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...
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-1017 |
Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-10-18); a provider's own list price may differ. Intelligence Index via Artificial Analysis.
Frequently asked questions
How capable is DeepSeek V4.1 Flash 1017?
DeepSeek V4.1 Flash 1017 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 1017 cost?
Indicative pricing (via OpenRouter, updated 2026-10-18) 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 1017 is available on credit-based pricing alongside 750+ other models.
What is DeepSeek V4.1 Flash 1017's context window?
DeepSeek V4.1 Flash 1017 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 1017?
DeepSeek V4.1 Flash 1017 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 1017?
You can use DeepSeek V4.1 Flash 1017 directly through DeepSeek, or via Vincony, which aggregates 750+ models (including DeepSeek V4.1 Flash 1017) into one interface with side-by-side comparison and credit-based pricing.