Welcome back! ChatGPT and Codex can now search 100 billion sources through one plugin. Anthropic is chasing the biggest IPO in history, UK cinemas are moving against Meta's camera glasses, and Claude Academy just went live, free, all of it.
In today's Generative AI Newsletter:
ChatGPT: What just gave it 100 billion new sources?
Anthropic: How big is the IPO it's about to file?
Meta: Why are cinemas turning its glasses away?
Claude: What did Anthropic just make free for everyone?
ChatGPT just got 100 billion new sources
OpenAI spent Thursday pointing developers at someone else's search engine. The Exa plugin opens more than 100 billion websites, docs, papers, people and companies to ChatGPT Work and Codex.
Setup takes about a minute. Open Codex, go to Plugins, find Exa, hit install. Terminal people can run codex mcp add exa --url https://mcp.exa.ai/mcp instead.
What changes is where answers come from. Instead of leaning on what the model remembers, your agent pulls current sources mid-task. That matters most when you ask about a company, a person or a paper newer than its training data.
The gap between an agent that guesses and an agent that checks is most of what makes these things useful.
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Anthropic is going for the biggest IPO in history
Anthropic could file publicly as soon as the end of this month, and it expects to match or beat the record SpaceX set in June, per Bloomberg.
That record is $75 billion raised, $86.2 billion once the overallotment landed. Investors are floating a $2 trillion valuation, a number CFO Krishna Rao dodged in recent briefings.
The revenue explains the nerve. Second-quarter revenue topped $11.5 billion against $787 million a year earlier, and the run rate hit $65 billion by late July. The same company lost about $42 billion in 2025, and Morgan Stanley, Goldman Sachs and JPMorgan lined up to run the deal anyway.
Dario Amodei and his co-founders are weighing super-voting shares to keep control after listing.
Claude's maker hits the public market well before OpenAI, which pushed its own listing to 2027.
Cinemas are done with Meta's glasses
UK cinemas are bringing in policies to restrict camera glasses, the UK Cinema Association told Sky News, and everybody knows which brand they mean.
Piracy costs UK creative industries at least £500 million a year, and more than 90 percent of illegal copies of new films get recorded inside cinemas. The Film Content Protection Agency logged 121 illegal recordings in 2025 alone.
Meta's glasses have a small light that's supposed to show when you're recording. People cover it, and Amazon sells the covers. The nickname doing the rounds in Britain is pervert glasses.
Meta calls the glasses critical technology for blind and low-vision users and says restricting them is a step backwards. For now each cinema sets its own policy.
Courts in England and Wales barred them this month, and Germany's data regulator says existing law may already cover them.
Claude Academy is free and live
Anthropic opened Claude Academy on Thursday, and all of it is free.
There's a path per product, Claude.ai, Cowork, Claude Code, Claude Tag and the Platform, so you learn the one you actually use instead of wading through everything.
The part worth your time is the AI Fluency track. It teaches a four-part framework, delegation, description, discernment and diligence, across 14 lessons and about four hours. A second course spends 13 lessons on what models can and can't do, including working memory, steerability and context limits.
The can't-do half is the part almost nobody teaches.
Top 5 tools of the week
Forma edits PDFs when you describe the change in plain English and hands back the same file with fonts and layout intact.
Lexemo turns dense legal case logic into structured steps you build without writing code.
Intercom puts its Fin agent on your support inbox to resolve customer questions across voice, chat, email, Slack and social on its own.
Synthesia makes presenter-led video from a script with AI avatars instead of a camera crew.
Apify gives you 61,000+ ready-made tools that pull live web data into your AI projects.
Everything else you shouldn't miss
Reddit almost vanished from ChatGPT: its share of ChatGPT Search citations fell from about 3.8 percent to 0.52 percent this month, an 86 percent drop, the same week Reddit joined the S&P 500.
Computer History reached Europe: ChatGPT's opt-in memory of your app and website activity is now available in the EEA, UK and Switzerland for Pro, Business and Enterprise users on Mac.
Replit made everyday AI tasks credit-free: its new Free Mode runs chat and small jobs on GPT-5.6 Luna without burning credits, so $20 Core subscribers can create up to 30x more.
The fastest AI chip got faster: Cerebras says its new CS-4 serves answers up to 30 times faster than GPU systems, and it ships this quarter.
Meta is reportedly one of Microsoft's biggest AI customers: it's said to be running trillions of tokens a week on Azure.
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