DeepSeek V4.1 Flash
Fast million-token reasoning model for coding, agents, and high-throughput workflows.
Fast million-token reasoning model for coding, agents, and high-throughput workflows. This is the recommended default model.
| Model ID | deepseek-v4.1-flash |
| Context window | 1M tokens |
| Max output | 384K tokens |
| Modalities | text, image |
| Alias | zro/deepseek-v4.1-flash |
Pricing
DeepSeek V4.1 Flash pricing: $0.30 per 1M input tokens, $1.20 per 1M output tokens, and $0.006 per 1M cache read tokens.
| Input | Output | Cache read |
|---|---|---|
$0.30 | $1.20 | $0.006 |
Reasoning effort
Default: high. Available levels: none (reasoning off), low, high, max.
Upstream weights
deepseek-ai/DeepSeek-V4.1-Flash (MIT License).