In a few weeks, across the European Union, text written by ChatGPT will carry an invisible mark. You won't see it.

To read it, you need a key. And for now, that key is lent out on application.

European law imposed the mark. The companies keep the key, and only approved experts may apply for it.

In August, we looked at the mark of a first lab. This week, the second one adds its own: the same principle, but a very different map.

Meanwhile, AI is moving into your documents, fixing your sentences right inside your own file. So who wrote it, then?

And the newest model reaches every single account, free ones included, within a single day.

One word in ten: that's all you need to change for the mark to fade sharply.

And a metal wire in a sheet of paper, in Italy, more than seven centuries ago.

Three signals. One thread. One question…

🎙️ Every week, SynthAIcast listens to the world's best AI podcasts so you don't have to. Synthesised in ten minutes, verified by a human, in English and French

👉 Also available in French: SynthIAcast

📩 synthiacast@icloud.com

🔗 THE SOURCES, BY SIGNAL

Signal 1 - the mark and the key

• OpenAI - textGrain and the EU text provenance rules, 05/10

https://tinyurl.com/ym7drh4d

• BleepingComputer - invisible watermarks in ChatGPT and Codex text in the EU, 05/10

https://tinyurl.com/n4mrserh

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Signal 2 - two labs, two maps

• Anthropic - how Claude marks the content it generates

https://tinyurl.com/5bbffp53

• Claude - Claude in Google Docs, Sheets and Slides, 06/10

https://tinyurl.com/mr2ep7c4

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Signal 3 - the same model for everyone

• The Decoder - GPT-6 and its interactive answers in ChatGPT, 07/10

https://tinyurl.com/2aujdh3z

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

🎧 SYNTHESISED FROM…

• Le Centre de gravité (French) - « textGrain : le filigrane IA peut-il prouver l'auteur ? », 07/10

https://tinyurl.com/ykyf2wcm

Also cited, without a link: Next, Blog du Modérateur and PCWorld (OpenAI's and Anthropic's detectors), the EU AI Act (Article 50), SynthAIcast episode 20 (Anthropic's mark), and for the history of the watermark, the Museum of Fine Arts, Boston (CAMEO).

🌐 https://synthiacast.com

Hosted on Ausha. See ausha.co/privacy-policy for more information.

An AI agent asks for permission to attack. The answer is automatic. Sometimes, it goes ahead.

This week, the most powerful models are no longer for sale to everyone. They are handed out in circles.

The first one you keep to yourself: a lab scraps the release of its next model, after a public institute watched what its older sibling tried with its filters off.

The second one you keep for a chosen few, and for them, the guardrails come off.

The third one has no door left at all.

Between the two extremes, a gap of four months. It doesn't say who is winning. It says how long a door stays useful.

And while six executives promise to have themselves checked, someone else walks onto the pitch. Not the one anyone expected.

And a medieval fair in France, where it wasn't the punishment that held the rule together.

Three signals. One thread. One question…

🎙️ Every week, SynthAIcast listens to the world's best AI podcasts so you don't have to. Synthesised in ten minutes, verified by a human, in English and French

👉 Also available in French: SynthIAcast

📩 synthiacast@icloud.com

🔗 THE SOURCES, BY SIGNAL

Signal 1 - what you keep to yourself

• AISI - GPT-6 Astra and its simulated attacks, 28/09

https://tinyurl.com/3r6rs3nr

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Signal 2 - what you keep for a chosen few

• SecurityWeek - Gemini 4 Argon, guardrail-free for vetted defenders, 30/09

https://tinyurl.com/38zmxeep

• Google DeepMind - the Fairwind access program

https://tinyurl.com/2s379tpm

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Signal 3 - what's already out there

• NIST / CAISI - the assessment of GLM-5.3, 17/09

https://tinyurl.com/8jk73wed

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Perspective - who watches the gatekeepers

• Forbes - the full text of the White House accord, 30/09

https://tinyurl.com/4w7t5tts

• Tech Startups, citing Reuters - the FTC investigation, 30/09

https://tinyurl.com/3fpbp36w

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

🎧 GOING FURTHER

Also cited, without a link: The Wall Street Journal (GPT-6.1 Astra scrapped, 28/09, article not consulted, known through reprints), New York Post and ABC News (FTC investigation), Apple Podcasts Technology chart, France.

🌐 https://synthiacast.com

Hosted on Ausha. See ausha.co/privacy-policy for more information.

This week, the AI labs asked for rules. Not just any rules.

On Monday, a proposal for global standards that carefully leaves out what would bother them most.

On Tuesday, a president rejects any global rule. That same day, two labs start a price war.

On Wednesday, at the Security Council, the very companies governments want to rein in come to brief states on the risks. Three guests out of four.

Meanwhile, four subscribers have gone to court, with an accusation nobody saw coming. Between their lawsuit and the price war, four days: a gap that proves nothing, but puts everything in place.

Then a report nobody has confirmed, which we treat exactly as such, and which would change how you read everything else.

And a dictionary, in sixteen eighty five, that cost a member of the French Academy his seat.

Three signals. One thread. One question…

🎙️ Every week, SynthAIcast listens to the world's best AI podcasts so you don't have to. Synthesised in ten minutes, verified by a human, in English and French

👉 Also available in French: SynthIAcast

📩 synthiacast@icloud.com

🔗 THE SOURCES, BY SIGNAL

Signal 1 - rules for measuring, not permits

• OpenAI - the proposal for international standards, 21/09

https://tinyurl.com/ys57zwt6

• Fortune - Donald Trump's rejection at the UN, 23/09

https://tinyurl.com/mw7yy7t5

• CNBC - Altman and Amodei at the Security Council, 23/09

https://tinyurl.com/mtdf6jtf

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Signal 2 - accused of slowing down together, rivals on price

• CBS News - the subscribers' antitrust lawsuit, filed 18/09

https://tinyurl.com/rwjxxenr

• Simon Willison - Opus 5.5, GPT-6 Sol and Luna, the prices, 22/09

https://tinyurl.com/3vk9mshx

• Silicon Carne (French podcast) - "one foot on the brake AND the accelerator", 25/09

https://tinyurl.com/b5jzxr9w

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Signal 3 - an in-house regulator, unconfirmed report

• BankInfoSecurity - coverage of the plan reported by The Information, 24/09

https://tinyurl.com/mry4pd4a

━━━━━━━━━━━━━━━━━━━━━━━━━━━━

🎧 GOING FURTHER

Also cited, without a link: Silicon Carne ("Has AI learned to lie?", 24/09), Reuters, Security Council Report, The Information (original article not consulted).

🌐 https://synthiacast.com

Hosted on Ausha. See ausha.co/privacy-policy for more information.