Anthropic, backed by Amazon.com, Inc. (NASDAQ:AMZN), has launched its most advanced AI models to date: Claude Opus 4 and ...

An Amazon stock analyst said the launch of Claude Opus 4, described by startup Anthropic as it's most powerful AI model, offers a positive signal for Amazon's effort to build an AI chip alternative to ...

Anthropic introduces Claude 4 Sonnet and Opus models with enhanced reasoning, coding abilities, and memory for sustained, ...

Anthropic introduced Claude Opus 4 and Claude Sonnet 4 during its first developer conference on May 22. The company claims ...