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Storia in 10 fonti

How OpenAI GPT 5.5 Cyber Beats Claude Mythos 5

OpenAI just rolled out the full version of GPT 5.5 Cyber, a specialized AI built for cybersecurity. And they're pretty excited about one thing: it beat Anthropic’s Claude Mythos 5 on CyberGym, which is a tough benchmark that tests whether AI can spot known software vulnerabilities. This launch follows a preview version from a few months ago and really shows OpenAI is putting more energy into cybersecurity as a major use case for advanced AI.This new model doesn’t just find basic vulnerabilities. OpenAI says GPT 5.

Raccontata da

thehackernews.com

gadgetsnow.indiatimes.com

the-decoder.com

cryptobriefing.com

Confronto fonti

6 prospettive sulla stessa storia

AI · summaries

gadgetsnow.indiatimes.comStai leggendo1 mese fa

How OpenAI GPT 5.5 Cyber Beats Claude Mythos 5

OpenAI released GPT 5.5 Cyber, a security-focused model that scored 85.6% on CyberGym, surpassing Claude Mythos 5 (83.8%). Specialized AI for security outperforms generalist models on threat detection; IT leaders evaluating defense infrastructure face a trade-off between narrow accuracy and multi-purpose flexibility.

Timeline cronologica

lunedì 22 giugno 2026·wired.com
OpenAI Launches Full-Scale Effort to Patch Open-Source Bugs as It Takes on Anthropic’s Mythos
Amid concerns about AI models’ cybersecurity capabilities, OpenAI revealed an improved version of GPT-5.5-Cyber and its “Patch the Planet” initiative to fix open-source software…
lunedì 22 giugno 2026·benzinga.com
OpenAI Says AI Broke Cybersecurity — Now It Wants AI To Fix It
OpenAI expanded its cybersecurity effort with a wider Codex Security release and the launch of GPT-5.5-Cyber for vetted defenders.

neowin.net1 mese fa

OpenAI's new GPT-5.5-Cyber tops Claude Mythos 5 in vulnerability benchmark

OpenAI released GPT-5.5-Cyber (85.6% CyberGym vs Claude Mythos 5's 83.8%) with Codex Security validated on 30M+ commits. For enterprises at scale, the bottleneck is patching—agentic reasoning automates vulnerability validation and patch generation, integrating SARIF/CodeQL to compress discovery-to-fix cycles.

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the-decoder.com1 mese fa

OpenAI says new GPT-5.5-Cyber outperforms Anthropic's Mythos on cybersecurity benchmark

OpenAI is expanding its Daybreak cybersecurity initiative with an updated Codex Security plugin, the full GPT-5.5-Cyber model, and a partner network with more than 25 security firms and several governments. The focus…

Leggi questa versione → originale

decrypt.co1 mese fa

OpenAI's GPT-5.5 Cyber AI Beats Anthropic's Banned Mythos Model—And Nobody's Shutting It Down - Decrypt

GPT-5.5 Cyber tops the CyberGym leaderboard as Anthropic's best models sit offline under a Trump administration export ban.

Leggi questa versione → originale

wired.com1 mese fa

OpenAI Launches Full-Scale Effort to Patch Open-Source Bugs as It Takes on Anthropic’s Mythos

OpenAI launches Patch the Planet to help open source patch vulnerabilities: 30+ projects, hundreds of bugs found in week one. GPT-5.5-Cyber (85.6% CyberGym) beats Mythos 5 (83.8%); OpenAI secures dominance over AI-driven security governance in critical open source while export controls undermine Anthropic's competitive position.

Leggi questa versione → originale

cryptobriefing.com1 mese fa

OpenAI rolls out cybersecurity models rivaling Anthropic's Mythos as White House stays quiet

OpenAI's GPT-5.5-Cyber matches Anthropic's Mythos on cybersecurity benchmarks but faces no White House restrictions, raising questions about selective AI

Leggi questa versione → originale

martedì 23 giugno 2026·

thehackernews.com

OpenAI Expands Daybreak With GPT-5.5-Cyber to Help Defenders Patch Security Flaws

OpenAI is releasing GPT-5.5-Cyber, Codex Security updates, and Patch the Planet to help defenders validate and patch vulnerabilities.

martedì 23 giugno 2026·

neowin.net

OpenAI's new GPT-5.5-Cyber tops Claude Mythos 5 in vulnerability benchmark

OpenAI is rolling out the full, limited-release version of GPT-5.5-Cyber—a specialized AI model that outperforms its predecessors and Claude Mythos 5 in security benchmarks like…

martedì 23 giugno 2026·

gadgetsnow.indiatimes.com

How OpenAI GPT 5.5 Cyber Beats Claude Mythos 5

OpenAI just rolled out the full version of GPT 5.5 Cyber, a specialized AI built for cybersecurity. And they're pretty excited about one thing: it beat Anthropic’s Claude Mythos 5…

martedì 23 giugno 2026·

gadgetsnow.indiatimes.com

Claude Mythos 5: How OpenAI GPT 5.5 Cyber Beats Claude Mythos 5

OpenAI just rolled out the full version of GPT 5.5 Cyber, a specialized AI built for cybersecurity. And they're pretty excited about one thing: it beat Anthropic’s Claude Mythos 5…

martedì 23 giugno 2026·

the-decoder.com

OpenAI says new GPT-5.5-Cyber outperforms Anthropic's Mythos on cybersecurity benchmark

OpenAI is expanding its Daybreak cybersecurity initiative with an updated Codex Security plugin, the full GPT-5.5-Cyber model, and a partner network with more than 25 security…

martedì 23 giugno 2026·

heise.de

GPT-5.5-Cyber schlägt Mythos: Update für Sicherheitsmodell von OpenAI

Mit einer Sicherheitsinitiative geht OpenAI in Konkurrenz zu Anthropics Mythos und bietet zudem einen Sicherheits-Review-Service für Open-Source-Projekte.

martedì 23 giugno 2026·

decrypt.co

OpenAI's GPT-5.5 Cyber AI Beats Anthropic's Banned Mythos Model—And Nobody's Shutting It Down - Decrypt

GPT-5.5 Cyber tops the CyberGym leaderboard as Anthropic's best models sit offline under a Trump administration export ban.

martedì 23 giugno 2026·

t3n.de

Sicherheitslücken finden: OpenAIs GPT-5.5-Cyber soll Anthropics Mythos 5 übertreffen | t3n

OpenAI hat sein auf KI-Sicherheit spezialisiertes Modell GPT-5.5-Cyber upgedatet. Die neue Version soll Anthropics Mythos 5 beim Auffinden von Sicherheitslücken in großen…

martedì 23 giugno 2026·

cryptobriefing.com

OpenAI rolls out cybersecurity models rivaling Anthropic's Mythos as White House stays quiet

OpenAI's GPT-5.5-Cyber matches Anthropic's Mythos on cybersecurity benchmarks but faces no White House restrictions, raising questions about selective AI

martedì 23 giugno 2026·

cryptobriefing.com

OpenAI's GPT-5.5 surpasses Anthropic's Mythos in key AI evaluation

OpenAI's GPT-5.5 surpasses Anthropic's Mythos in a key evaluation. Google having the best AI model by June 2026 at 0.5% YES.