DeepSeek API: weekend usage now billed at off-peak rates all day

Just got a letter, also see https://api-docs.deepseek.com/quick_start/pricing : > Effective 00:00 (Beijing Time) on Sunday, August 23, 2026, we will adjust our peak/off-peak billing rules, with off-peak rates applying throughout the day on weekends (Saturdays and Sundays, Beijing Time).