Woofun AI reports that DeepSeek has confirmed the mid-July release of its V4 stable version, accompanied by a new peak-valley pricing structure. API charges will double during Beijing time peak windows of 9:00-12:00 and 14:00-18:00.

The deepseek-v4-pro model costs 0.025 yuan for input cache hits, 3.00 yuan for misses, and 6.00 yuan for output per million tokens on weekdays, rising to 0.05, 6.00, and 12.00 yuan during peaks. The deepseek-v4-flash model follows a similar pattern, with weekday rates of 0.02, 1.00, and 2.00 yuan increasing to 0.04, 2.00, and 4.00 yuan during peak hours. Users will receive email alerts 24 hours prior to billing changes.