Google DeepMind Staff Vote to Unionize Over Military AI Contracts
Key Points
- DeepMind employees in London voted to unionize with the Communication Workers Union and Unite the Union.
- The move aims to stop the lab’s AI models from being supplied to U.S. and Israeli militaries.
- Unionization effort began after Alphabet dropped its anti‑military AI pledge in February 2025.
- Workers cite a vague Pentagon contract that permits AI use for "any lawful government purpose."
- Google has defended its defense contracts, emphasizing human oversight for sensitive applications.
- If recognized, the union may demand termination of Google’s contract with the Israeli military and greater transparency.
- The action reflects growing labor activism across the AI industry, including recent open letters supporting Anthropic.
- Alphabet’s existing workers union remains unrecognized for collective bargaining, but has secured contractor agreements.
Employees at Google DeepMind’s London lab have voted to unionize, seeking to pressure the company into halting the use of its artificial‑intelligence models for military purposes. The move, driven by concerns that Alphabet dropped its pledge against weaponizing AI, marks the latest labor action at a major AI research center. Workers asked Google’s UK and Ireland managing director to recognize the Communication Workers Union and Unite the Union as joint representatives. The effort, which began in February 2025, reflects broader industry unease about AI’s role in defense and surveillance.
London—Employees at Google DeepMind voted this week to join the Communication Workers Union and Unite the Union, a step they say will give them leverage to block the lab’s AI technology from being supplied to the U.S. and Israeli militaries. In a letter to Debbie Weinstein, Google’s managing director for the United Kingdom and Ireland, the staff asked the company to recognize the two unions as joint representatives for DeepMind workers.
The union drive began in February 2025 after Alphabet removed a pledge from its ethics guidelines that prohibited the use of its AI for weapons development and mass surveillance. An anonymous DeepMind employee told WIRED that the change signaled a shift toward “further militarization of the AI models we’re building here.” Workers argue that the union will place collective pressure on management, which they describe as increasingly “deaf.”
John Chadfield, national officer for technology at the Communication Workers Union, said the push is fundamentally about holding Google to its own ethical standards. “Through the process of unionization, workers are collectively in a much stronger place to put demands to an increasingly deaf management,” he told WIRED.
DeepMind staff cite the company’s recent Pentagon deal, which allows the Department of Defense to use Google’s AI for “any lawful government purpose.” The New York Times reported that the clause is vague enough to be “effectively meaningless,” according to a DeepMind employee. Roughly 600 U.S.‑based Google employees signed a letter protesting the same deal, underscoring the global nature of the backlash.
Google has defended its contracts, with spokeswoman Jenn Crider stating that the company is proud to support national security while committing to not allow AI to be used for domestic mass surveillance or autonomous weapons without human oversight. The company has not yet responded to requests for comment on the union vote.
If the union is recognized, DeepMind workers say they will likely demand that Google withdraw from its long‑standing contract with the Israeli military and seek greater transparency about how its AI products are deployed. They also plan to request assurances regarding potential layoffs tied to automation.
The vote follows a broader wave of labor organizing in the AI sector. In late February, staff at DeepMind and OpenAI signed an open letter supporting Anthropic after the U.S. Department of Defense sought to label the lab a supply‑chain risk for refusing to enable its AI in autonomous weapons or mass surveillance. Both Anthropic and OpenAI have announced major expansions in London since the start of the year, prompting the Communication Workers Union to hope that DeepMind’s action will inspire similar efforts at other frontier labs.
While the Alphabet Workers Union, formed in 2021, remains unrecognized for collective bargaining, it has previously negotiated agreements on behalf of Google contractors. The DeepMind effort could represent a new front in tech labor relations, especially as AI research becomes increasingly entwined with national security interests.