Anthropic is making Claude Sonnet 5’s introductory pricing permanent, according to a Claude/@claudeai post cited by Techmeme. The reported rates are $2 per 1 million input tokens and $10 per 1 million output tokens. The change also cancels a planned September 1 increase, Techmeme’s item says. The provided summary does not specify what the higher post-introductory rates would have been, or whether any other Claude models are affected. For developers and companies building on Claude Sonnet 5, the immediate change is budget certainty. A rate that had been positioned as introductory is now, according to the report, the standing price for that model. The evidence in this cluster is narrow: one item, citing Claude/@claudeai, with no independent reporting or broader pricing table included. The core pricing numbers are clear, but details such as contract treatment, volume discounts, or enterprise-specific terms are not established by the provided material. Who benefits: Developers and operators using Claude Sonnet 5 benefit from a lower-than-planned standing rate. Teams evaluating the model also get clearer cost assumptions before September 1. Who's exposed: The provided item does not identify a directly exposed competitor or customer group. The main impact is on users who had expected Anthropic’s planned price increase to take effect.