DeepSeek Extends V4 Pro 75% Discount to May 31 — Output at $0.87/M Tokens, Cache Hits at $0.004/M

DeepSeek / Hacker News·medium signal

DeepSeek extended its aggressive 75% promotional discount on V4 Pro through May 31, 2026 at 15:59 UTC, down from the original May 5 expiration. Discounted pricing: $0.435/M input (cache miss), $0.003625/M input (cache hit), $0.87/M output — against list prices of $1.74 and $3.48 respectively. The extension signals continued price war pressure on frontier model providers. Hit 74 points and 77 comments on HN.