ELLISEKIZ
DeepSeek V4.1 Flash
chat / llm

DeepSeek V4.1 Flash by DEEPSEEK

deepseek-ai/deepseek-v4.1-flash

DeepSeek V4.1 Flash is a state-of-the-art large language model combining efficient sparse attention, strong reasoning, and integrated agent capabilities for robust long-context understanding and versatile AI applications.

Chat / LLM
Sign in to run
Output

Ready when you are

Set up the model and run your first generation.

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Other variants in this seriesFamily guide →DeepSeek V4 Pro 0813$1.32/$3.96 · 1MDeepSeek V4 Flash 0731$0.44/$1.32 · 1MDeepSeek V4 Pro$1.68/$3.38 · 1MDeepSeek V4 Flash$0.14/$0.28 · 1MDeepSeek V3.2$0.26/$0.38 · 1MDeepSeek V3.2 Exp$0.26/$0.38 · 1MDeepSeek OCR$0.04/$0.08 · 1M

Questions

How much does DeepSeek V4.1 Flash cost?
$0.30 per 1M input tokens and $1.20 per 1M output tokens on ElliSekiz — the provider's own price, billed 1:1 from a prepaid USD balance with no markup and no subscription. Failed generations are free.
How do I call DeepSeek V4.1 Flash from the API?
POST to https://ellisekiz.ai/api/v1/generations with "model": "deepseek-ai/deepseek-v4.1-flash" and your prompt, authenticated with an ElliSekiz API token. The API tab on this page has the full request for this model, including its own parameters.
Pricing $0.30 in / $1.20 out per 1M tokens · billed 1:1 at provider cost · compare providers