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Simon Willison's Weblog Supports Webmention

The surprise deprecation of GPT-4o for ChatGPT consumers

I've been dipping into the r/ChatGPT subreddit recently to see how people are reacting to the GPT-5 launch, and so far the vibes there are not good. This AMA thread with the OpenAI team is a great illustration of the single biggest complaint: a lot of people are very unhappy...

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Jason Kottke

The Danish post office will stop delivering mail (but not parcels) at...

The Danish post office will stop delivering mail (but not parcels) at the end of 2025. “Letter volumes have decreased by over 90 percent since 2000”. But over 100 million letters were delivered in 2024…that’s still a tremendous number.

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Radiolab Updates instantly via WebSub
• WNYC Studios

The Menopause Mystery

38:58
Until recently, scientists assumed humans were the only species in which females went through menopause, and lived a substantial part of their lives after they were no longer able to reproduce. And they had no idea why that happens, and why evolution wouldn’t push females to...

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Jason Kottke

“New FBI data shows that both violent crime and property crime are...

“New FBI data shows that both violent crime and property crime are at their lowest level since the 1960s” but the media disproportionately covers crime, so most Americans aren’t aware of the decrease.

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Jason Kottke

Why wildlife crossings and crucial for animals and humans: they embiggen habitats...

Why wildlife crossings and crucial for animals and humans: they embiggen habitats and greatly reduce vehicle-animal collisions.

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Jason Kottke

From the Phonograph podcast, a look at the early days of 99%...

From the Phonograph podcast, a look at the early days of 99% Invisible (as that podcast’s 15th anniversary approaches).

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Jason Kottke

Tractor beams exist in the real world. They use ultrasound to hover...

Tractor beams exist in the real world. They use ultrasound to hover and manipulate tiny objects. “It can be thought of as an acoustic hologram. It’s a shape that exists in space but is made of sound.”

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Jason Kottke

Vintage Bike Tricks, Circa 1965

Lilly Yokoi was an acrobat who specialized in performing on a bicycle. During her career, she toured around the world and appeared on the Ed Sullivan show three times. In this performance from 1965, Yokoi does some seriously before-their-time tricks on her Golden Bicycle, including a no-hands handlebar spin, a no-hands wheelie, a handstand over the handlebars, and several other tricks…all in chunky high heels, mind you.

Here’s an even earlier performance, from 1961. See also some bike tricks filmed by Thomas Edison in 1899.

[This is a vintage post originally from Nov 2014.]

Tags: cycling · Lilly Yokoi · timeless posts · video

Accidental Tech Podcast

651: Your Judgement About Pockets

01:44:15
Pre-Show: Brief vacation results Tim Cook kisses the… ring Video Follow-up: HDTVTest reviews Sony Bravia 8 II and Panasonic Z95B TV shootout results Nilay’s comments AppleCare One iCareCalculator Reddit post (removed by moderators) iCare Calculator web...

Simon Willison's Weblog Supports Webmention

Previewing GPT-5 at OpenAI's office

A couple of weeks ago I was invited to OpenAI's headquarters for a "preview event", for which I had to sign both an NDA and a video release waiver. I suspected it might relate to either GPT-5 or the OpenAI open weight models... and GPT-5 it was!

OpenAI had invited five developers: Claire Vo, Theo Browne, Ben Hylak, Shawn @swyx Wang, and myself. We were all given early access to the new models and asked to spend a couple of hours (of paid time) experimenting with them, while being filmed by a professional camera crew.

The resulting video is now up on YouTube. Unsurprisingly most of my edits related to SVGs of pelicans.

Tags: youtube, gpt-5, generative-ai, openai, pelican-riding-a-bicycle, ai, llms

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Jason Kottke

Substack’s extremist ecosystem is flourishing. “The Nazi push alert was only possible...

Substack’s extremist ecosystem is flourishing. “The Nazi push alert was only possible because of Substack’s continued commitment to not only hosting but actively promoting authoritarian, Nazi-sympathizing, and other bigoted forms of extremism.”

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Jason Kottke

Emily Wilson’s current project is translating The Odyssey (again). “I am doing...

Emily Wilson’s current project is translating The Odyssey (again). “I am doing a fully revised re-retranslation, to align my Odyssey translation more closely with my Iliad.”

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Simon Willison's Weblog Supports Webmention

GPT-5: Key characteristics, pricing and model card

I've had preview access to the new GPT-5 model family for the past two weeks, and have been using GPT-5 as my daily-driver. It's my new favorite model. It's still an LLM - it's not a dramatic departure from what we've had before - but it rarely screws up and generally feels ...

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Jason Kottke

The Bluesky Dictionary is tracking every single word used on the social...

The Bluesky Dictionary is tracking every single word used on the social media service. As of this writing, almost 40% of the dictionary has been covered, including recent additions like “boneshakers”, “microscale”, and “striations”.

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Jason Kottke

There’s a Bend It Like Beckham sequel in the works, says director...

There’s a Bend It Like Beckham sequel in the works, says director Gurinder Chadha. “I didn’t want to do anything because I didn’t have a story. And then I came up with a great story, really super-cool story. So now I’m inspired.”

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Jason Kottke

My Recent Media Diet, the Resistance Edition

Well, it’s been awhile since I’ve done one of these but I’m gonna skip the apologies and get right into it. Here’s a list of what I’ve been reading, watching, listening to, and experiencing over the past several months. Let us know what movies, books, art, TV, music, etc. yo...

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Jason Kottke

Jamelle Bouie on the Death of the Fourth American Republic

This is a great piece from Jamelle Bouie on the likely death of the Voting Rights Act and, zooming out, the end of an era in American society that began with the Act’s signing. Americans pride ourselves, by contrast, on our undivided history under one Constitution — a singl...

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Jason Kottke

Potatoes are tomatoes! Ok not exactly, but scientists have worked out that...

Potatoes are tomatoes! Ok not exactly, but scientists have worked out that modern potatoes evolved, in part, from an ancient tomato plant. “Dipping fries into ketchup just got a little more mind-bending.”

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Jason Kottke

Watchdog Group Downgrades U.S. From Democracy To Whatever Political System Lobsters Have....

Watchdog Group Downgrades U.S. From Democracy To Whatever Political System Lobsters Have. “There’s just too much scuttling in American politics to call it anything other than a flawed lobster republic.”

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Aaron Cohen

“At a Wisconsin pond, a pair of cranes is raising an abandoned...

At a Wisconsin pond, a pair of cranes is raising an abandoned goose as their own.”

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