OpenRouter · Vercel · CC BY 4.0
Arena · CC BY 4.0
Usage › DeepSeek V4.1 Flash
DeepSeek · LLM
An LLM from DeepSeek, released Sep 10, 2026. It’s #2 in usage over the last 7 days and isn’t in the performance ranking (Arena top) yet.
| Performance rank | Not ranked |
| Usage rank | #2 · 23.5T tokens |
| Output price | $0.48 per 1M tokens |
| Input price | $0.008 per 1M tokens |
| Context length | 1.05M tokens |
| Released | Sep 10, 2026 |
chat.deepseek.com — Open the official site, chat.deepseek.com (new tab)
Source: OpenRouter (usage Sep 25 – Oct 1 · prices), Arena (performance · quality) · CC BY 4.0. Prices are converted at fixed exchange rates.