DeepSeek V4.1 Flash
The spec sheet
Figures as the maker publishes them.
Price
- Input, per 1M tokens
- $0.30
- Output, per 1M tokens
- $1.20
Memory
- Context window
- 1.05M tokens
- Longest answer
- 944K tokens
Abilities
- Reasoning
- Yes
- Reads images
- Yes
- Calls tools
- Yes
- Takes in
- text, image
- Gives back
- text
The model
- Lab
- DeepSeek
- Model id
- deepseek/deepseek-v4.1-flash
- Released
- 10 Sep 2026
- Open weights
- Yes (deepseek-ai/DeepSeek-V4.1-Flash)
