DeepSeek V4 Flash API public beta: Major agent capabilities upgrade

FinanceYF5 · x · 2026-07-31

The official API for DeepSeek V4 Flash has entered public beta. This upgrade focuses on agent capabilities, scoring 82.7 on Terminal Bench 2.1 and 54.4 on DeepSWE. These results significantly surpass V4 Pro Preview and approach the level of Opus 4.8. Additionally, the model natively supports the Responses API format and is now adapted for Codex.

Related event: DeepSeek-V4-Flash Official API Launches with Massive Agent Capability Upgrades(27 posts)→

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