DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
Specifications
| Provider | DeepSeek |
|---|---|
| Intelligence Index | 39.5 (Artificial Analysis) |
| Context window | 1,048,576 tokens (1.0M) |
| Input price | $0.15 / 1M tokens |
| Output price | $0.6 / 1M tokens |
| Input modalities | text, image |
| Output modalities | text |
| Model ID | deepseek/deepseek-v4.1-flash |
Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-09-14); a provider's own list price may differ. Intelligence Index via Artificial Analysis.
Frequently asked questions
How capable is DeepSeek V4.1 Flash?
DeepSeek V4.1 Flash scores 39.5 on the Artificial Analysis Intelligence Index, an aggregate of reasoning, knowledge, coding, and math benchmarks (higher is better). Compare it head-to-head with other models on the comparison pages below, or run it against them directly on Vincony.
How much does DeepSeek V4.1 Flash cost?
Indicative pricing (via OpenRouter, updated 2026-09-14) is $0.15 per 1M input tokens and $0.6 per 1M output tokens. A provider's own list price may differ. On Vincony, DeepSeek V4.1 Flash is available on credit-based pricing alongside 800+ other models.
What is DeepSeek V4.1 Flash's context window?
DeepSeek V4.1 Flash supports a context window of up to 1,048,576 tokens (1.0M), which is how much text it can consider at once.
Who makes DeepSeek V4.1 Flash?
DeepSeek V4.1 Flash is built by DeepSeek. You can access it — and compare it against other providers' models — through Vincony's multi-model platform.
How do I use DeepSeek V4.1 Flash?
You can use DeepSeek V4.1 Flash directly through DeepSeek, or via Vincony, which aggregates 800+ models (including DeepSeek V4.1 Flash) into one interface with side-by-side comparison and credit-based pricing.