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simonwillison.net

Simon Willison's Weblog

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Latest posts

Last updated about 21 hours ago

Kākāpō mug by Karen James

about 21 hours ago

Friend and neighbour Karen James made me a Kākāpō mug. It has...

Quoting Thomas Ptacek

1 day ago

People on the orange site are laughing at this, assuming it's just...

Vouch

1 day ago

Vouch Mitchell Hashimoto's new system to help address the deluge of worthless...

Claude: Speed up responses with fast mode

1 day ago

Claude: Speed up responses with fast mode New "research preview" from Anthropic...

Quoting David Crawshaw

1 day ago

I am having more fun programming than I ever have, because so...

How StrongDM's AI team build serious software without even looking at the code

2 days ago

Last week I hinted at a demo I had seen from a...

Quoting Tom Dale

3 days ago

I don't know why this week became the tipping point, but nearly...

Running Pydantic's Monty Rust sandboxed Python subset in WebAssembly

3 days ago

There's a jargon-filled headline for you! Everyone's building sandboxes for running untrusted...

An Update on Heroku

3 days ago

An Update on Heroku An ominous headline to see on the official...

Quoting Karel D'Oosterlinck

4 days ago

When I want to quickly implement a one-off experiment in a part...

Mitchell Hashimoto: My AI Adoption Journey

4 days ago

Mitchell Hashimoto: My AI Adoption Journey Some really good and unconventional tips...

Opus 4.6 and Codex 5.3

4 days ago

Two major new model releases today, within about 15 minutes of each...