Head to head

Claude Sonnet 4.5 vs Claude Haiku 4.5

On a blended workload of one million input tokens and three million output tokens, Claude Haiku 4.5 is 3.0× cheaper than Claude Sonnet 4.5.

Claude Sonnet 4.5Claude Haiku 4.5
Provider Anthropic Anthropic
Input / MTok $3 $1
Output / MTok $15 $5
Cache read / MTok $0.3 $0.1
Context window 200,000 200,000
Blended 1M in + 3M out $48.00 $16.00
Status ga ga

Claude Sonnet 4.5 detail   Claude Haiku 4.5 detail