AsOf

product · fact

Claude Opus 4.1 predecessor

As of November 4, 2026, Claude Opus 4.1's predecessor on the AsOf record is Claude Opus 4, dated August 5, 2025, from a primary source (platform.claude.com). The record holds 1 claim on Claude Opus 4.1's predecessor, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 Opus 42025-08-05 · 1 source

Every dated value

1 claims · oldest first · superseded claims stay visible
valuevalid fromstatus
Claude Opus 4
to present · conf 0.95 · 1 src for predecessor Claude Opus 4
2025-08-05valid

Questions this record answers

What is Claude Opus 4.1's current predecessor?
Claude Opus 4, dated August 5, 2025, from a primary source (platform.claude.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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