Claude Opus 4 Released
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 6 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 betterAnthropic's[1][2][6] post is dated "May 22, 2025": "Today, we're introducing the next generation of Claude[3] models: Claude Opus 4 and Claude Sonnet 4", "available on our API, Amazon Bedrock, and Google Cloud's Vertex AI"; CNBC[4] and TechCrunch[5] report the launch that Thursday.
Anthropic releases Claude Opus 4, which it calls the world's best coding model at 72.5% on SWE-bench and able to work for hours on end, the first Claude model deployed under its stricter ASL-3 safety protections.
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