What is Claude Haiku 4.5's current predecessor?

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).

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Claude Haiku 4.5 predecessor

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 The record holds 1 claim on Claude Haiku 4.5's predecessor, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 predecessor: Claude Haiku 3.52025-10-15 · 1 source

Every dated value

1 claims · oldest first · superseded claims stay visible

value	valid from	valid to	status	conf	sources	claim
Claude Haiku 3.5 to present · conf 0.95 · 1 src for predecessor Claude Haiku 3.5	2025-10-15	present	valid	0.95	1 source for predecessor Claude Haiku 3.5	clm_C54CD8B50F7F

Questions this record answers

What is Claude Haiku 4.5's current predecessor?: 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).

Answered from the rows above only, as of November 4, 2026. The record has no opinions.

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Other facts about Claude Haiku 4.5

Claude Haiku 4.5 release date