The name is the button.

An agent writes the code now, and a human thumb hovers over Accept all a hundred times a day. The honest question of this decade is what, exactly, you just accepted. So I read the diff.

Eight years as a backend engineer in Stockholm, back in Tokyo since 2023, and I still ship something small most nights, usually badly. My one rule: the only real review of a model is the thing you built with it. That is why there is no leaderboard on this site.

Around a hundred and forty sources come through — the labs' own posts, the papers, the tools, the runtimes and languages nobody is watching yet, the chip under the demo, and the newsletters people actually forward. What is moving gets counted so the week reads at a glance, and every few days I explain one mechanism in plain words.

A story here is a headline, a short excerpt, one image and the link to whoever wrote it. We never reproduce the post; the images belong to their authors. A post written in Japanese appears in Japanese, exactly as it was published, and the link goes to the original.

— Yuki Halvorsen, Tokyo

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The Decoder

Meta and Microsoft pull back from Claude as Anthropic transforms from partner into competitor

October 5

Meta and Microsoft, two of Anthropic's biggest enterprise customers, are sharply cutting their use of Claude.

Models & releases

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Latest

Meta and Microsoft pull back from Claude as Anthropic transforms from partner into competitor

Related

GitHubThe AI safety check that runs on a laptop and nearly matched a 35B model The New Stack

LabsSupercharge regulated workloads with Claude Code and Amazon Bedrock AWS Machine Learning

Toolsv0.6.0 llama.cpp releases

JapanOpus 5.5とSonnet 5.5、どっちを使う？新しいSonnet 5.5を数字で比べた Zenn (AI)

Toolsb11425 llama.cpp releases

JapanコードはAIが書く。人間は条件を書く ― Claude Code に開発を任せるAIコーディング実践 Zenn (AI)

Latest

Meta and Microsoft pull back from Claude as Anthropic transforms from partner into competitor

Related

GitHubThe AI safety check that runs on a laptop and nearly matched a 35B model The New Stack

LabsSupercharge regulated workloads with Claude Code and Amazon Bedrock AWS Machine Learning

Toolsv0.6.0 llama.cpp releases

JapanOpus 5.5とSonnet 5.5、どっちを使う？ 新しいSonnet 5.5を数字で比べた Zenn (AI)

Toolsb11425 llama.cpp releases

JapanコードはAIが書く。人間は条件を書く ― Claude Code に開発を任せるAIコーディング実践 Zenn (AI)

JapanOpus 5.5とSonnet 5.5、どっちを使う？新しいSonnet 5.5を数字で比べた Zenn (AI)