DeepSeek V4.1 Flash API: AI Large Language Models

Use DeepSeek V4.1 Flash through MuAPI for multimodal reasoning, image understanding, and adjustable thinking effort. DeepSeek V4.1 Flash is a multimodal reasoning model with a 1M-token context window, image understanding, and adjustable reasoning effort.

Interactive model controls

DeepSeek V4.1 Flash is a multimodal reasoning model with a 1M-token context window, image understanding, and adjustable reasoning effort.

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Обзор

Об этой модели

DeepSeek V4.1 Flash is a fast multimodal reasoning model with a 1M-token context window, native image understanding, and configurable reasoning effort.

1Multimodal image understanding and visual question answering

2Fast reasoning, coding assistance, and long-context analysis

3Agent workflows that benefit from adjustable thinking effort

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Цены и стоимость

Анализ затрат

Поставщик	Стоимость	Примечания
muapiapp	Official DeepSeek token rates; peak/off-peak and cache-sensitive	Off-peak: $0.15/M uncached input, $0.003/M cached input, $0.60/M output. Peak rates are 2×. A $0.0001 minimum reservation is reconciled after usage.

muapiappOfficial DeepSeek token rates; peak/off-peak and cache-sensitive

Off-peak: $0.15/M uncached input, $0.003/M cached input, $0.60/M output. Peak rates are 2×. A $0.0001 minimum reservation is reconciled after usage.

** Цены конкурентов рассчитаны на основе аналогичных архитектур моделей и уровней использования.

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Технические детали

Схема конфигурации

Параметр	Тип	Описание	По умолчанию
подсказать	string	.	`Explain how a mixture-of-experts model works.`
URL-адрес изображения	string	Optional public image URL for multimodal analysis.	`undefined`
Системная подсказка	string	Optional system-level instruction.	`You are a careful software engineering assistant.`
Рассуждающее усилие	Перечисление (7 опций)	Thinking effort. Omit to use the model default; none and minimal disable thinking.	`-`

подсказатьstring

Значение по умолчаниюExplain how a mixture-of-experts model works.

URL-адрес изображенияstring

Optional public image URL for multimodal analysis.

Значение по умолчаниюundefined

Системная подсказкаstring

Optional system-level instruction.

Значение по умолчаниюYou are a careful software engineering assistant.

Рассуждающее усилиеПеречисление (7 опций)

Thinking effort. Omit to use the model default; none and minimal disable thinking.

Значение по умолчанию-

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Руководство по внедрению

Документация разработчика

How to Use DeepSeek V4.1 Flash

Send a Prompt: Submit a POST request to /api/v1/deepseek-v4-1-flash or stream via /api/v1/deepseek-v4-1-flash/stream.
Add an Image: Optionally provide a public image_url for visual understanding.
Tune Reasoning: Set reasoning_effort to none, minimal, low, medium, high, xhigh, or max; omit it to use the model default.
Read the Result: Receive generated text or a live SSE stream.

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Общие вопросы

Часто задаваемые

Does DeepSeek V4.1 Flash support image input?

Yes. You can provide an optional public image URL alongside your prompt.

Can I control thinking effort?

Yes. Set `reasoning_effort` to one of the supported levels. `none` and `minimal` disable thinking.

Does DeepSeek V4.1 Flash support streaming?

Yes. Live streaming is available at `/api/v1/deepseek-v4-1-flash/stream`.