The Meta-backed company will help the US Defense Department sift data and support decision-making under a deal announced on 6 May.
The award is five times larger than the $100 million contract Scale AI received in September 2025, reflecting expanded military use of artificial intelligence.
Dan Tadross, who leads Scale AI's public sector business, said the Pentagon had been pushing the limits of the earlier agreement.
With Anthropic blacklisted, must AI firms now choose between their ethics and lucrative Pentagon contracts?
Is the Pentagon's AI push creating military dominance or just fueling a more dangerous global arms race?
As the Pentagon bets billions on AI, who is liable when a 'black box' algorithm makes a fatal mistake?
Pentagon's $500M AI Multi-Vendor Strategy with Tech Giants Powers Classified Military Networks
Overview
In May 2026, the Pentagon announced classified AI contracts with eight leading tech companies, requiring their AI systems to operate on the highest security cloud environments. This followed the exclusion of Anthropic due to ethical disagreements, prompting a multi-vendor strategy to avoid reliance on a single provider. Scale AI leads the Defense Innovation Unit's Thunderforge program, deploying AI agents for military planning across key theaters, while the GenAI.mil platform, launched in late 2025, provides AI tools to over 1.3 million personnel using a multi-vendor architecture. These initiatives enhance battlefield decision-making and situational awareness, driving a rapid AI integration that raises new ethical, security, and training challenges amid an intensifying global AI arms race.