Pythonのウェブフレームワーク「Django」などの開発で知られるソフトウェアエンジニアのサイモン・ウィリソン氏が、ポッドキャストでAIによってどのように開発の現場が変わっているのかを語りました。

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アメリカのサンフランシスコに拠点を置くAIスタートアップのArcee AIが、3990億個のパラメータを持つオープンウェイトモデル「Trinity-Large-Thinking」を改変や商用利用が可能なApache 2.0ライセンスで公開しました。

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AIモデルはパラメーター数が多いほど性能が高くなりやすいですが、パラメーター数が多くなるとメモリ使用量が増加してしまうというトレードオフの関係にあります。AI開発企業のPrismMLが2026年3月31日に発表した「1-bit Bonsai」は80億パラメーターのモデルを1.15GBという少ないメモリ使用量で実行することが可能。さらに、メモリ約14倍消費する他モデルを打ち負かすほどのベンチマークスコアも記録しており、高性能かつ省メモリなAIモデルとして注目を集めています。

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IT業界で働く人に向けた解説記事やニュースを伝えるサイト「The Pragmatic Engineer」において、Facebookの創業者であるマーク・ザッカーバーグCEOが20年ぶりにコードを書き始めたと報じられました。このニュースに対し、業界の著名人からさまざまなコメントが行われています。

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ペンシルベニア大学の研究チームが、AIの発展によって多くの人間が「AIに全て任せる」という思考プロセスを採用していることを実験でつきとめ、論文で発表しました。

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AI研究・開発企業のGeneralistが、実世界におけるロボットの動きを最適化するAIモデル「GEN-1」を発表しました。従来のモデルでは成功率64％だったタスクにおいて、GEN-1は平均成功率を99％に向上させたとしています。

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全米脚本家組合(WGA)が、映画スタジオやストリーミングサービスを代表する映画テレビ製作者協会(AMPTP)と4年間の暫定契約に合意したことが報じられました。合意内容には健康保険と年金への資金増額やストリーミング配信の印税増額のほか、作品がAIの学習に利用されることを防ぐための保護措置の強化も含まれています。

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The Internet Bug Bounty program "has been paused for new submissions," they announced last week. Running since 2012, the program is funded by "a number of leading software companies," reports InfoWorld, "and has awarded more than $1.5m to researchers who have reported bugs " Up to now, 80% of its payouts have been for discoveries of new flaws, and 20% to support remediation efforts. But as artificial intelligence makes it easier to find bugs, that balance needs to change, HackerOne said in a statement. "AI-assisted research is expanding vulnerability discovery across the ecosystem, increasing both coverage and speed. The balance between findings and remediation capacity in open source has substantively shifted," said HackerOne. Among the first programs to be affected is the Node.js project, a server-side JavaScript platform for web applications known for its extensive ecosystem. While the project team will continue to accept and triage bug reports through HackerOne, without funding from the Internet Bug Bounty program it will no longer pay out rewards, according to an announcement on its website... [J]ust last month, Google also put a halt to AI-generated submissions provided to its Open Source Software Vulnerability Reward Program. The Internet Bug Bounty stressed that "We have a responsibility to the community to ensure this program effectively accomplishes its ambitious dual purpose: discovery and remediation. Accordingly, we are pausing submissions while we consider the structure and incentives needed to further these goals..." "We remain committed to strengthening open source security. Working with project maintainers and researchers, we're actively evaluating solutions to better align incentives with open source ecosystem realities and ensure vulnerability discoveries translate into durable remediation outcomes."

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That leak of Claude Code's source code "revealed all kinds of juicy details," writes PC World. The more than 500,000 lines of code included: - An 'undercover mode' for Claude that allows it to make 'stealth' contributions to public code bases - An 'always-on' agent for Claude Code - A Tamagotchi-style 'Buddy' for Claude "But one of the stranger bits discovered in the leak is that Claude Code is actively watching our chat messages for words and phrases — including f-bombs and other curses — that serve as signs of user frustration." Specifically, Claude Code includes a file called "userPromptKeywords.ts" with a simple pattern-matching tool called regex, which sweeps each and every message submitted to Claude for certain text matches. In this particular case, the regex pattern is watching for "wtf," "wth," "omfg," "dumbass," "horrible," "awful," "piece of — -" (insert your favorite four-letter word for that one), "f — you," "screw this," "this sucks," and several other colorful metaphors... While the Claude Code leak revealed the existence of the "frustration words" regex, it doesn't give any indication of why Claude Code is scouring messages for these words or what it's doing with them.

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イギリスの中学校教師を対象に教育組合が実施した調査で、回答者の3分の2がAIを利用することで生徒の作文能力や問題可決能力、思考力などが低下していると感じていることが明らかになりました。

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Meet the "journalist" who "uploads press releases or analyst notes into AI tools and prompts them to spit out articles that he can edit and publish quickly," according to the Wall Street Journal. "AI-assisted stories accounted for nearly 20% of Fortune's web traffic in the second half of 2025." And most were written by 42-year-old Nick Lichtenberg, who has now written over 600 AI-assisted stories, producing "more stories in six months than any of his colleagues at Fortune delivered in a year." One Wednesday in February, he cranked out seven. "I'm a bit of a freak," Lichtenberg said... A story by Lichtenberg sometimes starts with a prompt entered into Perplexity or Google's NotebookLM, asking it to write something based on a headline he comes up with. He moves the AI tools' initial drafts into a content-management system and edits the stories before publishing them for Fortune's readers... A piece from earlier that morning about Josh D'Amaro being named Disney CEO took 10 minutes to get online, he said... Like other journalists, Lichtenberg vets his stories. He refers back to the original documents to confirm the information he's reporting is correct. He reaches out to companies for comment. But he admits his process isn't as thorough as that of magazine fact-checkers. While Lichtenberg started out saying his stories were co-authored with "Fortune Intelligence", he now typically signs his own name, according to the article, "because he feels the work is mostly his own." (Though his stories "sometimes" disclose generative AI was used as a research tool...) The article asks with he could be "a bellwether for where much of the media business is headed..." "Much of the content people now consume online is generated by artificial intelligence, with some 9% of newly published newspaper articles either partially or fully AI-generated, according to a 2025 study led by the University of Maryland. The number of AI-generated articles on the web surpassed human-written ones in late 2024, according to research and marketing agency Graphite." Some executives have made full-throated declarations about the threat posed by AI. New York Times publisher A.G. Sulzberger said AI "is almost certainly going to usher in an unprecedented torrent of crap," referencing deepfakes as an example. The NewsGuild of New York, the union representing Fortune employees and journalists at other media outlets, said the people are what makes journalism so powerful. "You simply can't replicate lived experiences, human judgment and expertise," said president Susan DeCarava. For Chris Quinn, the editor of local publications Cleveland.com and the Plain Dealer, AI tools have helped tame other torrents facing the industry. AI has allowed the outlets to cover counties in Ohio that otherwise might go ignored by scraping information from local websites and sending "tips" to reporters, he said. It has also edited stories and written first drafts so the newsrooms' journalists can focus on the calls, research and reporting needed for their stories.... Newsrooms from the New York Times to The Wall Street Journal are deploying AI in various ways to help reporters and editors work more efficiently.... Not all newsrooms disclose their use of AI, and in some cases have rolled out new tools that resulted in errors or PR gaffes. An October study from the European Broadcasting Union and the BBC, which relied on professional journalists to evaluate the news integrity of more than 3,000 AI responses, found that almost half of all AI responses had at least one significant issue. Last week the New York Times even issued a correction when a freelance book reviewer using an AI tool unknowingly included "language and details similar to those in a review of the same book published in The Guardian." But it was actually "the second time in a few days that the Times was called out for potential AI plagiarism," according to the American journalist writing The Handbasket newsletter. We must stem the idea being pushed by tech companies and their billionaire funders who've sunk too much into their products to admit defeat that the infiltration of AI into journalism is inevitable; because from my perch as an independent journalist, it simply is not... Some AI-loving journalists appear to believe that if they're clear enough with the AI program they're using, it will truly understand what they're seeking and not just do what it's made to do: steal shit... If you want to work with machines, get a job that requires it. There are a whole lot more of those than there are writing jobs, so free up space for people who actually want to do the work. You're not doing the world a favor by gifting it your human/AI hybrid. Journalism will not miss you if you leave... But meanwhile, USA Today recently tried hiring for a new position: AI-Assisted reporter. (The lucky reporter will "support the launch and scaling of AI-assisted local journalism in a major U.S. metro," working with tools including Copilot and Perplexity, pioneering possible future expansions and "AI-enabled newsroom operations that support and augment human-led journalism.") And Google is already sponsoring a "publishing innovation award"...

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MicrosoftがAIチャットボット『Microsoft Copilot』について、利用規約で「娯楽目的のもの」であり「重要なアドバイスでは頼らないでください」と警告していることがわかりました。

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