After Anthropic unveiled its Claude Mythos AI model, OpenAI introduced its own cybersecurity-focused model, GPT-5.4-Cyber.

OpenAI launches GPT-5.4-Cyber with selective access for verified defenders, adding a cyber-focused model and tighter controls ...

GPT-5.4-Cyber launch expands defender access and helped fix 3,000+ vulnerabilities, strengthening proactive cybersecurity ...

OpenAI launches GPT-5.4-Cyber with binary reverse engineering for verified defenders, scaling access to thousands as it ...

Artificial intelligence company OpenAI said Tuesday that it would release its latest cybersecurity model to a limited number ...

Opus 4.7 utilizes an updated tokenizer that improves text processing efficiency, though it can increase the token count of ...

April 14 (Reuters) - OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model fine-tuned specifically ...

Anthropic briefed Trump administration officials on Mythos before wider access, signaling how seriously it views the model’s ...

Anthropic says it is testing a powerful new AI model that can spot serious weaknesses in software, and releasing it as part ...

OpenAI revoked its macOS signing certificate after a malicious Axios dependency incident on March 31, 2026, preventing ...

Nearly 80 percent of organizations now use AI in at least one core business process, according to McKinsey, yet widespread adoption has surfaced a persistent problem: a deep shortage of professionals ...

FEATURE Two supply chain attacks in March infected open source tools with malware and used this access to steal secrets from ...