Thinking Deepseek_v41

DeepSeek V4.1 Flash

Deepseek_v41 763B parameter (FP8) model with 1,048,576 token context window.

763B
Parameters
1,049K
Context Window
18×
Credit Rate
Enterprise
Min Tier

Overview

DeepSeek V4.1 Flash delivers enterprise-grade performance with 763 billion parameters optimized in FP8 quantization. Designed for complex reasoning tasks, this thinking model supports a massive 1,048,576 token context window, enabling seamless analysis of extensive codebases or long-form documents without fragmentation. Developers can integrate immediately via our standard API endpoints, ensuring your first call executes within minutes. The architecture balances high-level cognition with efficiency, making it ideal for building robust applications that require deep contextual understanding and precise output generation across multiple turns. Access requires an enterprise tier account to accommodate the computational resources needed for such scale.

For researchers and decision-makers, DeepSeek V4.1 Flash excels in bilingual proficiency, delivering state-of-the-art results in both Arabic and English benchmarks. The MIT license facilitates unrestricted deployment in production environments, while the 18x credit multiplier reflects its premium computational density. This model is production-ready for high-stakes workflows, offering the reliability required for enterprise adoption. Whether validating research pipelines or deploying customer-facing solutions, you gain access to a powerful engine capable of handling nuanced linguistic tasks without compromising on speed or accuracy. Pricing structures align with enterprise expectations for high-value AI infrastructure.

Specifications

Display Name DeepSeek V4.1 Flash
Family Deepseek_v41
Category Thinking
Parameters 763B
Context Window 1,048,576 tokens
Quantization FP8
License MIT
Min Tier Enterprise
Status Available

Pricing

18×
credits per token
1K 18,000 Credits
10K 180,000 Credits
100K 1,800,000 Credits
View Pricing Plans

Code Examples

from openai import OpenAI

client = OpenAI(
    base_url="https://llmapi.resayil.io/v1/",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="deepseek-v4.1-flash",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)

print(response.choices[0].message.content)
import anthropic

client = anthropic.Anthropic(
    base_url="https://llmapi.resayil.io/v1",
    api_key="YOUR_API_KEY"
)

message = client.messages.create(
    model="deepseek-v4.1-flash",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)

print(message.content[0].text)
const response = await fetch(
    "https://llmapi.resayil.io/v1/chat/completions",
    {
        method: "POST",
        headers: {
            "Content-Type": "application/json",
            "Authorization": "Bearer YOUR_API_KEY"
        },
        body: JSON.stringify({
            model: "deepseek-v4.1-flash",
            messages: [
                { role: "user", content: "Hello!" }
            ]
        })
    }
);

const data = await response.json();
console.log(data.choices[0].message.content);
curl https://llmapi.resayil.io/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "deepseek-v4.1-flash",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

Use Cases

Analyzing entire codebases for security vulnerabilities and refactoring
Summarizing lengthy legal contracts and extracting key clauses
Solving complex mathematical problems with step-by-step reasoning
Processing multi-hour video transcripts for actionable insights
Architecting large-scale software systems from detailed requirements

In-Depth Guide

Full Guide
Complete Guide to DeepSeek V4.1 Flash — LLM Resayil

Related Models

Start building with DeepSeek V4.1 Flash

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