{"id":"clm_C0A4B249DD16","entity":"claude","predicate":"discontinued","value":"Claude Opus 4 model","value_json":{"feed":"claude-platform-release-notes","item":"https://platform.claude.com/docs/en/release-notes/overview#2026-06-15","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-10-31","themes":["developer_platform"]},"check":{"on":"2026-10-31","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-06-15","pages":1,"quote":"June 15, 2026  We’ve retired the Claude Sonnet 4 model ( claude-sonnet-4-20250514 ) and the Claude Opus 4 model ( claude-opus-4-20250514 ). All requests to these models on the Claude API will now return an error.","outcome":"checked"},"evidence":"We’ve retired the Claude Sonnet 4 model ( claude-sonnet-4-20250514 ) and the Claude Opus 4 model ( claude-opus-4-20250514 ). All requests to these models on the Claude API will now return an error. We recommend upgrading to Claude Sonnet 4.6 and Claude Opus 4.8 respectively. Researchers can request ","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2026-06-15","valid_to":null,"published":"2026-06-15","recorded":"2026-10-31","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-31T02:13:24.022264+00:00","updated_at":"2026-10-31T03:52:09.939321+00:00","sources":[{"url":"https://platform.claude.com/docs/en/release-notes/overview#2026-06-15","tier":"primary","publisher":"Anthropic","published_at":"2026-06-15T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-10-31","quote":"June 15, 2026  We’ve retired the Claude Sonnet 4 model ( claude-sonnet-4-20250514 ) and the Claude Opus 4 model ( claude-opus-4-20250514 ). All requests to these models on the Claude API will now return an error.","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-06-15","excerpt":"We’ve retired the Claude Sonnet 4 model ( claude-sonnet-4-20250514 ) and the Claude Opus 4 model ( claude-opus-4-20250514 ). All requests to these models on the Claude API will now return an error. We recommend upgrading to Claude Sonnet 4.6 and Claude Opus 4.8 respectively. Researchers can request"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}