# DeepSeek-V4.1-Flash

DeepSeek-V4.1-Flash は DeepSeek のAIモデルです。初記録：2026-09-16。リリース日は未確認です。 コンテキストウィンドウは1,048,576 トークンです。 最大出力は393,216 トークンです。 100万トークンあたりの料金は、入力が$0.15 (Off-peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.); $0.30 (Peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.)、出力が$0.60 (Off-peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.); $1.20 (Peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.)です。

- 開発元: DeepSeek
- Id: deepseek-flash
- 発見: 2026-09-16T05:20:37.084Z
  - [参照リンク](https://models.dev/#deepseek-flash)
- 状態: APIでの提供
- 正規URL: https://alexgetman.com/ja/models/deepseek/deepseek-flash/

## よくある質問

### DeepSeek-V4.1-Flash のコンテキスト長は？

コンテキストウィンドウは1,048,576 トークンです。 最大出力は393,216 トークンです。

### DeepSeek-V4.1-Flash の料金は？

100万トークンあたりの料金は、入力が$0.15 (Off-peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.); $0.30 (Peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.)、出力が$0.60 (Off-peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.); $1.20 (Peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.)です。 キャッシュ入力は100万トークンあたり $0.003 (Off-peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.); $0.006 (Peak: Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday, excluding Chinese public holidays. All other hours are off-peak, including weekends and Chinese public holidays in full.)。

### DeepSeek-V4.1-Flash のリリース日は？

リリース日は未確認です。Signal Forge の初記録は 2026-09-16。

## 参照リンク

- [deepseek-pricing](https://api-docs.deepseek.com/quick_start/pricing/?article_id=article_1779470751466_8)
- [deepseek-api](https://api.deepseek.com/models)
- [Artificial Analysis · benchmarks](https://artificialanalysis.ai/models)
- [Hacker News · front page](https://artificialanalysis.ai/models/deepseek-v4-1-flash-1017)
- [Hugging Face · inference providers](https://huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash-1017)
- [models.dev · catalogue](https://models.dev/#DeepSeek-V4.1-Flash-1017)
- [models-dev](https://models.dev/#deepseek-flash)
- [models.dev · catalogue](https://models.dev/#deepseek-v4-1-flash-1017)
- [models.dev · catalogue](https://models.dev/#deepseek-v4.1-flash-1017)
- [models.dev · catalogue](https://models.dev/#morph-dsv41flash-1017)
- [models.dev · catalogue](https://models.dev/#umans-deepseek-v4.1-flash-1017)
- [OpenRouter](https://openrouter.ai/deepseek/deepseek-v4.1-flash-1017)
- [OpenRouter](https://openrouter.ai/deepseek/deepseek-v4.1-flash-1017:batch)
- [Alibaba Model Studio API](https://www.alibabacloud.com/help/en/model-studio/models)
- [DesignArena · website](https://www.designarena.ai/leaderboard/website)

## シグナル

- [models.dev で DeepSeek-V4.1-Flash を発見](https://alexgetman.com/ja/signals/2026/10/19/deepseek-v4-1-flash-1017-max-enters-45-1-intelligence-index/)
- [models.dev で DeepSeek-V4.1-Flash を発見](https://alexgetman.com/ja/signals/2026/10/18/deepseek-v4-1-flash-1017-non-reasoning/)