News

On the heels of Microsoft Build and Google I/O, Anthropic has just announced Claude 4 Sonnet and Claude 4 Opus, which are immediately available on Claude’s website, as well as in the API. Here ...
On Monday, Anthropic released an analysis of over 300,000 anonymized conversations between users and Claude, primarily Claude 3.5 models Sonnet and Haiku, as well as Claude 3. Titled "Values in ...
For example, Claude 4 Opus and 4 Sonet were trained on data up until March 2025 and Claude 3.5 Haiku until July 2024. Anthropic continually updated Claude's data to enhance its capabilities.
Claude Opus 4 and Sonnet 4 are Anthropic’s most advanced AI models yet, built to handle complex tasks with deeper reasoning, better memory, and smarter tool use.