Claude (March 2023 release)
Closed
Anthropic offered Claude more broadly on March 14, 2023 after closed-alpha work with partners. The announcement offered Claude and Claude Instant as separate versions, accessible through chat and an API with access requests. This entry is the original named Claude release, not an assigned API checkpoint or later Claude model.
Benchmark scores
Access
The March 14, 2023 post offers broader access after closed alpha, describes chat and API access in the developer console, and asks prospective users to request access. No unqualified GA, public-preview, open-weight or retirement date is assigned. Claude Instant is a separate sibling, not an alias of this entry.