Multimodal / Vision

DeepSeek V4.1 Flash

DeepSeek V4.1 Flash by DeepSeek costs $0.3 per 1M input tokens and $1.2 output. It is available outside China via an official international API and OpenRouter. Last checked 2026-10-27.

DeepSeek · mit · 763.2B

$0.3 in · $1.2 out

USD per 1M tokens · Last updated 2026-10-27 · Pricing source · official

Official API model id deepseek-flash is version DeepSeek-V4.1-Flash-1017. Input/output shown are peak cache-miss and peak output. Off-peak is half, including cache hit $0.003. Legacy names deepseek-v4-flash and deepseek-v4-flash-vision-exp are retired and billed at this Flash price. openrouter_from keeps the previous lowest OpenRouter input.

How to use it from outside China

Call the official international API. https://api.deepseek.com
Send requests through OpenRouter. https://openrouter.ai/deepseek/deepseek-v4.1-flash
Weights are public. Download them from Hugging Face. https://huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash
Confirm the price on the source before you rely on it. Checked 2026-10-27. Pricing source

Usable outside China?

Official international API: https://api.deepseek.com

OpenRouter: https://openrouter.ai/deepseek/deepseek-v4.1-flash

Questions

Can I use DeepSeek V4.1 Flash from outside China?

Official international API: https://api.deepseek.com. OpenRouter: https://openrouter.ai/deepseek/deepseek-v4.1-flash.

How much does DeepSeek V4.1 Flash cost per 1M tokens?

$0.3 input and $1.2 output per 1M tokens. official. Checked 2026-10-27.

Is the DeepSeek V4.1 Flash API OpenAI-compatible?

Unknown — not on the record yet

Are DeepSeek V4.1 Flash weights open, and under which license?

Yes. License: mit.

Sources

https://api-docs.deepseek.com/quick_start/pricing

Weights: https://huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash

A dash means we don’t know. This page does not fill gaps.

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