WhichAI / Models / DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731

· verified October 3, 2026

public paid api open-weights reasoning long-context value local

Provider

Statuspublic

AA Intelligence Index34.3 (official, read October 3, 2026)

Released2026-07-31

Context window1.05M

ModalitiesText

API price $/1M (in / out)$0.019 / $1.28 (OpenRouter)

Speedn/a

AccessAPI $0.019/$1.28 per 1M tokens on OpenRouter · open weights · listed July 31, 2026

In one line

DeepSeek V4 Flash 0731 by DeepSeek, measured by Artificial Analysis at 34.3 on the Intelligence Index, 69.1 on coding and 41 on agentic work. Added to WhichAI automatically from live data on October 3, 2026: no editorial review yet, so judge it by the numbers, not by a verdict. OpenRouter's description: “DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total.”

Alternatives worth a look

Gemini 3.6 Flash (Google) · AA 34Free tier in AI Studio and the Gemini app (rate-limited) · API $1.50/$7.50 per 1M tokens
Muse Spark 1.1 (Meta) · AA 33.7API via Meta Superintelligence Labs (Meta's first paid model, July 9, 2026)
GLM-5.2 (Z.ai) · AA 33.7Open weights · low-cost API hosts

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Artificial Analysis Intelligence Index, official scale (the number published on artificialanalysis.ai), relayed by OpenRouter and refreshed automatically: last read October 3, 2026. 97 models carry a current official measurement. A value marked ~ is converted from an earlier snapshot because no current measurement is published; an unmeasured model is never ranked. Context, price, modality and listing dates come from the public OpenRouter model list (refreshed automatically on the live site; static copy retrieved October 3, 2026) and vendor pages. Missing values are not published or not yet verified - shown as -. Sources are linked inside the app (Model guide and About > Methodology).