Updated Jul 24

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OpenAI, Google, Microsoft, and Anthropic Back Unified AI Training Opt-Out in Robots.txt

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OpenAI, Google, Microsoft, and Anthropic Back Unified AI Training Opt-Out in Robots.txt

The four largest Western AI labs will honor a single robots.txt policy token that lets website owners opt out of AI training across all their crawlers at once. Anthropic has already begun implementation; OpenAI, Google, and Microsoft follow in 2027.

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OpenAI Acquires Pierre to Build End-to-End Dev Platform in Codex

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AI Auditors Catch Agent Misbehavior But Flood Reviewers With False Alarms

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OpenAI CTO Mira Murati Steps Down

Leadership Shifts at AI Giant

OpenAI CTO Mira Murati Steps Down

By OpenTools TeamJuly 24, 2026

In a surprising move, OpenAI CTO Mira Murati has announced her departure from the company to pursue personal exploration. Two other top leaders are also leaving, marking a significant shift at the AI research powerhouse.

OpenAI Chief Technology Officer (CTO) Mira Murati has announced her departure from the company, sharing the news in a note to staff on the social media platform X. Her decision marks the end of a significant tenure in which she oversaw key initiatives such as the launch of ChatGPT and the company's text-to-image generator, DALL-E. Murati's departure coincides with the exits of two other prominent OpenAI leaders: Bob McGrew, Chief Research Officer, and Barret Zoph, Vice President of Post Training. The company’s CEO, Sam Altman, confirmed in a separate note that these decisions were made independently and amicably.

Murati's exit comes at a time of significant change and achievement for OpenAI. The company recently raised billions of dollars in funding and is transitioning to a for-profit business model, with Altman poised to receive a 7-percent equity stake. Her decision also coincides with OpenAI's preparations for its annual Dev Day conference, highlighting the organization's current growth trajectory. In her message to staff, Murati expressed her desire to create time for her own exploration while ensuring a smooth transition for the team she leaves behind.

Murati's role at OpenAI has been marked by her commitment to advancing artificial intelligence (AI) technologies. Her leadership was instrumental in bringing about significant innovations in the AI field, including making safety research practical and accessible. She emphasized the importance of her team’s work in adapting AI technology to be more robust, aligned, and steerable. This focus has allowed OpenAI to maintain its position at the forefront of AI innovation, accomplishing milestones that have had a meaningful impact on the industry.

Sam Altman, in his memo to employees, acknowledged Murati’s substantial contributions to OpenAI, highlighting her role in propelling the company from a relatively unknown research lab to a leading entity in the AI sector. Altman also mentioned the upcoming changes in leadership, with Mark being appointed as the new Senior Vice President (SVP) of Research, and Jakub stepping into the role of Chief Scientist. Other key leadership roles were also announced, ensuring that the company is positioned to continue its progress.

The leadership changes come almost a year after a boardroom coup that temporarily ousted Altman as CEO, with Murati stepping in as the temporary leader. During her interim leadership, she managed to maintain stability within the company, steering it through a tumultuous period and ensuring the continuity of its operations. Her departure, while abrupt, is seen as part of the natural progression for a rapidly growing and highly demanding company like OpenAI.

As OpenAI moves forward, these changes are viewed as an opportunity to bring fresh perspectives into the company's leadership, potentially driving further innovation. The decision by Murati, McGrew, and Zoph to step down simultaneously, although independent, aligns with the timing of OpenAI's recent successes and strategic shifts. This transition period is crucial for the company as it seeks to build on its current momentum and achieve its long-term objectives in the AI landscape.

In his closing remarks, Altman expressed gratitude for the departing leaders' dedication and hard work. He noted that leading a team at OpenAI is an all-consuming endeavor, emphasizing the relentless nature of their roles. The smooth handover of responsibilities to the new leadership team is underway, with a clear succession plan in place to ensure continued progress. The company's focus remains on advancing artificial general intelligence (AGI) and leveraging their research to benefit hundreds of millions of users globally.