DeepSeek-V4-Flash-0731

The production API version, re-post-trained on the same architecture as V4-Flash-Preview with stronger agent capability.

CurrentLanguageReasoningCodingAgentWeights not released

MODEL NUMBER066

Specifications

Only published specifications are shown.

Total parameters

284B

Active parameters

13B

Architecture

MoE

Context

Input modalities

Text

Open weights

Status

Current

The production API version, re-post-trained on the same architecture as V4-Flash-Preview with stronger agent capability.

PreviousDeepSeek-V4-Flash-Preview284B · 1M ctx

CurrentDeepSeek-V4-Flash-0731284B · 1M ctx

New capabilities Adjustable reasoning Responses API

DSA

Adjustable reasoningAgentCodingResponses API

2026-07-31General release

DeepSeek-V4-Flash-0731 entered public beta in the API.

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