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DeepSeek V4.1 Flash Derisked

De-risked

Fewer refusals (18+): follows your instructions more closely. Vani's usage rules still apply.

DeepSeek V4.1 Flash with far fewer refusals, and a 1M-token context window. For adults (18+).

A de-risked model: fewer refusals for legitimate research, security, creative and technical work, for adults (18+). Our Terms of Service still apply. What de-risked means

Try it in chatCompare

Facts

Context window
1M tokens
Input
Text
Thinking effort
Adjustable, up to Max
Speed
Fast
Available on
All plans
Intelligence rank at Vani
Not ranked

Guide

Best for

  • Fiction for adults
  • Frank answers

Good to know

  • For adults (18+) only
  • Always thinks before answering, so replies use more output
  • Much heavier on your allowance than standard models

Compare with

For developers

Use this model on the Vani API with the OpenAI- or Anthropic-compatible endpoints. Prepaid API prices per 1M tokens:

Model id
deepseek/deepseek-v4.1-flash-derisked
Input
$1.30
Output
$2.60
Cached input
Same as input

API docsAll API prices

DeepSeek V4.1 Flash Derisked API quickstart

OpenAI-compatible: point any OpenAI SDK at https://api.vani.ai/v1 and send deepseek/deepseek-v4.1-flash-derisked as the model. The Anthropic-compatible /v1/messages endpoint works too.

curl
curl https://api.vani.ai/v1/chat/completions \
  -H "Authorization: Bearer $VANI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "deepseek/deepseek-v4.1-flash-derisked", "messages": [{"role": "user", "content": "Hello!"}]}'
Python (OpenAI SDK)
from openai import OpenAI

client = OpenAI(base_url="https://api.vani.ai/v1", api_key="YOUR_VANI_API_KEY")
reply = client.chat.completions.create(
    model="deepseek/deepseek-v4.1-flash-derisked",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)

Get an API keyAPI reference

DeepSeek V4.1 Flash Derisked API: questions

Is DeepSeek V4.1 Flash Derisked an uncensored model?
People often look for it under that name. DeepSeek V4.1 Flash Derisked declines far fewer legitimate requests, because the consumer refusal layer is removed, but it is not a way around the law or our rules: the Terms of Service still apply, it is for adults (18+), and you are responsible for how you use what it generates.
How do I use the DeepSeek V4.1 Flash Derisked API?
Send deepseek/deepseek-v4.1-flash-derisked as the model to the OpenAI-compatible endpoint https://api.vani.ai/v1/chat/completions (or the Anthropic-compatible https://api.vani.ai/v1/messages), with a key from the Vani API Platform. Any OpenAI SDK works with base URL https://api.vani.ai/v1.
How much does the DeepSeek V4.1 Flash Derisked API cost?
On the prepaid Vani API, DeepSeek V4.1 Flash Derisked costs $1.30 per 1M input tokens and $2.60 per 1M output tokens. In Vani Chat it uses your plan's allowance.