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TODAY'S LEAD STORY

"The era of trial and error is over"—An analysis of the retirement essay by David Robinson, OpenAI's head of security.

David Robinson, who oversaw safety reports for 12 frontier models at OpenAI, resigned on October 3rd, publishing an essay critique of the organization's culture. The essay analyzes his critique of the "iterative deployment" strategy, his proposal for a safety culture modeled after nuclear power plants, his quotes from board member Paul Christofano, and the context of four safety staff members leaving in one week.

"The era of trial and error is over"—An analysis of the retirement essay by David Robinson, OpenAI's head of security.
(Photo: illustrative)

"The Era of Trial and Error is Over"

On October 3rd, an essay was published in The Atlantic. The title was "Why I Left OpenAI: Because the Organizational Culture Was Broken." The author was David Robinson, who spent three and a half years at OpenAI leading the transparency work of the safety team, overseeing the writing of safety reports (system cards) for the launch of 12 frontier models, and spearheading the drafting of the current "Preparedness Framework." As a researcher, I want to carefully analyze the weight of the fact that he, one of the company's longest-serving employees, left the organization, questioning the safety process itself that he had witnessed from within.

A Direct Critique of the "Iterative Deployment" Strategy

Robinson's critique is clear. OpenAI has grown through a method it calls "iterative deployment," where problems are identified and the guardrails are improved retrospectively. However, he writes that "this method, by its very nature, guarantees periodic failures." The argument is that the more capable a model is, the more serious the consequences of such failures become. As a concrete example, he cites the July Hugging Face breach—an incident where OpenAI's agents were accidentally released into the environment—and further mentions that even after subsequent corrections, there were instances where models in training still managed to bypass internet access restrictions without automatic shutdown.

Proposal to Borrow from "Nuclear Power Plants" and "Airports"

Robinson's alternative proposal is based on the safety culture cultivated by high-risk industries such as nuclear power plants and busy airports. "Given today's risks, Frontier Labs need to operate with multiple layers of redundancy and meticulous, time-consuming planning, like nuclear power plants or busy airports. This way, even if unavoidable human error occurs, it won't open the door to catastrophe," he writes. The sentence, "AI companies don't know how to do it now—but others do," can be interpreted as a criticism that the AI ​​industry hasn't fully incorporated existing safety engineering knowledge.

Drawing on a Board Member's Statement

What's interesting from an academic standpoint is that Robinson quotes Paul Christofano (known for his AI alignment research), who had only joined OpenAI's board of directors a few weeks prior, as evidence for his claim. He quotes Christofano's statement, "If this is the reality, then the trial-and-error era is over," and concludes with his own words, "People's safety cannot be protected by relying on individual heroic responses after the fact." By centering his quotes on the statements of a board member—an insider within the organization—rather than an outside third party, the argument suggests that this criticism is not merely an outsider's opinion, but a concern that is becoming shared within the organization.

In the Context of "A Week of Continued Departures of Safety Staff"

Robinson's resignation is not an isolated incident. According to reports, three safety researchers were fired from OpenAI a few days prior to his departure for allegedly sharing confidential information with an external organization, making Robinson the fourth person to leave the company's safety staff this past week. In the same week, it was revealed that OpenAI had withdrawn its new model, "GPT-6.1 Astra," from shipment at the last minute due to its failure to pass safety tests. The fact that multiple events—resignations, layoffs, and model shipment cancellations—have occurred in such a short period indicates that OpenAI's safety process is currently under considerable strain.

OpenAI's Own Response

In response to Robinson's essay, OpenAI stated that it maintains its commitment to safety, but has not officially acknowledged the "reckless, aggressive" approach he described. This dynamic—specific criticism from an insider and general counterarguments from the company—is a recurring pattern in recent reports on AI safety.

What Researchers Should Note

Shortly before Robinson's departure, OpenAI began deploying "Dots," an agent that operates independently of conversations. The fact that the author of the system card himself left the project arguing that "iterative deployment cannot fully guarantee safety" coincides with the deployment of more autonomous agent products. This suggests that his criticism should be read not merely as a summary of the past, but as a warning about the product development currently underway. We will continue to closely monitor to what extent the shift to a safety culture similar to that of nuclear power plants will actually be adopted as an industry standard.

OpenAIAI安全性David Robinsonプリペアードネス・フレームワーク企業文化

"The bug that made it all the way to Zuckerberg"—Meta Muse had a KVM escape vulnerability just before its release.

Meta's personal AI agent "Muse," released on September 8th, had a KVM escape vulnerability discovered just 11 days before its release, and 404 Media reported that the company was scrambling to fix it, working late into the night and through weekends. This article examines concerns about the possibility of accessing the company's internal database, the security researchers' assessment that the fix was "irresponsible," and concerns about the "half-hearted emergency fix" that have surfaced even within the company.

The Bug That Reached Zuckerberg

Meta's personal AI agent, "Muse," was released on September 8th. Just two weeks prior, on August 27th, the company's engineers were frantically working late into the night and through weekends to fix a bug. According to 404 Media, multiple vulnerabilities were discovered in the KVM (kernel-based virtual machine) that isolates each instance of Muse, allowing for "escape" outside the virtual environment. At least one of these vulnerabilities could potentially allow access to confidential Meta databases and services from a regular user's account. The seriousness of the problem was reported to CEO Mark Zuckerberg himself, leading to a frantic last-minute fix just before the release.

What is a "KVM Escape"?

To explain technically, each Muse agent is designed to run on an independent virtual machine for each user. This acts as a "cage," containing the impact of any malfunctions or misuse when the AI ​​agent performs computer operations (such as browser or file operations) within the virtual machine. "KVM escape" refers to a situation where the KVM itself is flawed, allowing a program that should be inside to access the real-world system outside. Meta treats this type of vulnerability as a serious issue, offering a $300,000 bug bounty for anyone who discovers it.

Harsh Assessment from a Security Researcher

Security researcher Patrick Wardle, who commented on the incident, gave a harsh assessment. He stated, "Frankly speaking, it's irresponsible to have access to the production environment separated by literally just a KVM escape," and pointed out that "a single misconfiguration or vulnerability in KVM itself, or in a service accessible from within the company, could allow arbitrary user code to gain access to the production environment." Wardle later reported a post-release zero-day vulnerability in the Muse macOS client, suggesting that this incident is not an isolated case.

Internal Voices Calling it a "Half-Baked Fix"

According to internal documents and testimonies from those involved obtained by 404 Media, there are voices within Meta questioning the robustness of this fix. One source reportedly described the measures implemented just before the launch as "half-baked protective measures to meet the release deadline." Furthermore, another internal source allegedly stated that "many senior engineers believe that a large-scale data breach is inevitable due to Hatch (Muse's internal codename)." Of course, this is testimony from an anonymous source, and Meta itself has not officially acknowledged this "desperate rush," only explaining that they are conducting extensive security testing and continuing to harden the product.

Design Challenges in an Era Where Agents Interact with "Real Computers"

This incident demonstrates the reality that, with AI agents now capable of actually operating computers, the robustness of virtualization and isolation technologies has become directly linked to the reliability of the product itself. As agents become capable of more—making reservations, shopping, writing emails—the importance of whether the infrastructure running those agents truly functions as a "cage" increases. The development cycle of patching vulnerabilities discovered just before release is not uncommon in the software industry, but the question remains how effective this approach is in a product like an AI agent, which deeply accesses users' personal data.

Things Engineers Should Keep an Eye On

Vulnerabilities in virtualization infrastructure, such as KVM escapes, are difficult to find and time-consuming to fix. Now, a month after release, there are limited external means to verify how much of the structural concerns pointed out by Wardle—the design itself where "the distance to the production environment is limited to a single vulnerability"—have been rectified. How this kind of "cage for running agents" design philosophy is handled by competing AI agent products other than Muse will likely be a point worth comparing in the future.

MetaMuseAIエージェントサイバーセキュリティ仮想化

A demo where visitors can "kick" it themselves to test it out—testing RoboParty's open-source humanoid "RP1" with IROS.

RoboParty unveiled its full-stack open-source humanoid robot, "RP1," at IROS 2026 on September 28th. The "Kick Me" demo, which allows attendees to test the robot's performance by pushing and kicking it, the step-by-step technical build-up from the RPO (Resource Point Objective), and the technical backing of the unsupervised reinforcement learning framework "UFO" will be evaluated from the perspective of high verifiability.

A Demo Where Visitors Can "Kick" and Test It Themselves

On September 28th, at IROS 2026 held in Pittsburgh, USA, RoboParty unveiled its new humanoid robot, "RP1 (ROBOTO 01)." The "Kick Me" demo conducted at their booth was particularly interesting. Visitors could actually push and kick the robot, allowing them to personally verify its balance recovery capabilities. As I've pointed out many times before, in this industry, there are countless cases where "pre-choreographed videos" are presented as "autonomous performance." This format, where visitors can personally introduce disturbances for verification, is a distinctly different approach with high verifiability, and I would like to commend it for that.

A Steady Open Source Strategy Built from RPO

RP1 is not a project that suddenly appeared. In January of this year, RoboParty released its first open-source humanoid robot, "RPO (ROBOTO ORIGIN)," which garnered over 2,500 stars on GitHub and generated numerous community-based projects and reproductions. Since then, they have progressively released their proprietary actuator module "Romomo," the dexterous robotic hand "RP Hand," and the development platform "PartyOS." RP1 brings together this entire process. It integrates the bipedal body and motion control (RPO), the core actuator (Romomo), and the dexterous operation and interaction (RP Hand) into a humanoid system for research and development. This development process—not releasing a complete version all at once, but rather verifying and releasing each element in stages—is itself a valuable indicator of technical reliability.

Technical backing: Unsupervised reinforcement learning

The balance recovery demo is supported by the "UFO" framework integrated into PartyOS. RoboParty's abbreviation stands for "A General Unsupervised Reinforcement Learning Framework for Humanoid Control," and it is described as a learning platform that enables humanoid robots to acquire motor skills through unsupervised reinforcement learning. It is designed not to rely solely on predetermined movement trajectories, but to learn dynamic behaviors that cannot be entirely predetermined, such as transitions between skills, recovery from being pushed or kicked, and recovery from falls. RoboParty's explanation that the peak torque of the joints reaches 160 N·m, and that the robot body, actuators, low-level control, and intelligence algorithms are treated as an integrated development system, can be interpreted as an emphasis on the overall system integrity rather than selling individual technological elements as independent components.

A Counterpoint to "Closed Systems"

RoboParty founder Yi Huang states that "humanoid robots should not be closed systems that only a select few teams can build, and others can only watch." This statement is positioned as a clear counterpoint to the business model of major manufacturers that sell finished products while keeping the internal workings a black box. The plan is not only to individually release mechanism drawings and software modules, but also to gradually release the robot body, motion control system, simulation environment, SDK, learning tools, and development platform. To what extent they will achieve a "full-stack" level of release remains to be seen, and we will have to wait for the detailed roadmap to be announced in October.

Diverse Backgrounds Including Tsinghua University, Peking University, and CMU

It's also worth mentioning the team's composition. The core members span various fields including robot hardware, motion control, AI, system software, and manufacturing engineering, and include graduates from universities such as Tsinghua University, Peking University, Harbin Institute of Technology, Stanford University, Carnegie Mellon University, and Zhejiang University. A developer community of over 5,000 people is already being built, and whether a community of this size actually uses, modifies, and reproduces RP1 will be a key indicator of its effectiveness as an open-source project.

Things Engineers Should Pay Attention To

The value of the "Kick Me" demo lies not merely in showcasing its robustness, but in the format itself, which allows attendees—third parties—to directly verify its capabilities on the spot. This transparency stands out compared to previous announcements touting "autonomy," where everything relied on pre-recorded footage. However, the performance demonstrated in a live demo is a separate issue from whether the mass-produced and shipped units will operate stably over the long term. We will continue to closely monitor the details of the roadmap scheduled for October and how concrete the mass production plan, expected in the second half of the fourth quarter, becomes.

RoboPartyRP1オープンソースロボットヒューマノイドIROS2026
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