Anthropic launches Claude Opus 4.5 AI model this week, claims best coding capabilities but still vulnerable to 22% of malicious requests in safety tests despite improved prompt injection defenses.

Anthropic’s new model is its latest frontier in the AI agent battle — but it’s still facing cybersecurity concerns

The AI labs never sleep — especially the week before Thanksgiving, it seems. Days after Google’s buzzworthy Gemini 3, and OpenAI’s updated agentic coding model, Anthropic has announced Claude Opus 4.5, which it bills as “the best model in the world for coding, agents, and computer use,” claiming it has leapfrogged even Gemini 3 in different categories of coding.But the model is still too new to have made waves on LMArena yet, a popular crowdsourced AI model evaluation platform. And it’s still fa...