Claude 3 Opus
Anthropic ⚔️ The Knight Released March 2024
Anthropic's most capable model with exceptional reasoning abilities
Claude 3 Opus
Anthropic • March 2024
Training Data
Up to early 2023
Claude 3 Opus
March 2024
Parameters
~175 billion
Training Method
Constitutional AI
Context Window
200,000 tokens
Knowledge Cutoff
April 2024
Key Features
Multimodal • Long Context • Safety Focus
Capabilities
Reasoning: Excellent
Coding: Very Good
Safety: Outstanding
What's New in This Version
Better reasoning and safety over Claude 2
Anthropic's most capable model with exceptional reasoning abilities
What's New in This Version
Better reasoning and safety over Claude 2
Technical Specifications
Parameters ~175 billion
Context Window 200,000 tokens
Training Method Constitutional AI
Knowledge Cutoff April 2024
Training Data Up to early 2023
Key Features
Multimodal Long Context Safety Focus
Capabilities
Reasoning: Excellent
Coding: Very Good
Safety: Outstanding
Other Anthropic Models
Explore more models from Anthropic
Claude Fable 5
Anthropic's most capable generally available Claude model for ambitious, long-running knowledge work and coding projects
June 2026 Not disclosed
Claude 3 Sonnet
Anthropic's balanced model offering strong performance and speed
March 2024 ~100 billion
Claude 3 Haiku
Anthropic's fastest model optimized for speed and efficiency
March 2024 ~25 billion
