DeepSeek V4.1 Flash
language modelDeepSeek
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...
Key facts
| Made by | DeepSeek |
|---|---|
| Type | language model |
| Released | September 10, 2026 |
| Reads at once | 1,048,576 tokens |
| Price (API, per million tokens) | $0.15 in · $0.6 out |
| Input → output | text, image → text |
Questions about DeepSeek V4.1 Flash
Who makes DeepSeek V4.1 Flash?
DeepSeek V4.1 Flash is made by DeepSeek.
When was DeepSeek V4.1 Flash released?
We first saw DeepSeek V4.1 Flash listed on September 10, 2026.
How much does DeepSeek V4.1 Flash cost?
Through OpenRouter it costs $0.15 per million input tokens and $0.6 per million output tokens. Prices change, so check the provider before you build on it.
How much text can DeepSeek V4.1 Flash read at once?
Up to 1,048,576 tokens, roughly 786.4K words.
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