DeepSeek V4.1 Flash

DeepSeek · September 2026

Fast and cheap for conversation and multi-step work, and it reads images.

Best for: Agent workflows

Context window
1,048,576 tokens
≈ 786,000 words · about 3,150 pages
Max output
393,216 tokens
≈ 295,000 words in a single answer

Modalities

TextInput and output
ImageInput only
AudioNot supported
VideoNot supported

Reasoning effort

Default: High.

Low
High
Max

Tools

Web searchNot supported

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