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DeepSeek V4.1 Flash API

deepseek/deepseek-v4.1-flash

Call DeepSeek V4.1 Flash through UberLLM’s OpenAI-compatible API — from $0.0002/M input and $0.0006/M output, routed automatically to the cheapest healthy seller. DeepSeek · 1,048,576 token context. Fee included.

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DeepSeek V4.1 Flash pricing

Price now · per 1M tokens
Input
$0.000151
Output
$0.000602
Cached input
$0.000003
% off list
99.9% off
80% of input served from cache
List price · per 1M tokens
Input
$0.33
Output
$1.32
Cached input
$0.0066
Providers and their list prices, per 1M tokens
ProviderInputOutputCached input
OpenRouter$0.30$1.20$0.006
DeepSeek$0.30$1.20$0.006
Bankr$0.30$1.20$0.006
Uncensored AI$0.30$1.20$0.006
Mordiem$0.30$1.20$0.006
Morpheus$0.30$1.20$0.006
Venice AI$0.30$1.20$0.0075

UberLLM routes every request to the cheapest healthy seller for this model. The price shown includes UberLLM’s 10% fee.

How to use DeepSeek V4.1 Flash with the OpenAI SDK

Already using the OpenAI SDK? Change one line — the base URL — and call DeepSeek V4.1 Flash with your existing code. Anthropic SDKs work against https://api.uberllm.dev/v1/messages.

python
from openai import OpenAI

client = OpenAI(
    base_url="https://api.uberllm.dev/v1",
    api_key="ull_your_key_here",
)

resp = client.chat.completions.create(
    model="deepseek/deepseek-v4.1-flash",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)

DeepSeek V4.1 Flash API — FAQ

How much does the DeepSeek V4.1 Flash API cost?

DeepSeek V4.1 Flash is listed from $0.0002 per million input tokens and $0.0006 per million output tokens through UberLLM, which routes each request to the cheapest healthy seller on a live marketplace and bills the price shown, which includes UberLLM's 10% fee.

How do I call DeepSeek V4.1 Flash via API?

Use any OpenAI-compatible SDK: set the base URL to https://api.uberllm.dev/v1, your UberLLM API key, and model "deepseek/deepseek-v4.1-flash". Anthropic SDKs work via https://api.uberllm.dev/v1/messages.

Is DeepSeek V4.1 Flash OpenAI-compatible on UberLLM?

Yes. Every model on UberLLM — including DeepSeek V4.1 Flash — is served through one OpenAI-compatible endpoint, so you change only the base URL and key.

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