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DeepSeek V4.1 Flash Derisked is now on Vani

DeepSeek V4.1 Flash with far fewer refusals and a 1M-token context window. Our lowest-priced de-risked model, for adults: in Vani Chat on every plan, Free included, and on the Vani API.

Illustration: jagged mountain peaks rising out of mist above a still lake at nightIllustration

DeepSeek V4.1 Flash Derisked is available today in Vani Chat on every plan, Free included, and on the Vani API as deepseek/deepseek-v4.1-flash-derisked.

It's DeepSeek V4.1 Flash with far fewer refusals. It follows your instructions more closely, so fiction for adults, frank answers, and legitimate research and security questions get a real answer instead of a reflexive no. It joins GLM 5.3 Derisked as a lower-priced option: at $1.30 per million input tokens, it's our lowest-priced de-risked model.

Where it fits

ModelWhat it is
DeepSeek V4.1 FlashDeepSeek's standard model
DeepSeek V4.1 Flash DeriskedDeepSeek V4.1 Flash with far fewer refusals

More on what de-risked means: vani.ai/derisked. Model details: vani.ai/models/deepseek/deepseek-v4.1-flash-derisked.

Always the model you picked

Vani checks that every reply comes from exactly this model. If that can't be confirmed, your request is refused instead of being sent to a different model.

What you get

  • It always thinks before it answers, and you choose how hard it thinks.
  • 1 million tokens of context and up to 65,536 tokens of output.
  • Streaming, tool calling and web search on the Vani API.

For adults

Like Vani's other de-risked models, it's for adults (18+). It's always labelled De-risked in the model picker, so choosing it is deliberate. Vani's terms still apply to it, including everything they prohibit on every model.

Use it on the API

The model ID is deepseek/deepseek-v4.1-flash-derisked. It works with the OpenAI-compatible Chat Completions and Responses APIs and the Anthropic-compatible Messages API.

Per 1M tokensPrice
Input$1.30
Output$2.60

In Vani Chat it uses your plan's allowance at the same rate.

Prepaid API keys from platform.vani.ai and keys created in Vani Chat on Plus or higher can use it today.

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