NEW YORK, March 5, 2026, 16:50 (EST)
- Sources tell us Palantir’s Maven Smart Systems runs on Anthropic’s Claude code.
- U.S. defense officials told contractors to sever their commercial relationships with Anthropic.
- Palantir slipped roughly 0.3% on Thursday.
Palantir Technologies Inc is being forced to overhaul its Maven Smart Systems, which serves the Pentagon, after U.S. defense officials ordered contractors to sever commercial deals with AI lab Anthropic, according to two sources. Maven’s workflows currently run on Claude, Anthropic’s AI model, and Palantir is now required to replace it, one person said. Defense Secretary Pete Hegseth has made it clear: “effective immediately” contractors are prohibited from “conduct[ing] any commercial activity” with Anthropic. CEO Alex Karp didn’t mince words, warning that companies who “screw the military” could face “the nationalization of our technology.” https://www.reuters.com/technology/palanti…
Maven Smart Systems, a software platform, assists militaries in analyzing intelligence and backing targeting decisions. For Palantir, this order arrives right as the Pentagon accelerates efforts to inject AI directly into operations—not just as a lab showcase.
Anthropic has been labeled a “supply chain risk” by the Pentagon, a move that could compel government contractors to strip its tools from critical networks, according to a Pentagon official on Thursday. https://www.reuters.com/technology/pentago…
Palantir’s contracts tied to Maven with the Defense Department and other U.S. national security agencies could be worth north of $1 billion, according to one source. Reworking sections of Maven on a different model might drag on for months, that person added, but there’s no firm timeline yet.
Government contracting attorneys say Lockheed Martin and other defense contractors are likely to comply with the Pentagon’s directive to remove Anthropic’s tools from their supply chains. The move highlights how a third-party model, once embedded in mission software, can rapidly turn into a bottleneck.
An industry association representing Nvidia, Amazon, and Apple is urging Hegseth not to invoke emergency “supply chain risk” authority over a procurement disagreement. “We are concerned,” wrote ITI CEO Jason Oxman, who warned that such a move could “undermine the government’s access to the best-in-class products and services.” Oxman added that “removing parts of these solutions … will be a complex endeavor.” https://www.reuters.com/business/retail-co…
Palantir slipped roughly 0.3% to $152.67 on Thursday, hovering in a range from $149.67 up to $156.22, LSEG data showed.
The real trouble hits in the transition. Swapping out Claude on short notice would likely bump up costs for Palantir, slow down updates, or cause hiccups as users get used to the new system; attorneys note the government’s ban might even end up in court.
The Pentagon, Anthropic, and Palantir all declined to say how Maven might be affected or when any changes could roll out. Customers and investors are left to wonder what gets pulled first, and when.
Anthropic spent years trying to break into national security contracts, and by late 2024, it landed a deal to bring its tech into Palantir’s offerings, Reuters reported. But friction emerged with the Pentagon over guardrails—restrictions like bans on domestic surveillance and autonomous weapons—that CEO Dario Amodei was unwilling to relax.
Legal verdict aside, U.S. defense contractors are suddenly having to identify their AI reliance piece by piece. Palantir faces a new challenge now: seeing if Maven keeps functioning as its underlying code gets swapped out.
