DeepSeek-V4-Flash-0731 Goes GA: Responses API Is Flash-Only and the Concurrency Gap Just Became a Routing Decision
DeepSeek released V4-Flash-0731 as public beta today with agent benchmarks exceeding V4-Pro-Preview. Critical: Responses API is Flash-only until early August. Flash is the only path for Codex-native and Responses API workflows right now.
via DeepSeek