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DeepSeek V3.1 API

DeepSeek

87% cheaper than OpenRouter

DeepSeek V3.1 on Amazon Bedrock Mantle.

About DeepSeek V3.1

DeepSeek V3.1 is a large language model developed by DeepSeek. It's particularly well-suited for tackling complex, multi-step reasoning problems, producing structured outputs for reliable data extraction, and handling large contexts of up to 128K tokens. Its 128K-token context window means you can pass in entire documents, codebases, or conversation histories without losing context. Developers choose DeepSeek V3.1 when they need reliable, production-quality AI inference through a simple API — and on Qubax, it's available at a fraction of the cost of traditional providers.

In the broader AI landscape, DeepSeek V3.1 sits among the capable offerings from DeepSeek With advanced reasoning, it competes with the most capable models on the market. What sets it apart on Qubax isn't just the model itself — it's the accessibility. Rather than dealing with enterprise contracts or traditional payment rails, you get instant access via an OpenAI-compatible endpoint. That means you can drop DeepSeek V3.1 into Cursor, Cline, LangChain, or any framework that speaks the OpenAI protocol and start building immediately.

Qubax offers DeepSeek V3.1 at 87% below OpenRouter's price — just $0.078 per million input tokens and $0.227 per million output tokens. That pricing advantage compounds quickly at scale: a high-volume application sending millions of tokens per day can save significantly compared to using OpenRouter or the provider directly. And because Qubax runs on crypto-native infrastructure, you can pay with USDC, USDT, ETH, BTC, or 200+ other cryptocurrencies — no credit card or bank account required.

Pricing

Token TypeQubaxOpenRouterYou Save
Input (per 1M tokens)$0.078$0.58087%
Output (per 1M tokens)$0.227$1.6887%

Prices per 1 million tokens. Pay with 200+ cryptocurrencies.

Estimated Monthly Cost

AI Chatbot
$8.10/mo
$60.00 on OpenRouter
Coding Copilot
$16.20/mo
$120.00 on OpenRouter
AI Agent
$15.15/mo
$112.20 on OpenRouter

Specifications

Context Window
128K
Max Output
8K
Provider
DeepSeek
Modality
TEXT

Use Cases

Complex Reasoning
Multi-step problem solving, math, and logical analysis
Long Documents
Process entire codebases, books, or lengthy conversations
Chat & Conversation
Build AI chatbots and conversational assistants
Content Generation
Write articles, code, emails, and more

Capabilities

Reasoning Streaming Structured Output json Schema Seed Control

Quick Start

Python
from openai import OpenAI

client = OpenAI(
    base_url="https://api.qubax.ai/v1",
    api_key="qbx_live_YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="deepseek-v3.1",
    messages=[
        {"role": "user", "content": "Hello!"}
    ],
)

print(response.choices[0].message.content)
JavaScript
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.qubax.ai/v1",
  apiKey: "qbx_live_YOUR_API_KEY",
});

const response = await client.chat.completions.create({
  model: "deepseek-v3.1",
  messages: [{ role: "user", content: "Hello!" }],
});

console.log(response.choices[0].message.content);
cURL
curl https://api.qubax.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer qbx_live_YOUR_API_KEY" \
  -d '{
    "model": "deepseek-v3.1",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Get your API key from the dashboard.

Why use DeepSeek V3.1 on Qubax?

87% Cheaper

Up to 87% off OpenRouter prices

Pay with Crypto

200+ coins (BTC, ETH, SOL, USDT, USDC & more). No credit card needed.

OpenAI Compatible

Drop-in replacement. Works with Cline, Cursor, any tool.

Get started →

More from DeepSeek

Compare DeepSeek V3.1 with alternatives

ModelProviderInput / 1MOutput / 1Mvs DeepSeek V3.1
DeepSeek V3.1DeepSeek$0.078$0.227
MiniMax M2.1MiniMax$0.041$0.162 Cheaper
Qwen 3 Coder 480B TurboAlibaba$0.129$0.551More expensive
Mistral Small 3.2 24B Instruct (Morpheus Web)Mistral AI$0.056$0.150 Cheaper
Trinity Large ThinkingOther$0.117$0.422More expensive

Frequently Asked Questions

How much does the DeepSeek V3.1 API cost?

On Qubax, DeepSeek V3.1 costs $0.078 per 1M input tokens and $0.227 per 1M output tokens. This is 87% cheaper than OpenRouter's price of $0.580 per 1M input tokens.

Is the DeepSeek V3.1 API compatible with OpenAI?

Yes. Qubax provides an OpenAI-compatible API. You can use DeepSeek V3.1 as a drop-in replacement by changing your base URL to https://api.qubax.ai/v1 and using your Qubax API key. It works with Cline, Cursor, OpenCode, Hermes Agent, and any tool that supports OpenAI APIs.

Why is DeepSeek V3.1 cheaper on Qubax than OpenRouter?

Qubax sources AI inference from the Surplus Intelligence marketplace, an open marketplace on the Base blockchain where compute providers compete on price. We pass the savings to you — 87% cheaper than OpenRouter's price for DeepSeek V3.1.

How do I pay for DeepSeek V3.1 API usage?

Qubax uses prepaid crypto credits. Deposit USDC on the Base chain and your balance is automatically deducted as you use the API. No credit card required. Top up from $3.

What is the context window of DeepSeek V3.1?

DeepSeek V3.1 supports a context window of 128K tokens, allowing you to process large documents, codebases, or long conversations in a single request.

What can I build with DeepSeek V3.1?

DeepSeek V3.1 is versatile enough for a wide range of applications. You can use it to tackle complex multi-step reasoning tasks, generate structured JSON output for data pipelines, process long documents and entire codebases, and more. Because it's served through Qubax's OpenAI-compatible API, integration into existing apps, agents, or workflows takes just a few lines of code.

How fast is DeepSeek V3.1 on Qubax?

DeepSeek V3.1 on Qubax supports streaming responses, so tokens begin arriving in real time as they're generated. Latency depends on the provider and prompt complexity, but most requests start streaming within 200–800 milliseconds. Qubax routes requests through the Surplus Intelligence marketplace, which selects the fastest available compute provider for each request — so you get competitive latency at a lower price.

DeepSeek V3.1 vs MiniMax M2.1: which should I choose?

DeepSeek V3.1 by DeepSeek and MiniMax M2.1 by MiniMax are both strong models in a similar price tier. DeepSeek V3.1 excels at complex reasoning. MiniMax M2.1 comes from a different lab and may have different strengths depending on your workload. On Qubax, DeepSeek V3.1 starts at $0.078/1M input tokens while MiniMax M2.1 comes in at $0.041/1M, so MiniMax M2.1 may be worth considering if you need to minimize per-token cost. Both are available on Qubax with crypto payments and OpenAI-compatible APIs, so you can try each and switch freely.

Can I use DeepSeek V3.1 for commercial projects?

Yes. DeepSeek V3.1 on Qubax can be used for commercial purposes. You own the outputs you generate. Qubax provides the API infrastructure — you bring your use case.

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