Model releaseModerate global significanceConfirmed confidence
Anthropic releases Claude 1
Anthropic releases Claude 1, trained with Constitutional AI to emphasize safe and harmless outputs.
What happened
Event details
Anthropic released Claude 1 on March 14, 2023. The parameter count is unknown, the model is closed source and the entry classifies it as an autoregressive Transformer; Anthropic's Claude release record is the primary source.
Assessment
Why it matters
A model release or availability milestone with a documented capability or access condition.
62/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.
Availability
Access notes
Available through Anthropic's product and API access channels.