What the evidence says
- Developer
- Anthropic
- Released
- November 21, 2023
- Domains
- Language
- Tasks
- Language modeling · Chat · Language modeling/generation · Question answering
- Access
- API access
- Weights
- Closed weights
Common questions
What is Claude 2.1?
Claude 2.1 is a Anthropic model released November 21, 2023, according to Epoch AI's reviewed catalog record. The record classifies it under language.
How does Claude 2.1 rank on LMArena?
No board Model Gauntlet mirrors currently lists this exact model revision under a reviewed identity, so no rating is reported here.
What does Claude 2.1 cost?
No reviewed source carries pricing for this record, so no price is reported here.