Deep Dive5 min read
DeepSeek-V4-Pro-0813 Goes GA With 87.9% on TerminalBench and Peak/Off-Peak Pricing That Halves API Costs
DeepSeek officially released V4-Pro-0813 on August 13, 2026 — the generally available version of its 1.6-trillion-parameter MoE model. It brings three-level thinking effort controls, a DSpark speculative decoding module, 87.9% on TerminalBench 2.1, and a peak/off-peak pricing structure that cuts API costs by 50% outside peak hours.