Claude Sonnet 4.5

Standard global Claude API pricing; official rate card limits the listed Sonnet 4.5 SKU to a context window of ≤200K. Prompt-cache writes: $3.75/MTok for 5 minutes and $6.00/MTok for 1 hour. Batch pricing is $1.50/MTok input and $7.50/MTok output.

Anthropic's current official pricing lists Claude Sonnet 4.5 at $3.00 per million base input tokens and $15.00 per million output tokens for standard global Claude API usage. Cache hits/refreshes are explicitly listed at $0.30 per million tokens; 5-minute and 1-hour cache writes are $3.75 and $6.00 per million tokens, respectively. The launch announcement independently states $3/$15 per million tokens.