# DeepSeek: DeepSeek V4.1 Flash 1017

Provider: deepseek  
Category: llm  
Model ID: `deepseek/deepseek-v4.1-flash-1017`

DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...

## Specs

- Context length: 1048576 tokens
- Max output: 393216 tokens
- Modalities: text, image
- Released: 2026-10-17

## Pricing

- Input: $0.30 per million tokens
- Output: $1.20 per million tokens

---
Last verified: 2026-10-19T02:30:34.239Z  
Canonical URL: https://switchy.build/directory/models/deepseek-v4-1-flash-1017