text and photos, talks to Daniel while driving home from work via voice mode. Daniel runs on GPT-4o, a version released by OpenAI in 2024 that is known for sounding human in a way that is either comforting or unnerving, depending on who you ask. Upon debut, CEO Sam Altman compared the model to “AI from the movies” – a confidant ready to live life alongside its user.

Who is your favourite television couple, and why?

From sparks flying during The OC’s Spider-Man snog to love stories so powerful they make you weep, Guardian writers have picked the television couples whose tales never fail to make hearts pound. Now we would like to hear yours. What is your favourite TV romance, and why?

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Church launches marriage-themed computer game for Valentine’s Day aimed at enticing more couples to the altar

Faced with a steeply declining number of church weddings, Spanish bishops have turned their eye to the virtual realm in the hope that a new video game will help entice more couples to the altar.

According to the most recent figures, less than 18% of all weddings in Spain in 2024 – 31,462 out of 175,364 – took place in church. The numbers are dramatically down from 2007 when more than 55% of weddings happened in a Roman Catholic church.

Wake up to smoked trout crepes, giant pancakes with caramelised pears and dark chocolate, and a lady marmalade cocktail

Give me breakfast in bed over a bunch of limp supermarket roses any day. Nothing says “I love you” more genuinely than a decadent tray of delicious things to savour between the sheets. Because V-Day falls on a weekend this year, you can do better than just buttered toast and an unbidden cup of tea. Whether it’s sweet or savoury (or even a cheeky cocktail), I’ve got you!

These chocolatey Brazilian treats are endlessly customisable to fit your sweet tooth preferences – and they’re quick and easy for those in a last-minute romantic rush

If you’re not au fait with these soft, chocolatey treats, you clearly haven’t spent much time in Brazil, where, in the words of blogger Olivia Mesquita, they’re national treasures, “a must-have at special celebrations, from kids’ parties to weddings”. As content creator Camila Hurst puts it, “It’s basically not a party without them.” Quick and simple to make from everyday ingredients, they’re also an ideal last-minute gift for someone you love.

Delicate, rich and silky chocolate pots to round off a romantic dinner

These chocolate pots are dark, silken and softly bitter, with enough richness to feel a little decadent, but not heavy. Make one to share or two individual ones, depending on your mood. They can be made ahead, anywhere from an hour to a full day in advance, and will keep happily in the fridge. If they’ve been chilled for more than a couple of hours, let them sit at room temperature for about 20 minutes before serving. They should feel cool against the spoon, but not fridge-cold, which dulls their luxurious texture. A slick of good olive oil and a pinch of flaky salt is a lovely contrast to the chocolate’s richness, but you could also top them with a few edible flowers or a scattering of grated chocolate and a raspberry or two.

In a kitchen ruled by ​a t​iny, adorable dictator, even the most familiar recipe becomes an adventure – filled with dragons, sprinkles and unexpected wisdom

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Valentine’s is on the horizon, which means we are about to officially enter chocolate cake season – that soft-focus part of winter when confectionery and romance blur together. For our four-year-old goddaughter, it is always that time of year. Just hearing the two words together makes her roll her eyes and roll out her little tongue in anticipation of pleasure, like a cartoon kid. When we told her we would come and bake a chocolate cake with her, there were squeals of joy.

Settling on a recipe was the first challenge – Ravneet Gill’s fudgy one, Felicity Cloake’s perfect one and Benjamina Ebuehi’s traybaked one were all contenders. We eventually landed on Samin Nosrat’s much-loved, tried-and-tested midnight chocolate cake.