DeepSeek drops V4-Pro with flexible reasoning and half-price off-peak APIs
DeepSeek just launched DeepSeek-V4-Pro into general availability, introducing major agent upgrades alongside flexible reasoning levels (low, high, and max) across V4-Pro and V4-Flash. It natively supports OpenAI's Responses API for Codex and rolls out off-peak API pricing that cuts token costs by 50%.