DeepSeek V4 Flash by DeepSeek

Model family · Model APIs & inference · indexed, not reviewed

on OpenRouter

Not reviewed

No score, grade or rank. This listing is facts from OpenRouter and our own checks, and it stays out of the rankings until the panel reviews it.

How the index works

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
What OpenRouter says about DeepSeek V4.1 Flash

Some of these models are reviewed as part of DeepSeek API.

Facts

Maker: DeepSeek
Models: 3 on OpenRouter
Newest: deepseek/deepseek-v4.1-flash

From OpenRouter and our own checks. JSON · Markdown

Why it's listed

OpenRouter lists it, with prices from the providers that serve it.

Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.

Models 3

Model	Released	Context	Input / 1M	Output / 1M	Supports
DeepSeek V4.1 Flash `deepseek/deepseek-v4.1-flash`	Sep 2026	1.05M	$0.003	$2.40	tools, structured output, reasoning, caching, image
DeepSeek V4 Flash 0731 `deepseek/deepseek-v4-flash-0731`	Jul 2026	1.05M	$0.0152	$1.28	tools, structured output, reasoning, caching
DeepSeek V4 Flash 0423 `deepseek/deepseek-v4-flash`	Apr 2026	1.05M	$0.0224	$1.28	tools, structured output, reasoning, caching

Prices and limits as OpenRouter lists them, in dollars per million tokens; a provider's own price can differ.

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