BackAnthropic·Claude APIOur Ruby SDK has moved from beta to its first stable releaseWednesday, 21 May 2025Official notes on platform.claude.comFull release notesOur Ruby SDK has moved from beta to its first stable release.Older · May 7, 2025We've launched a web search tool in the API, allowing Claude to access up-to-date information from the webNewer · May 22, 2025We've launched Claude Opus 4 and Claude Sonnet 4, our latest models with extended thinking capabilities