Claude
Sonnet 5 Introductory Pricing
Anthropic launched Sonnet 5 with introductory pricing of $2 per million input tokens and $10 per million output tokens — a 33% discount off the standard rate of $3/$15. The promotional pricing runs through August 31, 2026 and applies to all API users globally. Sonnet 5 scores 58.2 on the Artificial Analysis Intelligence Index and ranks among the top models for agentic coding and enterprise workloads. Batch API users can stack an additional 50% savings on top of the introductory rate, bringing effective pricing down to $1/$5 per million tokens.