{"entity":"claude-haiku-4-5","id":"ent_claude-haiku-4-5","name":"Claude Haiku 4.5","predicate":"predecessor","label":"predecessor","page":"https://asof.is/record/claude-haiku-4-5/predecessor","as_of":"2026-11-04","summary":"As of November 4, 2026, Claude Haiku 4.5's predecessor on the AsOf record is Claude Haiku 3.5, dated October 15, 2025, from a primary source (anthropic.com). The record holds 1 claim on Claude Haiku 4.5's predecessor, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.","current":["clm_C54CD8B50F7F"],"latest_period":null,"claims":[{"id":"clm_C54CD8B50F7F","value":"Claude Haiku 3.5","valid_from":"2025-10-15","valid_to":null,"published":"2025-10-15","recorded":"2026-11-04","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://www.anthropic.com/news/claude-haiku-4-5","tier":"primary","publisher":"Anthropic","published_at":"2025-10-15T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"The model showed low rates of concerning behaviors, and was substantially more aligned than its predecessor, Claude Haiku 3.5.","url":"https://www.anthropic.com/news/claude-haiku-4-5"}}],"replaced":[],"faq":[{"question":"What is Claude Haiku 4.5's current predecessor?","answer":"Claude Haiku 3.5, dated October 15, 2025, from a primary source (anthropic.com). The record asserts this claim as of November 4, 2026 (status valid, confidence 0.95)."}],"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"}}}