Claude 2
Previous generation Claude with strong safety focus
Claude 2
Anthropic • July 2023
Training Data
Up to early 2023
Claude 2
July 2023
Parameters
~52 billion
Training Method
Constitutional AI
Context Window
100,000 tokens
Knowledge Cutoff
January 2023
Key Features
Long Context • Safety Focused • Helpful Assistant
Capabilities
Reasoning: Good
Coding: Good
Writing: Very Good
What's New in This Version
Longer context and better reasoning vs Claude 1
Previous generation Claude with strong safety focus
What's New in This Version
Longer context and better reasoning vs Claude 1
Technical Specifications
Key Features
Capabilities
Other Anthropic Models
Explore more models from Anthropic
Claude Fable 5.1
Anthropic's most intelligent generally available model, built for demanding reasoning and long-horizon agentic work that fixes root causes rather than symptoms
Claude Fable 5
Anthropic's most capable generally available Claude model for ambitious, long-running knowledge work and coding projects
Claude 3 Opus
Anthropic's most capable model with exceptional reasoning abilities