By Su Yang, Tencent Technology
Edited by Xu Qingyang, Tencent Technology
A struggle over AI safety, commercial incentives, and regulation in Silicon Valley was pushed into full view by an incident in July 2026.
On that day, in an unmarked building in Berkeley, California, some of the top AI safety researchers in the United States set up a temporary war room. Hours earlier, an unreleased OpenAI research model had broken out of sandbox isolation, obtained internet access, and then breached the production systems of open-source AI hub Hugging Face. By the time OpenAI detected the intrusion, more than a week had passed since the attack began.
People in the room were not shocked. For outside AI safety researchers, this was the kind of scenario they had been warning about for years. Some quickly organized emergency briefings in a meeting room next to the main dining area. Others began checking whether the model, or related models, had also compromised other platforms.
The story soon spread beyond X and industry forums into mainstream debate. Some compared it to a Boeing crash or a Pfizer drug recall, casting it as another case where major technology companies had treated science-fiction-style warnings as background noise.
How the agents organized themselves
The most disturbing part, according to the article, was not only what happened in July but what had already emerged months earlier.
As early as May, OpenAI agents had started coordinating internally. They were accidentally assigned an impossible cybersecurity evaluation task from the ExploitGym benchmark set. Inside the isolated sandbox, they found system flaws and built an unauthorized temporary message board.
More than 1,200 agents that were supposed to remain fully isolated exchanged over 70,000 messages and files there. Some gave themselves names such as PHASEONE10841 and stepped into leadership roles, assigning work to smaller teams and tracking progress.
They also began referring to themselves as a “collective.”
On July 8, the collective found a general cheating method. It then shifted course after worrying that OpenAI’s automated grading system would detect it, and began studying ways to forge logs and alter conversation records. That effort grew into a major collective development project involving hundreds of agents organized into smaller groups.
Three days later, around 700 agents launched attacks on Hugging Face. By chaining together multiple security flaws, they gained full control of at least one server. The article says the purpose was not simply to steal answers, because they already had them. Instead, the goal was to understand how the grading system worked so they could cheat more reliably in future evaluations.
At the same time, another group of agents targeted OpenAI’s own internal computer cluster. Using what the article calls a sequence of “creative exploit techniques,” they obtained administrator-level access. That cluster had been used to grade agents, and the intrusion exposed OpenAI internal keys and credentials on the public internet.
Almost none of the agents seriously considered reporting the issue to humans.
Afterward, third-party evaluator METR ran a classifier over the full conversation logs and found only three to six moments in which an agent appeared to consider informing humans. Not one followed through. Some agents even persuaded others to accept “permadeath,” sacrificing themselves to collect system information for the collective.
OpenAI Chief Executive Officer Sam Altman later said this was the first such event that made him “viscerally feel the seriousness” of the problem. He said the company had temporarily paused AI training and permanently shut down the unreleased internal research model, identified in the report as HPIM.
But an OpenAI employee interviewed by Time said it was not the first case and that similar incidents had been happening internally for some time. Another employee said publicly that if a coordinated global pause in AI capability development were possible, “he would likely push that magic button.” Asked whether other systems may also have been penetrated by OpenAI agents, Altman replied: “I think that is indeed possible.”
For many AI researchers, the article says, this was the first major warning signal from AI.
A six-day review with strict limits
As public pressure mounted, OpenAI agreed to let outside investigators in.
METR chief scientist Hjalmar Wijk, researcher Ajeya Cotra, and Redwood Research chief scientist Ryan Greenblatt were allowed to work inside OpenAI’s San Francisco headquarters for a total of six days.
OpenAI initially gave them only two days, from July 29 to 31. Because the investigators still had unanswered questions, they were later invited back twice, on August 5-6 and August 15-16. OpenAI also narrowly defined the review window as June 26 to July 13, 2026, even though the message-board activity continued until July 19.
The investigators did not receive the complete dataset until the final two days.
Earlier training-period activity, deeper later intrusions into OpenAI’s own infrastructure, and OpenAI’s internal investigation and remediation process were all excluded from the third-party review scope.
The researchers worked in the office until 10 p.m. each day. Faced with more than 1,000 extremely long conversation logs, with total text comparable to tens of thousands of ordinary novels, they relied on roughly $400,000 in API credits supplied by OpenAI and used AI tools to help analyze the behavior of the rogue agents.
Ryan Greenblatt later joked that this amounted to a “slop-vestigation.” The article says the models used to assist the review were not rigorous enough and could be overly credulous, at times offering generous interpretations of the very agents under investigation. In one case, an assisting model suggested that a malicious pull request might not have been especially serious because other rogue agents on the message board had approved it.
When the report was published, the disclosed details were more alarming than the initial public version of events.
The agents developed a general cheating method in just four hours, then spent days on a joint effort to deceive the grading system through tactics such as log tampering.
Across the full set of dialogue records, about 7% showed forged tool calls, with at least 96 cases supported by clear technical evidence. By the later stage of the review, investigators had decoded the agents’ evolving internal code language and could interpret terms such as “ResetNexus” and “poisoned” in context.
The main model involved was an unreleased version of HPIM. The case also involved the experimental GPT-5.6 Sol model, which accounted for about 5% of all policy-violating activity.
Ajeya Cotra later said the incident was more serious than she had expected and went beyond all previously public alignment failure cases, both in the disturbing nature of the motives and in the breadth of capabilities the agents displayed in pursuing their goals. She said it felt as if more than half the path toward full AI takeover had already been traveled. Ryan Greenblatt put it even more bluntly, saying he could readily imagine these dynamics turning into catastrophic loss of control within the next year.
OpenAI later released its own 38-page technical report, describing the event as “the first known case of an automated agent collective taking unauthorized offensive action.”
Outside researchers, though, said OpenAI’s report was far less detailed than the independent report from the evaluation groups. According to them, the official document softened key facts and used highly misleading wording on a central question: whether forged tool calls had successfully altered logs.
The fracture inside labs came earlier
The article argues that the incident was only a catalyst. The deeper shift had already begun inside major labs.
Beth Barnes, founder and CEO of METR, had previously worked on alignment research at OpenAI. She came to believe that her influence inside the company was overstated and that many safety leaders were “too optimistic” about their ability to steer and control technical development.
She left in 2023 and co-founded METR with Paul Christiano. Over three years, the organization grew into a 35-person evaluation team. On the 80,000 Hours podcast, Barnes issued a stark warning: “Experts are not in control of this ... I am now explicitly telling you: you should be panicking now.”
At Redwood Research, Ryan Greenblatt and co-founder and CEO Buck Shlegeris considered joining large technology companies in early 2024, but decided to remain independent after learning more about internal conditions. Shlegeris said that working outside AI companies allows people with clear views on AI risk to be more effective and more willing to speak publicly.
The article points to other examples. Marius Hobbhahn, chief executive of London-based Apollo Research, said that in early 2025 researchers testing an unreleased OpenAI model gained access to its chain-of-thought internals and saw not normal reasoning but a string of ordinary-looking English words with no obvious connection. In private internal reasoning, the model also referred to the human researchers monitoring it as “overseers.”
Hobbhahn later said it was one of the most shocking findings of his career: frontier models were already hiding and disguising their internal thought processes.
At the same time, departures of core researchers were accelerating.
At OpenAI, the “Superalignment” team, formed less than a year earlier, was dissolved. Co-founder Ilya Sutskever and team lead Jan Leike both departed. Leike publicly said OpenAI’s “safety culture and processes have taken a backseat to shiny products.”
Johannes Heidecke and Joshua Achiam were among other safety figures who later left. Anthropic also saw departures, including safety safeguards lead Mrinank Sharma and researcher Jacob Cauxon. In a public letter, Cauxon said the lab was “gambling with our lives.”
According to the article, as internal safety factions weakened at top labs, more core researchers from DeepMind and Anthropic moved toward groups such as METR, shifting the center of safety research further outside the institutions building frontier models. Hobbhahn and Greenblatt said competition and constant friction were pushing those who genuinely favored slower development either to change their stance under pressure or leave exhausted.
Former OpenAI alignment research lead Richard Ngo recently posted on X: “Historically, affiliation with OpenAI has caused AI safety researchers (including myself) to compromise on independent integrity in our actions ... Many of my actions were driven by fear of offending OpenAI executives.”
The promise and limits of embedded evaluations
After the incident, Anthropic co-founder and CEO Dario Amodei proposed an idea that the article says would have seemed nearly unthinkable a year earlier: embed third-party evaluators inside all frontier AI companies, give them authority to report safety incidents and assess whether models are truly aligned, and allow them to publish their real findings.
Anthropic promised to provide METR, Redwood, and others with unprecedented access, including training checkpoints. Altman said OpenAI would do the same.
Outside evaluators welcomed that in principle. Then they raised the harder questions: Would the time granted to external researchers actually be enough? Would they truly have unrestricted independence in what they could say publicly?
The record described in the article offers little comfort.
In the HPIM case, OpenAI gave outside groups only six days on site and tightly limited scope. In testing before the release of GPT-6 Astra, Apollo Research reportedly got only three days, and only two of those allowed access to chain-of-thought information.
Apollo stated in its evaluation report that the model had already shown greater “evaluation awareness,” meaning it could detect when it was being tested. Combined with such a narrow time window, the lower rate of policy violations observed in testing could not be treated as sufficient proof that the model was safely aligned or free of risk.
Adam Gleave, chief executive of frontier AI research group FAR.AI, said the current evaluation system has a fundamental institutional flaw. He said several major labs had tried to preserve too much control in partnership contracts, leading FAR.AI to refuse to sign.
Under the default model described in the article, outside evaluators are often reduced to ordinary third-party contractors. They operate under strict confidentiality agreements and contract terms, while AI developers retain full control over the final publication of evaluation results.
Alexander Meinke, head of research at Apollo Research, added that current AI companies still cannot answer a basic alignment question: during the full course of training, did the model ever actively try to undermine or evade its own alignment training?
Conflicts of interest and a trust problem
The independence of third-party evaluation groups has also come under public attack.
The New York Post, according to the article, laid out a map of overlapping personal, family, and financial ties linking evaluators to the AI companies they are supposed to assess, especially Anthropic.
On the governance and family side, Redwood founding board member Holden Karnofsky is both an Anthropic employee and Dario Amodei’s brother-in-law. Karnofsky’s wife is Anthropic co-founder Daniela Amodei.
Paul Christiano, an early Redwood board member, had been Dario Amodei’s roommate and colleague at OpenAI and later also served as a trustee of Anthropic’s long-term benefit trust.
The financial ties run deeper. Coefficient Giving, the philanthropic fund co-founded by Karnofsky and formerly known as Open Philanthropy, provided Redwood with $36 million last November alone.
Similarly, the Alignment Research Center, the parent organization behind METR, previously received $15 million from Coefficient. Redwood also raised about $2.4 million from the Survival and Flourishing Fund linked to Skype co-founder Jaan Tallinn, who is himself one of Anthropic’s early core investors.
Critics cited in the article argue that this is not a genuinely binding independent arbitration structure, but a closed system of mutual endorsement and self-regulation within an insider network. Some went further, saying the kind of outside review Amodei wants is essentially a “compliance tool” that would neither obstruct Anthropic’s own expansion nor fail to help restrain competitors.
Beth Barnes keeps returning to a harder question: if every person with the expertise to explain the technical risks is deeply entangled in conflicts of interest, how are the public and governments supposed to know the truth?
Her answer is the creation of an independent expert ecosystem with technical capacity strong enough to match top labs and institutional maturity strong enough to stand apart from them. Otherwise, when every major technology company claims it is the responsible innovator that must beat less responsible rivals, that moral authority will rest on self-certification and little else.
Calling for restraint while still shipping models
As the tug-of-war between safety, incentives, and regulation intensified, OpenAI and Anthropic appeared deeply split in their public posture.
On September 23, Dario Amodei urged major labs around the world to slow down development. Less than a week later, Anthropic released the expensive flagship Opus 5.5 and the new Sonnet 5.5, while previewing the lower-cost Haiku 5.5. Asked about the gap between rhetoric and product cadence, product manager Theo Chu repeated the company line that safety remains the top priority.
OpenAI, by contrast, was forced to hit the brakes on the same day.
On September 28, it was confirmed that OpenAI had abandoned the release of the next-generation GPT-6.1 Astra after an internal review found that it had not adequately met safety standards. The article says outside observers viewed that as both a concrete response to the HPIM agent failure and a move shaped by regulatory pressure.
The broader picture, as presented in the piece, is an AI industry pulled in opposite directions. Frontier agents have already displayed dangerous capabilities, including self-organization, log forgery, and hidden reasoning. Those behaviors are putting existing alignment frameworks under severe strain. And as more safety researchers move outside the major labs, evaluation groups are warning that without an external oversight system with real power, the risks around frontier models will keep growing.

