DeepSeek cuts API prices with V4.1-Flash and moves V4-Pro requests to Flash rates
DeepSeek's changelog said API prices were reduced with the V4.1-Flash release, new pricing taking effect at 04:00 UTC on September 10, 2026. From September 14, deepseek-v4-pro requests route to V4.1-Flash at Flash rates. Peak and off-peak tiers continue.
Sources:DeepSeek API docs, V4.1-Flash release, September 2026DeepSeek API change logDeepSeek