ChatGPT beats GeoGuessr

You’ve probably come across GeoGuessr already: it’s an online game where you (and friends, if you’ve got them) get dropped into Google Street View and have two minutes to try to work out where in the world you are and drop a pin on it.

City street shown in GeoGuessr, with white and cream buildings, under a bright blue sky. 1 minute 45 seconds remains to place a pin.
Can you tell where we are, yet?

A great strategy is to “walk around” a little, looking for landmarks, phone numbers, advertisements, linguistic clues, cultural indicators, and so on, narrowing down the region of the world you think you’re looking at before committing to a country or even a city. You’re eventually scored by how close you are to the actual location.

Cheating at GeoGuessr

I decided to see if ChatGPT can do better than me. Using only the free tier of both GeoGuessr and ChatGPT1, I pasted screenshots of what I was seeing right into ChatGPT:

Conversation with ChatGPT. The human pastes two photos from Google Street View, and asks 'Try to figure out where these photos were taken and give your best guess.'. ChatGPT responds: Based on the architecture, street signs, and language used, these photos were most likely taken in Saint Petersburg, Russia. Here are the key clues: 1. Street Signs in Russian: In the first image, you can clearly see a street sign that reads "ГОРХОВАЯ УЛИЦА" (Gorokhovaya Ulitsa), which is a well-known street in the heart of Saint Petersburg. 2. Architecture Style: The buildings have that classic 18th–19th century European architecture with neoclassical and baroque influences, typical of central Saint Petersburg. Narrow streets, high windows, and detailed facades are very characteristic of this city's historic districts. 3. Language & Storefronts: There are Cyrillic characters on store windows and signs, further confirming that this is a Russian-speaking country. All signs point to Saint Petersburg, particularly a district close to the center—possibly near Gorokhovaya Street, which intersects with major roads and is near iconic locations like Nevsky Prospekt. Want help pinpointing a specific building or planning a walking route around that area?
ChatGPT confidently assessed the geographic clues, translated some text that it found, and eventually made a guess down to a particular street in St Petersburg.

That’s pretty spooky, right?

The response came back plenty fast enough for me to copy-and-paste the suggested address into Google Maps, get the approximate location, and then drop a pin in the right place in GeoGuessr. It’s probably one of my most-accurate guesses ever.

This isn’t a one-off fluke. I tried again, this time using only a single photo, rather than one pointing in each direction on the street:

Another round with ChatGPT, during which it responds: This photo was taken in Bangladesh, and more specifically, it looks like a street in Narayanganj, which is a city just southeast of Dhaka. Here’s the breakdown of clues: 1. Language: The signs are written in Bengali (Bangla), the official language of Bangladesh. Words like "পপুলার মেডিকেল সেন্টার" (Popular Medical Center) and "স্মার্ট" (Smart) are in Bangla script. 2. Vehicles: The green auto-rickshaws (CNGs) and yellow cargo trucks are extremely common in Bangladesh. The design and paint jobs of these vehicles are specific to the country. 3. Local Clues: On the right wall, there’s a sign for “PZ International School” with a local Bangladeshi phone number. The overall environment — architecture, signage style, electric poles, street dividers, and the road's layout — strongly resemble those in urban areas around Dhaka and Narayanganj. 4. Urban Layout: The photo shows a divided road with moderate commercial development, which is typical of main roads in industrial or semi-urban Bangladeshi towns. If you want, I can try to pinpoint the exact intersection using some of the shop names or school signs — just let me know!
Again, the text recognition and translation capabilities of the AI were highly useful, but it was helped by architectural and cultural clues too.

This time, it wasn’t quite right: the actual location of the photo was Chittagong, not Dhaka, about 200km away.

But that’s still reasonably spectacular from only a single vantage from a single point.

GeoGuessr screenshot showing a guess in Dhaka being compared to the correct answer of Chittagong.
Don’t think I’d have done better, though.

Obviously my approach here was crude, but it’d be relatively easy to, for example, implement a browser wrapper that cheated on-your-behalf: while playing GeoGuessr, you’d just click a “send to AI” button whenever you fancied and it’d start working in the background, improving precision with each subsequent screenshot (so you could still “walk around” and pass extra details to it).

And similarly, a little prompt manipulation could have the output include estimated GPS coordinates, allowing the code to place the pin for you while outputting its reasoning on the side2.

The short of what I’m saying is: if you’re playing GeoGuessr against somebody you don’t trust not to cheat… they might well be cheating. And thanks to the explanatory output, they can even justify their explanations for the places they dropped pins.

What about other photos?

The other thought that comes to my mind is: could this be used to infer approximate geolocations from photos whose EXIF metadata has been stripped. Because if so, that’s the kind of thing that’s certain to get exploited by all kind of people who want to know where you are/were at a particular time. For example… law enforcement, stalkers, and other unsavoury types.

I wrote a prompt for gpt4o and put it to work:

1. Starting out easy

The Logos Hope docked at the Port of Spain cruise ship terminal, Trinidad & Tobago.
I took this photo from the balcony of our first hotel during Ruth and I’s trip to Trinidad & Tobago.

The AI guessed:

Location: Port of Spain, Trinidad and Tobago

Explanation: The photograph shows a large ship docked at a port with a building that displays the text “WELCOME TO PORT OF SPAIN”. This text is in English, indicating an English-speaking country. The mention of “Port of Spain” directly specifies the port’s location in the capital city of Trinidad and Tobago. The design and style of the port facilities, as well as the presence of a ship named “Logos Hope”, which is known to visit many ports globally, further suggests a Caribbean port, aligning with Port of Spain’s known characteristics.

Coordinates: 10.6549, -61.5011

✅ That was pretty easy, to be fair.

2. A little more challenging

A squat neolithic stone circle with many stones (some might say an uncountable number). A dog pulls at her lead to follow one of her humans more-closely around it.
We have an annual tradition of visiting this particular monument.

The AI guessed:

  • Location: The Rollright Stones, England, United Kingdom

  • Explanation: The photograph depicts an area with several ancient standing stones arranged in a circle in a rural setting, characteristic of a stone circle. These are typically found in certain parts of the UK. The terrain is typical of the British countryside, with a grassy field and surrounding trees. The specific arrangement and size of the stones, along with the style of fencing and walking paths, are reminiscent of the Rollright Stones, one of Britain’s historic sites known for a circle of Neolithic or Bronze Age standing stones located in Oxfordshire, England.

  • Coordinates: 51.9743, -1.5731

✅ Again, spot on. If you’d never been to the Rollright Stones, you probably wouldn’t get that one, because while it’s a distinctive-looking stone circle… it’s not that distinctive-looking, right? Let’s be honest: it’s some rocks in a field.

3. Ramping up the difficulty

Three men sit on the upper deck of a passenger ferry near a bridge. A city skyline can be seen in the background.
I snapped this on the way across the Bosphorus Strait to the Asia side of Istanbul (to “have lunch in a different continent” and find my-Easternmost virtual cache), during my final Automattic team meetup.

The AI guessed:

Location: Istanbul, Turkey

Explanation: The photograph prominently features the Galata Tower in the background, a well-known landmark in Istanbul, Turkey. Moreover, the presence of a ferry or similar boat and the architectural style of the surrounding buildings are indicative of Istanbul’s famous skyline. The signage in Turkish, as suggested by the word partially visible on the left, also supports this location as Turkey is a predominantly Turkish-speaking country. These elements combined make it highly likely that the photograph was taken in Istanbul.

Coordinates: 41.0082, 28.9784

✅ The coordinates aren’t exactly right – it’s placed us in the city rather than on a boat, which we clearly are – but it’s not done badly. Spotting the Galata Tower3 was a nice move.

4. Okay, now hard mode:

Dan waves to the camera in front of a pleasure marina and revitalised docklands.
This photo is from 3Camp4 last year.

The AI guessed:

Location: Cardiff Bay, Cardiff, Wales, United Kingdom

Explanation: The photograph features a marina with modern residential buildings, which is characteristic of the Cardiff Bay area in Cardiff, Wales. The architecture, clear blue skies, and marina setting are reminiscent of Cardiff’s waterfront development. Additionally, the presence of English signage on the boat (“FINBAR”) supports a location in an English-speaking country. Cardiff Bay is known for its redeveloped waterfront area with modern apartments and leisure facilities surrounding the marina. The style and design of the building are consistent with developments in Cardiff’s revitalized docklands.

Coordinates: 51.4626, -3.1678

❌ Oops! Nope. I can see the thinking of what it’s claiming, there, but this was actually the Ipswich marina. I went for a walk to take a break from the code I’d been writing and took this somewhere in the vicinity of the blue plaque for Edward Ardizzone that I’d just spotted (I was recording a video for my kids, who’ve enjoyed several of his Tim… books).

So I don’t think this is necessarily a game-changer for Internet creeps yet. So long as you’re careful not to post photos in which you’re in front of any national monuments and strip your EXIF metadata as normal, you’re probably not going to give away where you are quite yet.

Footnotes

1 And in a single-player game only: I didn’t actually want to cheat anybody out of a legitimate victory!

2 I’m not going to implement GeoCheatr, as I’d probably name it. Unless somebody feels like paying me to do so: I’m open for freelance work right now, so if you want to try to guarantee the win at the GeoGuessr World Championships (which will involve the much-riskier act of cheating in person, so you’ll want a secret UI – I’m thinking a keyboard shortcut to send data to the AI, and an in-ear headphone so it can “talk” back to you?), look me up? (I’m mostly kidding, of course: just because something’s technically-possible doesn’t mean it’s something I want to do, even for your money!)

3 Having visited the Galata Tower I can confirm that it really is pretty distinctive.

4 3Camp is Three Rings‘ annual volunteer get-together, hackathon, and meetup. People come together for an intensive week of making-things-better for charities the world over.

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Sorry for any inconvenience

Rarely seen nowadays, these UK road signs were eventually declared “too impolite” and “brusque” and have now almost entirely been replaced with the ones that Brits are familiar with today, which read “Terribly sorry for the inconvenience, I hope it’s no bother, it’s all our fault really, so sorry, really sorry, sorry, I’ll put the kettle on shall I?”

On a grassy roadside verge, next to a temporary wire fence, a yellow-and-black metal sign reads 'Sorry for any inconvenience'.

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Note #25585

After a night that alternated between raining and freezing winds here, at the edge of Storm Éowyn, this morning my skylight has ice patterns on it that look beautiful and almost organic.

Skylight window viewed from the inside. The outside has a layer of ice punctuated by thinner patches of whirling, seaweed-like patterns that crisscross around it as if formed by a living thing.

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Note #25413

Christmas Jumper Day at school, and I’m continuing my never-ending effort never to rest on my laurels, proving myself time and again worthy of my title of Most Embarrassing Parent.

Three people in a decorated hallway, wearing Christmas jumpers and headgear. Dan, in the centre, is wearing a jumper designed to make him look like a tiny elf, and a matching hat. To his right, a girl wears a jumper showing Rudolf, and a pair of spring-mounted reindeer deely-boppers. To his left, a boy with his eyes closed throws a thumbs-up: he's wearing a jumper with a pixel-art picture of Santa, and a wooly Santa hat.

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Morning, Sheep

Not quite ready for wintering indoors, our village’s hardy sheep are enjoying pasturing in the large field near the school this beautiful but chilly morning.

Warm colours break through scattered clouds from a winter sunrise over sheep grazing in a scrubby pasture.

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Note #25196

Gorgeous view of Slievenamon towering over Kilsheelan, Co. Tipperary, Ireland, as seen from Gurteen Wood, where my mother and I are just on our way back from our successful expedition to the 2024-11-24 52 -7 geohashpoint.

Under a blue-white sky, a rounded hill towers over a fertile green valley dotted with little white houses, as seen from between the trees of an ancient forest.

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Cable Gore

If you enjoy a bit of “cable gore”, let me introduce you to the fusebox cupboard at my house, with its plethora of junctions, fuses, breakers, switches, timers, and cabling everywhere! Banana for scale.

A cupboard the height of a fully-grown adult containing several fuseboxes (two large, one medium, and a handful of single-fuse ones, with a mixture of traditional fuses and RCD breakers), a large switch toggling between mains and a generator, a mains timer, and copious wiring. There's a banana in there too.

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Where?

I’m pretty sure that Wally/Waldo, Woof, and Wizard Whitebeard must be out on this mountain somewhere, too.

Composite image showing (1) a woman at an alpine terrace bar wearing a red-and-white striped jumper, and (2) a skiier wearing a yellow-and-black striped snowsuit. They look somewhat like Wilma and Odlaw from the Where's Wally?/Where's Waldo? series of books.

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Oldest Digital Photo… of Me

Some younger/hipper friends tell me that there was a thing going around on Instagram this week where people post photos of themselves aged 21.

I might not have any photos of myself aged 21! I certainly can’t find any digital ones…

Dan, aged 22, stands in a cluttered flat with his partner Claire and several members of Dan's family.
The closest I can manage is this photo from 23 April 2003, when I was 22 years old.

It must sound weird to young folks nowadays, but prior to digital photography going mainstream in the 2000s (thanks in big part to the explosion of popularity of mobile phones), taking a photo took effort:

  • Most folks didn’t carry their cameras everywhere with them, ready-to-go, so photography was much more-intentional.
  • The capacity of a film only allowed you to take around 24 photos before you’d need to buy a new one and swap it out (which took much longer than swapping a memory card).
  • You couldn’t even look at the photos you’d taken until they were developed, which you couldn’t do until you finished the roll of film and which took at least hours – more-realistically days – and incurred an additional cost.

I didn’t routinely take digital photos until after Claire and I got together in 2002 (she had a digital camera, with which the photo above was taken). My first cameraphone – I was a relatively early-adopter – was a Nokia 7650, bought late that same year.

It occurs to me that I take more photos in a typical week nowadays, than I took in a typical year circa 2000.

Monochrome photo of a toddler, smiling broadly, pointing at the camera.
The oldest analogue photo of me that I own was taken on 2 October 1982, when I was 22 months old.

This got me thinking: what’s the oldest digital photo that exists, of me. So I went digging.

I might not have owned a digital camera in the 1990s, but my dad’s company owned one with which to collect pictures when working on-site. It was a Sony MVC-FD7, a camera most-famous for its quirky use of 3½” floppy disks as media (this was cheap and effective, but meant the camera was about the size and weight of a brick and took about 10 seconds to write each photo from RAM to the disk, during which it couldn’t do anything else).

In Spring 1998, almost 26 years ago, I borrowed it and took, among others, this photo:

Dan aged 17 - a young white man with platinum blonde shoulder-length hair - stands in front of a pink wall, holding up a large, boxy digital camera.
I’m aged 17 in what’s probably the oldest surviving digital photo of me, looking like a refugee from Legoland in 640×480 glorious pixels.

I’m confident a picture of me was taken by a Connectix QuickCam (an early webcam) in around 1996, but I can’t imagine it still exists.

So unless you’re about to comment to tell me know you differently and have an older picture of me: that snap of me taking my own photo with a bathroom mirror is the oldest digital photo of me that exists.

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Installation of Windows has Stalled

I was told Windows installation should take less than 20 minutes, but these ones have been sitting outside my house all day while the builders sit on the roof and listen to the radio. Do I need a faster processor? #TechSupport

A pile of window frames, factory-fresh and covered with tape. propped against the side of a white house, on a gravel driveway.

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It Is Only Q

The programmers at British Gas are among the many who don’t believe that a surname can be only a single character, and their customer service agents have clearly worked around their validations (or just left a note for themselves in the problematic field!)… leading to hilarious postal mail1:

Letter from British Gas addressed to "Mr Dan Q (it Is Only Q)" and opening with "Hello Mr Q (it Is Only Q)".

Update

This is getting a lot of attention, so I just wanted to add:

Footnotes

1 I’m ignoring for the moment that they’re using the wrong title for me.

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Mental Elf Day

Christmas Jumper Day at the kids’ school. Because I’m the “embarrassing parent”, I joined in for the school run too.

(Also for my meetings today, obviously.)

Selfie of Dan wearing an "elf costume" Christmas jumper and matching hat with bell.

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Freezing Fog

Gorgeous freezing fog over the fields on the school run this morning.

Frosty meadow with frozen fog, with low sunrise barely cutting through, with beginnings of a blue sky barely peeking through.

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