CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins90% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better341 days ago
Anthropic's[1][3] own announcement, dated the day the model became available.Anthropic releases Claude Opus 4.5, its new flagship model with state-of-the-art coding and agentic performance at lower pricing.