Claude 1 · model releaseClaude

validasserted

Valid from: 2023-03-14
Valid until: still holds
Published: 2023-03-14
Recorded by AsOf: 2026-11-04
Checked: 2026-11-04 · its source page states the value and the date
Confidence: 0.95

Sources

“We’re offering two versions of Claude today: Claude and Claude Instant.”— what the page says, read 2026-11-04

Introducing Claudeprimary · anthropic.com · 2023-03-14

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