{"entity":"claude-opus-5","name":"Claude Opus 5","events":[{"date":"2026-07-24","until":null,"published":null,"recorded":"2026-11-04","predicate":"predecessor","value":"Claude Opus 4.8","status":"valid","assertable":true,"id":"clm_05B8D6F2DA38","evidence":{"by":"page-read","on":"2026-11-04","quote":"July 24, 2026 We’ve launched Claude Opus 5 ( claude-opus-5 ), a step-change improvement over Claude Opus 4.8.","url":"https://platform.claude.com/docs/en/release-notes/overview"}},{"date":"2026-07-24","until":null,"published":null,"recorded":"2026-11-04","predicate":"context_window","value":"1M tokens","status":"valid","assertable":true,"id":"clm_1D95A84BC613","evidence":{"by":"page-read","on":"2026-11-04","quote":"July 24, 2026 We’ve launched Claude Opus 5 ( claude-opus-5 ), a step-change improvement over Claude Opus 4.8. Claude Opus 5 supports a 1M token context window","url":"https://platform.claude.com/docs/en/release-notes/overview"}},{"date":"2026-07-24","until":null,"published":null,"recorded":"2026-11-04","predicate":"model_release","value":"Claude Opus 5","status":"valid","assertable":true,"id":"clm_8A1FF48BDD89","evidence":{"by":"page-read","on":"2026-11-04","quote":"July 24, 2026 We’ve launched Claude Opus 5 ( claude-opus-5 ), a step-change improvement over Claude Opus 4.8.","url":"https://platform.claude.com/docs/en/release-notes/overview"}},{"date":"2026-07-24","until":null,"published":"2026-07-24","recorded":"2026-11-04","predicate":"price","value":"$5 per million input tokens","status":"valid","assertable":true,"id":"clm_BB7CC2DEC953","evidence":{"by":"page-read","on":"2026-11-04","quote":"Claude Opus 5 is available today on all platforms, priced at $5 per million input tokens and $25 per million output tokens (the same as Opus 4.8).","url":"https://www.anthropic.com/news/claude-opus-5"}}],"complete":true,"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"}}}