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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 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 dawired.comneowin.netgadgetsnow.indiatimes.comthe-decoder.comheise.dedecrypt.cot3n.decryptobriefing.com

Confronto fonti

6 prospettive sulla stessa storia
AI · summaries
gadgetsnow.indiatimes.comStai leggendo1 g fa

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 on CyberGym, which is a tough benchmark…

originale

Timeline cronologica

  1. 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…

  2. 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…

neowin.net
1 g 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.

Leggi questa versione → originale
the-decoder.com1 g 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 g 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
cryptobriefing.com1 g 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
wired.com2 g 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
  • 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.