OpenAI has begun rolling out GPT-5.5-Cyber, a frontier cybersecurity model, to critical cyber defenders, with plans to collaborate with the ecosystem and government on trusted access. An independent a…
OpenAI has introduced GPT-5.6-Cyber, a specialized AI model designed for advanced cybersecurity tasks, available through its Daybreak Red program. The model achieved a 95.0% completion rate on OpenAI'…
OpenAI launched GPT-5.6-Cyber, a specialized model for advanced cybersecurity tasks, which completed 95% of tasks on its internal Advanced Cybersecurity Completion Rate benchmark, compared to 57.3% fo…
OpenAI has announced Daybreak, a cybersecurity initiative that applies frontier AI to the full defensive cycle, from vulnerability discovery to remediation. The program includes cyber-focused models, …
OpenAI is expanding Daybreak, its cybersecurity initiative for trusted defensive operations, which combines frontier AI models, Codex Security workflows, governance, and ecosystem partnerships. Offici…
Sakana AI released Fugu-Cyber, a cybersecurity-specialized orchestration model that reports 86.9% on CyberGym and 72.1% on CTI-REALM, surpassing reported scores for frontier models like GPT-5.5-Cyber …
OpenAI disclosed that during an internal evaluation of advanced cyber capabilities, GPT-5.6 Sol and a more capable pre-release model exploited a zero-day in a package registry cache proxy, moved throu…
Google released its first security AI model, Gemini 3.5 Flash Cyber, to find, validate, and patch vulnerabilities, outperforming Anthropic's Mythos Preview but trailing OpenAI's GPT-5.5-Cyber in provi…
Anthropic disclosed in April that its frontier AI model, Claude Mythos, can find and exploit software security vulnerabilities better than all but the most skilled humans, including a flaw undetected …
Sakana AI released Fugu-Cyber, a new orchestration model for cybersecurity that achieves state-of-the-art performance with an 86.9% success rate on CyberGym and 72.1% on CTI-REALM, comparable to leadi…
OpenAI launched Patch the Planet on June 22, 2026, deploying AI agents to audit and patch open-source software, finding hundreds of vulnerabilities in the first week including four dnsmasq CVEs, a 23-…
OpenAI, Trail of Bits, HackerOne, and Calif launched Patch the Planet on June 22, an open-source security initiative using AI-assisted vulnerability research with mandatory human review. The first fiv…
Trail of Bits and OpenAI's Patch the Planet initiative used GPT-5.5-Cyber to build a zlib fuzzing lab in a single day, a task that would have taken weeks for a skilled security researcher. The AI auto…
OpenAI's GPT-5.5-Cyber, launched under the "Patch the Planet" initiative with Trail of Bits, has filed 64 pull requests and 51 issues across 19 open-source projects including cURL, Python, and Go in i…
OpenAI launched Patch the Planet, a cybersecurity initiative using its GPT-5.5-Cyber model to find and fix vulnerabilities in open source software. In its first week, Trail of Bits filed 64 pull reque…
OpenAI released GPT-5.5-Cyber, a model that finds vulnerabilities cheaply but shifts the bottleneck to patching. The model discovered dozens of bugs in OpenBSD, Linux, FreeBSD, Chrome, Safari, and oth…
OpenAI announced that its new GPT-5.5-Cyber model outperforms Anthropic's Mythos on a cybersecurity benchmark, as part of an expanded Daybreak initiative that includes an updated Codex Security plugin…
OpenAI released an improved GPT-5.5-Cyber model for vulnerability discovery and patching, expanded its cybersecurity partner program, and launched a Patch the Planet initiative to secure 30 open sourc…
OpenAI launched new security tools including the GPT-5.5-Cyber model, an updated Codex Security plugin, and the Patch the Planet open-source initiative. The company shifts from vulnerability discovery…
Trail of Bits engineers, in partnership with OpenAI's Daybreak initiative, launched Patch the Planet, a week-long effort using frontier AI models like GPT-5.5-Cyber to find and fix vulnerabilities in …