# Anthropic researcher says AI has more than 10% chance of 'killing all humans' after colleague quits

> **Open Intelligence Dossier** · First detected: 2026-09-09 09:07 UTC · Category: Business

## Executive Summary
An Anthropic safety lead warns of a greater than 10% chance that artificial intelligence could kill all humans following a high-profile resignation.

## Intelligence Brief
A safety lead at the AI company Anthropic has asserted that there is more than a 1 in 10 chance that artificial intelligence could result in the death of all humans. This warning comes in the wake of a colleague's decision to resign from the organization. The departing researcher has not only left Anthropic but has chosen to leave the entire field of artificial intelligence. This researcher characterized the current state of the industry as gambling with human lives and described the technology as a direct threat to humanity. Coverage of these events has been reported by The Verge, BBC, and Yahoo Finance.


The BBC and The Verge both focused on the specific statistical warning provided by the safety lead, emphasizing the quantitative estimate of a more than 10% probability of human extinction. Yahoo Finance centered its reporting on the motivations of the resigning researcher, highlighting his view that the trajectory of AI development constitutes a gamble with the lives of people and a fundamental threat to the human species. This development highlights an internal divide regarding safety protocols and the existential risks associated with advanced AI models. The context provided by the reporting suggests that the resignation was motivated by a belief that the industry is operating under dangerous conditions. By leaving the field entirely, the former employee has signaled a total loss of confidence in the ability of the current AI framework to ensure human survival, while the remaining safety lead provides a specific, non-negligible probability for a worst-case scenario.


Future developments to watch include whether other researchers at Anthropic or other AI firms echo these warnings or if the organization provides a rebuttal to the claim of a 10% extinction risk. The industry will be monitored to see if more personnel leave the field of AI over similar concerns about the threat to humanity. Coverage does not yet specify if Anthropic has issued an official corporate statement regarding the safety lead's estimate or the colleague's resignation.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| The Verge | More than 1 in 10 chance AI ‘could kill all humans,’ says Anthropic safety lead after colleague quits | [Source Link](https://news.google.com/rss/articles/CBMikAFBVV95cUxOUzV4WU5VTmNDYkltekZvM05WTGNOVTgwWG9RakppVGk2Q1RGMFE5ZC1pWG9DcWtpYWlrMEh6TWswdXBEUkFUZHJzNy1UaExWT0hHZ1dPeHRCc2t4VDRYaU5Zdl9jbndfUTVTYThOX2Q4MHBiR0poTDBiMzE1LThYaFc0NkJkNFI4UTdXZXZQQ0k?oc=5) |
| Yahoo Finance | 'Gambling with our lives': AI researcher quits Anthropic and leaves AI entirely over what he calls a threat to humanity | [Source Link](https://news.google.com/rss/articles/CBMinwFBVV95cUxObEZZNFJDX3NGQjFILVlIOEJFcTcwLThmRHNTLUR2RHZXMng0R09KMDFyNUF2ampudkNkdGNyVUlUUmZpX3VpbnIzakp5UFN0S3FHV2VxTWZCRDJkc3k2Yl9Ga19ubGF0OFRpSUFYWTJjMS0wbWpuZDQ5ZXU2VGFNZURfdmpBV2Z4bExEOFVDRFducnJPUl9QU0p6TS05U2M?oc=5) |
| BBC | Anthropic safety researcher says more than 10% chance AI 'could kill all humans' | [Source Link](https://news.google.com/rss/articles/CBMiWkFVX3lxTFB6WDZoOFRnTjQ5WW5vMUJKeThhbUUyUTlaeXdKbUhoNE5WNDhnVjhmM080N3p3ZFJfSm9ncUZtblZDRm1YU1hYbjBZZ3ZXNkRjSmNBUmdTa0tCZw?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-09/anthropic-researcher-says-ai-has-more-than-10-chance-of-killing-all-humans*