AsOf

product · fact

Claude Opus 4.5 release date

As of November 4, 2026, the AsOf record says Claude Opus 4.5 was released on November 24, 2025, from a primary source (platform.claude.com). The record holds 1 claim on Claude Opus 4.5's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

current release date
Claude Opus 4.52025-11-24 · 1 source

Every dated value

1 claims · oldest first · superseded claims stay visible
valuevalid fromstatus
Claude Opus 4.5
to present · conf 0.95 · 1 src for release date Claude Opus 4.5
2025-11-24valid

Questions this record answers

When was Claude Opus 4.5 released?
On November 24, 2025, from a primary source (platform.claude.com) (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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