Claude 4.5 Haiku
Anthropic's fastest model with enhanced capabilities and efficiency
Claude 4.5 Haiku
Anthropic • October 2025
Training Data
Up to July 2024
Claude 4.5 Haiku
October 2025
Parameters
~30 billion
Training Method
Constitutional AI
Context Window
200,000 tokens
Knowledge Cutoff
July 2024
Key Features
Ultra Fast • Enhanced Performance • Cost Efficient
Capabilities
Speed: Outstanding
Efficiency: Outstanding
Reasoning: Excellent
What's New in This Version
Major upgrade over Claude 3.5 Haiku with improved reasoning and speed
Anthropic's fastest model with enhanced capabilities and efficiency
What's New in This Version
Major upgrade over Claude 3.5 Haiku with improved reasoning and speed
Technical Specifications
Key Features
Capabilities
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