What’s Improved in AI Models Sonnet & Opus
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Faced with the news it was set to be replaced, the AI tool threatened to blackmail the engineer in charge by revealing an extramarital affair.
Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and record-breaking 72.5% SWE-bench score, transforming AI from quick-response tool to day-long collaborator.
The company said it was taking the measures as a precaution and that the team had not yet determined if its newst model has crossed the benchmark that would require that protection.
Claude Opus 4 and Claude Sonnet 4, Anthropic's latest generation of frontier AI models, were announced Thursday.
Anthropic's newest editon of its flagship AI product will address significant limitations in current large language models.