Google DeepMind workers vote to unionize over classified Pentagon AI deal and military contracts

Reviewed byNidhi Govil

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Employees at Google DeepMind's London headquarters voted to unionize with 98% support, driven by concerns over the company's classified Pentagon AI deal and contracts with Israeli and US military forces. The workers are demanding stronger ethical standards on AI, an independent oversight body, and the right to refuse involvement in projects on moral grounds.

Google DeepMind Workers Push for Unionization Amid Military AI Concerns

Employees at Google DeepMind in London have voted to unionize, marking a significant moment in the AI industry's ongoing struggle over ethical boundaries and military partnerships. The workers sent a letter to Google's UK and Ireland managing director Debbie Weinstein, requesting recognition of the Communication Workers Union and Unite the Union as joint representatives for DeepMind staff

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. The vote, which took place in April 2025, saw 98 percent of CWU members at DeepMind casting ballots in favor of unionization

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. This effort represents the first attempt to unionize workers at a frontier AI laboratory globally, driven not by traditional labor concerns like wages or benefits, but by deep-seated objections to how their research is being deployed

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Source: ET

Source: ET

Classified Pentagon AI Deal Triggers Worker Action

The push for unionization began in February 2025, when Google's parent company Alphabet removed a pledge not to use AI for purposes like weapons development and surveillance from its ethics guidelines

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. The situation intensified when reports emerged that Google was close to reaching a classified Pentagon AI deal with the US Department of Defense. Last week, the Pentagon confirmed it had signed deals with seven leading AI companies, including Google, SpaceX, OpenAI, and Microsoft, allowing them to use AI models on classified networks for "any lawful government purpose"

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. More than 600 Google employees, including 20 directors and vice presidents, signed a letter protesting the deal before it was finalized

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. An additional 100 DeepMind employees separately signed an internal letter demanding that no DeepMind research or models be used for AI for weapons development or autonomous targeting

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Source: The Verge

Source: The Verge

Demands to Prevent Technology from Being Used by Military

The union demands extend beyond the Pentagon deal. Workers are calling for Google to end contracts allowing technology to be used by the Israeli and US military, restore commitments against building AI weapons or surveillance technology, and establish an independent ethics oversight body

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. They also want the right to refuse involvement in projects on moral grounds and stronger whistleblower protections

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. "We don't want our AI models complicit in violations of international law, but they already are aiding Israel's genocide of Palestinians," an unnamed DeepMind employee stated

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. Google has maintained a $1.2 billion cloud computing contract with the Israeli government since 2021 and reportedly expanded the Israel Defense Forces' access to its AI tools

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Erosion of Ethical Standards on AI and Worker Leverage

The current situation stands in stark contrast to 2018's Project Maven protest, when 4,000 Google employees successfully pressured the company to abandon a Pentagon contract using AI to analyze drone surveillance footage

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. Following that episode, Google published AI principles and built an ethics team. However, the company has since fired the leaders of that ethics team and removed explicit pledges against weapons development from its published principles

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. "Fundamentally, the push for unionization is about holding Google to its own ethical standards on AI, how they monetize it, what the products do, and who they work with," John Chadfield, national officer for technology at the CWU, explained

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. The classified deal gives the Pentagon access to Google's AI models on air-gapped networks where the company cannot monitor queries, outputs, or decisions

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Industry-Wide Implications and Anthropic's Resistance

The unionization effort reflects broader tensions across the AI industry. In late February, staff at DeepMind and OpenAI signed an open letter supporting Anthropic after the US Department of Defense designated the lab a supply chain risk over its refusal to allow its AI to be used in autonomous weapons or for mass surveillance

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. Anthropic maintained ethical limits and insisted its models not be used for autonomous weapons or mass domestic surveillance, while Google's deal is reportedly more permissive than OpenAI's, which retains "full discretion" over safety mechanisms

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. The Pentagon retaliated against Anthropic by ordering the military to stop using its products and signing deals with seven other companies that agreed to terms Anthropic rejected

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. Google defended its position, stating it remains "committed to the private and public sector consensus that AI should not be used for domestic mass surveillance or autonomous weaponry without appropriate human oversight"

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. However, workers note the contracts include only advisory guardrails, and on classified networks, there is no independent verification that any guardrail is honored

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. The CWU hopes this unionization effort will inspire similar action at other frontier labs, with both Anthropic and OpenAI having announced large-scale expansions in London since the start of the year

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