national security

4 articles tagged with national security

July 18, 2026
model releaseMoonshot AI

Moonshot AI releases Kimi K3 open source model, claims frontier-level performance

Chinese company Moonshot AI released Kimi K3, an open source model that the company claims demonstrates frontier-level performance while trailing only Claude Fable 5 and GPT 5.6 Sol. Independent analyses from Arena.ai and Vals AI suggest the model is competitive with flagship frontier models, reigniting debate about Chinese AI capabilities and open source model development.

June 27, 2026
analysisAnthropic

U.S. clears Anthropic's Mythos 5 cybersecurity model for limited deployment after two-week ban

The U.S. Commerce Department has cleared Anthropic to restore access to its Mythos 5 AI model for select cybersecurity partners, two weeks after imposing export controls over jailbreak concerns. The related Fable 5 model remains under government restrictions.

model releaseAnthropic

Anthropic's Fable 5 model expected to return next week after 15-day government shutdown

The Trump administration is close to allowing Anthropic to restore access to its Fable 5 model, which has been offline for 15 days due to national security concerns. Insiders expect restrictions could be lifted as soon as next week, though Pentagon and NSA approval is still required.

April 20, 2026
product updateAnthropic+1

NSA Using Anthropic's Unreleased Mythos Model While Pentagon Labels Company Supply Chain Risk

The National Security Agency is using Anthropic's Mythos Preview, an unreleased cybersecurity model limited to roughly 40 organizations, according to Axios. The deployment comes weeks after the Department of Defense labeled Anthropic a "supply chain risk" following the company's refusal to grant Pentagon officials unrestricted access to its models.