OpenAI Secures Pentagon AI Deal as Anthropic Is Blacklisted Over Security Risks

OpenAI reached a deal late Friday to deploy its artificial intelligence models on the Pentagon’s classified networks, just hours after President Donald Trump ordered all federal agencies to stop using Anthropic’s technology and the Defense Department labeled the rival AI firm a national security “supply‑chain risk.”cnn +1 The decision abruptly ended talks over a Pentagon contract with Anthropic reportedly worth up to $200 million and signaled a major shift in how Washington will balance military needs against corporate AI safety guardrails.fortune +1
Trump’s directive on February 27 ordered agencies to “immediately cease” using Anthropic tools, while Defense Secretary Pete Hegseth’s designation barred federal contractors from relying on the company and set a six‑month phaseout for its systems already embedded in defense platforms.nbcnews +1 Anthropic, which had refused to allow its models to be used for domestic mass surveillance or fully autonomous lethal weapons, said it would challenge the designation in court, calling it legally unsound and a dangerous precedent.ft
How OpenAI’s Deal Differs From Anthropic’s Collapse
OpenAI said its agreement allows the Defense Department to use its models inside classified systems but includes explicit bans on domestic mass surveillance and fully autonomous weapons, along with technical safeguards and dedicated oversight staff.cnn +1 CEO Sam Altman argued the Pentagon “agrees with these principles” and urged officials to extend the same terms to all AI providers, an implicit defense of Anthropic’s rejected red lines.politico +1
By contrast, Pentagon negotiators had pressed Anthropic for a blanket commitment to support “all lawful purposes,” a demand that would have overridden its internal prohibitions and allowed uses such as wide‑area U.S. surveillance and autonomous targeting so long as they complied with U.S. law.fortune +1 When Anthropic refused to drop those limits, talks broke down and Hegseth moved to blacklist the company as a risk to the defense supply chain, a tool typically reserved for foreign or hardware suppliers rather than domestic software firms.wired +1
Industry Stakes and a New AI Security Doctrine
The confrontation immediately reshaped the race for Pentagon AI business. With Anthropic sidelined, OpenAI joins other major players — including Google and Elon Musk’s xAI — that have secured access to deploy large models on classified networks, positioning themselves for billions of dollars in future defense work.fortune +1 Investors and analysts said Anthropic’s exclusion could weigh on its valuation and IPO prospects, while signaling to the wider sector that insisting on strong usage guardrails may jeopardize access to federal contracts.ft +1
Legal and policy experts warned that using supply‑chain risk powers against a U.S. AI lab stretches existing tools and could chill companies from pushing back on government demands, especially in sensitive domains like surveillance and weapons.wired +1 Civil‑liberties and human‑rights groups, meanwhile, cautioned that if firms are pressured to relax safeguards, the result could be broader domestic monitoring and more automated targeting capabilities embedded into U.S. military doctrine.aljazeera +1
The Bigger Picture
The twin moves to ban Anthropic and embrace OpenAI crystallized a larger struggle over who sets the limits on frontier AI: elected officials and national‑security planners, or the tech companies building the systems. The outcome of Anthropic’s planned legal challenge and the durability of OpenAI’s promised safeguards are likely to shape not only future Pentagon procurement rules but also how much control private labs retain over how their most powerful models are ultimately used.
Sources
cnn
OpenAI strikes deal with Pentagon hours after Trump admin bans Anthropic
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OpenAI strikes deal with Pentagon, hours after rival Anthropic was blacklisted by Trump
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Hours after Donald Trump bans Anthropic, Sam Altman announces deal with Pentagon, publicly tells Anthropi
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Trump Orders U.S. Agencies to Stop Using Anthropic AI Tech After Pentagon Standoff
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Trump bans AI firm Anthropic from federal agencies
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bbc
Trump orders government to stop using Anthropic in battle over AI use
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Pentagon declares Anthropic a threat to national security
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nytimes
OpenAI Reaches A.I. Agreement With Defense Dept. After Anthropic Clash You have a preview view of this article while we are checking your access. When we have confirmed access, the full article content will load. OpenAI, the maker of ChatGPT, said on Friday that it had reached an agreement with the Pentagon to provide its artificial intelligence technologies for classified systems, just hours after President Trump ordered federal agencies to stop using A.I. technology made by rival Anthropic. ...
cnn
OpenAI strikes deal with Pentagon hours after Trump admin bans Anthropic OpenAI CEO Sam Altman announced late Friday that the company had signed a deal with the Pentagon for its AI toolsto be used in the military’s classified systems, but with seemingly similar guardrails rival Anthropic had also requested. The deal with OpenAI comes the same day President Donald Trump announced all federal government agencies must cease using Anthropic’s AI tools, and Defense Secretary Pete Hegseth declar...
cnbc
OpenAI strikes deal with Pentagon after Anthropic blacklisted by Trump Sam Altman, chief executive officer of OpenAI Inc., at the AI Impact Summit in New Delhi, India, on Thursday, Feb. 19, 2026. Prakash Singh | Bloomberg | Getty Images OpenAI CEO Sam Altman said late Friday that his company has agreed to terms with the Department of Defense on use of its artificial intelligence models, shortly after President Donald Trump said the government won't work with AI rival Anthropic. "Tonight, we ...
washingtonpost
Pentagon declares Anthropic a threat to national security Democracy Dies in Darkness Defense Secretary Pete Hegseth declared Anthropic a “supply-chain risk,” blocking all federal agencies and contractors from doing business with the company. Updated February 27, 2026 at 6:48 p.m. EST9 minutes ago The Trump administration placed AI firm Anthropic on a far-reaching national security blacklist Friday, directing federal agencies to stop using its technology and banning any other company th...
reuters
Exclusive: Pentagon clashes with Anthropic over military AI use, sources say * Summary * Companies * Pentagon and Anthropic at standstill over AI deployment guardrails * Anthropic raises concerns over AI use for U.S. surveillance and autonomous weapons * Pentagon insists on deploying AI tech irrespective of company usage policies WASHINGTON/SAN FRANCISCO, Jan 29 (Reuters) - The Pentagon is at odds with artificial-intelligence developer Anthropic over safeguards that would prevent the gove...
bbc
Trump has ordered government agencies to stop using Anthropic AI tools Trump orders government to stop using Anthropic in battle over AI use Kali Hays,technology reporterand Lily Jamali,North America technology correspondent US President Donald Trump has said he would direct every federal agency to immediately stop using technology from AI developer Anthropic. "We don't need it, we don't want it, and will not do business with them again!" Trump wrote in a Truth Social post on Friday. Ant...
ft
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politico
OpenAI announces new deal with Pentagon — including ethical safeguards He added that “we are asking the [Defense Department] to offer these same terms to all AI companies.” Altman’s statement came hours after President Donald Trump and Defense Secretary Pete Hegseth lashed out at Anthropic for insisting on similar restrictions on its software’s uses at the Pentagon. Trump labeled Anthropic a “A RADICAL LEFT, WOKE COMPANY,” ordering all federal agencies to cease their use of its s...
npr
Trump bans Anthropic from use in government systems : NPR President Trump bans Anthropic from use in government systems The Pentagon is seen from an airplane, Monday, Feb. 2, 2026, in Washington. Julia Demaree Nikhinson/Associated Press hide caption toggle caption Julia Demaree Nikhinson/Associated Press President Trump ordered the U.S. government on Friday to stop using the artificial intelligence company Anthropic's products and the Pentagon moved to designate the company a national secur...
aljazeera
OpenAI strikes deal with Pentagon to use tech in ‘classified network’ | Weapons News Sam Altman claims his technology will not be used by US military for ‘domestic mass surveillance’ or ‘autonomous weapons’. OpenAI CEO Sam Altman said his company has reached a deal with the United States Department of Defense after its previous contractor Anthropic voiced ethical concerns about the military’s use of its artificial intelligence (AI) technology. In a statement shared on X late on ...