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Applied AI·June 30, 2026·1 min read

Claude Sonnet 5 costs $2 per 1M input tokens and $10 per 1M output tokens through August 31, after which prices rise to $3 and $15, respectively

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Anthropic is using a time-boxed discount window on Sonnet 5 to pull real agent workloads onto its stack before Labor Day—your cost models for pilots vs. production need to reflect the post-August 31 pricing, not the teaser rate. If you’re locking in contracts or budgeting for high-output agents, model against $3 / $15 now and treat the current pricing as a temporary subsidy.