DeepSeek-V4-Flash-0731

In plain words

DeepSeek-V4-Flash-0731 is an AI model that provides agent intelligence capabilities through an API. It outperforms the previous V4-Pro Preview version on key benchmarks and includes native support for the Responses API and Codex CLI integration. The model is designed for developers building agentic applications who need high performance at lower costs.

written from the facts on this page · September 2026

From the sources

DeepSeek-V4-Flash-0731 is the official release of V4-Flash, featuring a massive leap in agentic capabilities. It outperforms V4-Pro (Preview) on key benchmarks, natively supports the Responses API, and is fully adapted for Codex CLI.

We’re on a journey to advance and democratize artificial intelligence through open source and open science.

DeepSeek-V4-Flash-0731 is the official release of DeepSeek-V4-Flash , superseding the preview version, with substantially enhanced agentic capabilities. It has the same model structure as DeepSeek-V4-Flash-DSpark , i.e. it comes with a speculative decoding module attached. DeepSeek-V4-Flash-0731 outperforms DeepSeek-V4-Pro (Preview) on benchmarks listed below despite its far smaller activated parameter count, and is broadly competitive with the strongest proprietary models available. This release does not include a Jinja-format chat template. Instead, we provide a dedicated encoding folder with Python scripts and test cases demonstrating how to encode messages in OpenAI-compatible format…from huggingface.co

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