{"entity":"claude-opus-5-5","name":"Claude Opus 5.5","events":[{"date":"2026-09-22","until":null,"published":"2026-09-22","recorded":"2026-11-04","predicate":"price","value":"$4 per million input tokens","status":"valid","assertable":true,"id":"clm_1517D02FAFA4","evidence":{"by":"page-read","on":"2026-11-04","quote":"Input and output tokens are $4 and $20 per million, 20% less than Opus 5.","url":"https://www.anthropic.com/news/claude-opus-5-5"}},{"date":"2026-09-22","until":null,"published":null,"recorded":"2026-11-04","predicate":"context_window","value":"1M tokens","status":"valid","assertable":true,"id":"clm_C8F8497EE25C","evidence":{"by":"page-read","on":"2026-11-04","quote":"September 22, 2026 We’ve launched Claude Opus 5.5 ( claude-opus-5-5 ), a model for long-running agentic coding and knowledge work. It has a 1M token context window by default","url":"https://platform.claude.com/docs/en/release-notes/overview"}},{"date":"2026-09-22","until":null,"published":null,"recorded":"2026-11-04","predicate":"model_release","value":"Claude Opus 5.5","status":"valid","assertable":true,"id":"clm_F93B2A65D6D9","evidence":{"by":"page-read","on":"2026-11-04","quote":"September 22, 2026 We’ve launched Claude Opus 5.5 ( claude-opus-5-5 ), a model for long-running agentic coding and knowledge work.","url":"https://platform.claude.com/docs/en/release-notes/overview"}}],"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"}}}