OpenAI Launches Daybreak in Effort to Woo Pentagon Away From Mythos – Moby BREAKING NEWS
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OpenAI announced its new effort to “accelerate cyber defense and continuously secure software” by introducing Daybreak after the bell on Monday.
“The goal is simple: accelerate cyber defenders and continuously secure software,” OpenAI said in a press release.
Daybreak is OpenAI’s answer to Anthropic’s now-mythologized Mythos, an LLM designed for corporate and national security applications.
OpenAI CEO Sam Altman said on the social media site X that AI is “already good,” and about to get “super good” at cybersecurity. “We’d like to start working with as many companies as possible now to help them continuously secure themselves,” Altman wrote.
CrowdStrike (CRWD), Palo Alto Networks (PANW), and Fortinet (FTNT) were relatively unchanged after-hours Monday when the news broke, which is either a sign that the markets are used to AI companies trying their best to take market share, or they weren’t all that impressed by OpenAI’s announcement… or both.
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OpenAI tells us there are three ways to deploy Daybreak, which “combines the intelligence of OpenAI models, the extensibility of Codex as an agentic harness, and our partners across the security flywheel to help make the world safer for everyone.” Step 1: Focus on the threats that matter. Step 2: Patch safely, at scale. Step 3: Verify every fix. They then provide three separate models contingent on what the business needs: GPT-5.5 (default), GPT-5.5 with Trusted Access for Cyber, and GPT-5.5-Cyber.
The timing of Daybreak’s launch was expected, given the on-again, off-again relationship between Anthropic and the Pentagon. OpenAI reached an agreement with the Pentagon in March to deploy advanced AI systems in classified environments, leading us to believe that Daybreak is the obvious follow-up.
So Altman is trying to offer the government a Mythos-equivalent from a vendor that isn’t blacklisted. But according to recent reports, the NSA is still using Mythos.
The question for the Pentagon now is, does it have the same stuff that Mythos has? If not, who will they turn to next if Mythos is still blacklisted?