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Simon Willison's Weblog
Quoting Will Larson
My experience is that real AI adoption on real problems is a complex blend of: domain context on the problem, domain experience with AI tooling, and old-fashioned IT issues. I’m deeply skeptical of an...
My experience is that real AI adoption on real problems is a complex blend of: domain context on the problem, domain experience with AI tooling, and old-fashioned IT issues. I’m deeply skeptical of an...
The most popular blogs of Hacker News in 2025
The most popular blogs of Hacker News in 2025 Michael Lynch maintains HN Popularity Contest, a site that tracks personal blogs on Hacker News and scores them based on how well they perform on that pla...
The most popular blogs of Hacker News in 2025 Michael Lynch maintains HN Popularity Contest, a site that tracks personal blogs on Hacker News and scores them based on how well they perform on that pla...
December 2025 sponsors-only newsletter
I sent the December edition of my sponsors-only monthly newsletter. If you are a sponsor (or if you start a sponsorship now) you can access a copy here. In the newsletter this month: An in-depth revie...
I sent the December edition of my sponsors-only monthly newsletter. If you are a sponsor (or if you start a sponsorship now) you can access a copy here. In the newsletter this month: An in-depth revie...
Quoting Ben Werdmuller
[Claude Code] has the potential to transform all of tech. I also think we’re going to see a real split in the tech industry (and everywhere code is written) between people who are outcome-driven and a...
[Claude Code] has the potential to transform all of tech. I also think we’re going to see a real split in the tech industry (and everywhere code is written) between people who are outcome-driven and a...
Introducing gisthost.github.io
I am a huge fan of gistpreview.github.io, the site by Leon Huang that lets you append ?GIST_id to see a browser-rendered version of an HTML page that you have saved to a Gist. The last commit was ten ...
I am a huge fan of gistpreview.github.io, the site by Leon Huang that lets you append ?GIST_id to see a browser-rendered version of an HTML page that you have saved to a Gist. The last commit was ten ...
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2025: The year in LLMs
This is the third in my annual series reviewing everything that happened in the LLM space over the past 12 months. For previous years see Stuff we figured out about AI in 2023 and Things we learned ab...
This is the third in my annual series reviewing everything that happened in the LLM space over the past 12 months. For previous years see Stuff we figured out about AI in 2023 and Things we learned ab...
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Codex cloud is now called Codex web
Codex cloud is now called Codex web It looks like OpenAI's Codex cloud (the cloud version of their Codex coding agent) was quietly rebranded to Codex web at some point in the last few days. Here's a s...
Codex cloud is now called Codex web It looks like OpenAI's Codex cloud (the cloud version of their Codex coding agent) was quietly rebranded to Codex web at some point in the last few days. Here's a s...
Quoting Armin Ronacher
[...] The puzzle is still there. What’s gone is the labor. I never enjoyed hitting keys, writing minimal repro cases with little insight, digging through debug logs, or trying to decipher some obscure...
[...] The puzzle is still there. What’s gone is the labor. I never enjoyed hitting keys, writing minimal repro cases with little insight, digging through debug logs, or trying to decipher some obscure...
TIL: Downloading archived Git repositories from archive.softwareheritage.org
TIL: Downloading archived Git repositories from archive.softwareheritage.org Back in February I blogged about a neat Python library called sqlite-s3vfs for accessing SQLite databases hosted in an S3 b...
TIL: Downloading archived Git repositories from archive.softwareheritage.org Back in February I blogged about a neat Python library called sqlite-s3vfs for accessing SQLite databases hosted in an S3 b...
Quoting Liz Fong-Jones
In essence a language model changes you from a programmer who writes lines of code, to a programmer that manages the context the model has access to, prunes irrelevant things, adds useful material to ...
In essence a language model changes you from a programmer who writes lines of code, to a programmer that manages the context the model has access to, prunes irrelevant things, adds useful material to ...
shot-scraper 1.9
shot-scraper 1.9 New release of my shot-scraper CLI tool for taking screenshots and scraping websites with JavaScript from the terminal. The shot-scraper har command has a new -x/--extract option whic...
shot-scraper 1.9 New release of my shot-scraper CLI tool for taking screenshots and scraping websites with JavaScript from the terminal. The shot-scraper har command has a new -x/--extract option whic...
Quoting D. Richard Hipp
But once we got that and got this aviation grade testing in place, the number of bugs just dropped to a trickle. Now we still do have bugs but the aviation grade testing allows us to move fast, which ...
But once we got that and got this aviation grade testing in place, the number of bugs just dropped to a trickle. Now we still do have bugs but the aviation grade testing allows us to move fast, which ...
Quoting Jason Gorman
The hard part of computer programming isn't expressing what we want the machine to do in code. The hard part is turning human thinking -- with all its wooliness and ambiguity and contradictions -- int...
The hard part of computer programming isn't expressing what we want the machine to do in code. The hard part is turning human thinking -- with all its wooliness and ambiguity and contradictions -- int...
Copyright Release for Contributions To SQLite
Copyright Release for Contributions To SQLite D. Richard Hipp called me out for spreading misinformation on Hacker News that SQLite refuses outside contributions: No, Simon, we don't "refuse". We are ...
Copyright Release for Contributions To SQLite D. Richard Hipp called me out for spreading misinformation on Hacker News that SQLite refuses outside contributions: No, Simon, we don't "refuse". We are ...
Quoting Aaron Levie
Jevons paradox is coming to knowledge work. By making it far cheaper to take on any type of task that we can possibly imagine, we’re ultimately going to be doing far more. The vast majority of AI toke...
Jevons paradox is coming to knowledge work. By making it far cheaper to take on any type of task that we can possibly imagine, we’re ultimately going to be doing far more. The vast majority of AI toke...