DeepSeek even counts make-up workdays as off-peak, and today the API is still half-price.

Beating AI News Flash: DeepSeek supplements its API peak-valley billing rules. On weekends adjusted for work and Chinese statutory holidays, billing is at the off-peak rate all day. Although today, September 20, is a National Day adjusted workday, the API still charges the off-peak rate.

DeepSeek began implementing peak-valley pricing on August 17, with off-peak rates at half the peak rate. Less than a week later, it changed all Saturdays and Sundays to off-peak rates. This time, it further clarified the billing rules for adjusted workdays and statutory holidays.

Taking deepseek-flash as an example, for every million tokens of cache-miss input, the off-peak rate is 1 yuan and the peak rate is 2 yuan; for output, they are 4 yuan and 8 yuan respectively. October 10, another National Day adjusted workday, is a Saturday and is also billed at the off-peak rate.