Enterprise AI with DeepSeek in Turkey - The Unified AI API Platform

What Is DeepSeek DeepSeek?

About the technology and the company behind the model

DeepSeek is a Hangzhou-based AI research lab that emerged from the Chinese quantitative fund High-Flyer in 2023. Instead of joining the industry's ever-bigger-cluster arms race, the lab bet on efficiency: Mixture-of-Experts (MoE) architecture, memory-saving attention techniques and low-precision training let it build frontier-class models for a fraction of what flagship rivals spend. Its tradition of releasing open weights has made DeepSeek a driving force of the global open-source ecosystem — and has repeatedly reset the industry's expectations of what intelligence should cost.

The current lineup spans four models. DeepSeek V4 Pro, the new flagship, leads the family on multi-step reasoning, agentic workflows and demanding coding tasks. V4 Flash tunes the same generation for low latency and high volume, V3.2 remains the proven balanced choice, and the MIT-licensed R1-0528 is the open reasoning model that exposes its full chain of thought — a standout for mathematics and scientific analysis.

For teams that need DeepSeek API access from Turkey, Onysoft AI Gateway is the shortest route. The platform, operated by Izmir-based Onysoft Veri Merkezi A.S., unifies more than 708 models behind a single OpenAI-compatible endpoint: point base_url at https://api.onysoft.com/v1 and your existing SDK code runs unchanged. Billing is pay-as-you-go in Turkish lira at the current central-bank (TCMB) rate, with live TL pricing on this page, corporate e-invoices, KVKK-compliant infrastructure and 24/7 Turkish-language support — no foreign credit card or VPN required.

DeepSeek's vision is straightforward: keep pushing the cost curve of frontier intelligence down while keeping research open. The V4 generation is the strongest proof of that claim yet, and as new releases ship they land in the Onysoft catalog automatically — upgrading is just a model-name change.

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Provider

DeepSeek

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Founded

2023

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Headquarters

Hangzhou, China

DeepSeek Performance Metrics

Results from industry-standard benchmark tests

MMLU General knowledge and comprehension across 57 domains 87.1

HumanEval Code generation — Python function correctness 89.4

MATH Competition-level mathematics problems 90.2

GPQA PhD-level scientific reasoning 58.5

* Benchmark results are based on data published by the respective providers and may be updated.

Why Choose DeepSeek?

The Price-Performance Champion of AI

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Price-Performance, Paid in Lira

Get flagship-class results at a token cost far below comparable models. On Onysoft you pay from a Turkish lira balance at the current central-bank rate — no subscription required.

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Open Reasoning: R1-0528

The MIT-licensed R1-0528 exposes its chain of thought step by step, giving you auditable reasoning for mathematics, science and analytical tasks.

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Agent-Grade Coding

The new flagship V4 Pro delivers the family's strongest results on agentic development tasks: code generation, debugging and multi-file refactors.

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Low Latency with V4 Flash

The speed-tuned V4 Flash powers real-time chat, classification and high-volume pipelines. Users don't wait, and budgets don't balloon.

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128K Context Window

Process hundreds of pages of documents or a large codebase in a single request with the 128,000-token context window.

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KVKK-Compliant Enterprise Access

KVKK-compliant infrastructure, corporate e-invoicing and 24/7 Turkish-language support via Izmir-based Onysoft. No foreign card or VPN needed.

DeepSeek Models and Pricing

DeepSeek models available in TL through Onysoft AI Gateway

Recommended

DeepSeek V4 Pro

Flagship

The family's new flagship. The strongest DeepSeek for multi-step reasoning, agentic workflows and enterprise-grade coding.

deepseek/deepseek-v4-pro play_circle Try

arrow_downward Input: ₺0,03 / 1K tokens

arrow_upward Output: ₺0,06 / 1K tokens

DeepSeek V4 Flash

Budget

The speed-focused member of the V4 generation. Low latency and low cost for chatbots, classification and high-volume jobs.

deepseek/deepseek-v4-flash play_circle Try

arrow_downward Input: ₺0,01 / 1K tokens

arrow_upward Output: ₺0,02 / 1K tokens

DeepSeek V3.2

Popular

The proven balanced model. A price-performance classic for general-purpose production workloads.

deepseek/deepseek-v3.2 play_circle Try

arrow_downward Input: ₺0,02 / 1K tokens

arrow_upward Output: ₺0,03 / 1K tokens

DeepSeek R1 (0528)

MIT-licensed open reasoning model. Exposes its chain of thought — built for mathematics, science and deep analysis.

deepseek/deepseek-r1-0528 play_circle Try

arrow_downward Input: ₺0,04 / 1K tokens

arrow_upward Output: ₺0,15 / 1K tokens

view_list View All Models and Pricing

DeepSeek Use Cases

What businesses in Turkey can build with DeepSeek

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Mathematics & Scientific Analysis

Competition-level math, engineering calculations and scientific problem solving with R1-0528 and V4 Pro — complete with a traceable chain of thought.

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The Economical Code Assistant

Flagship-quality code generation, review and refactoring at a fraction of the cost. Wire it into your CI pipeline without watching the meter.

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Batch Data Processing

Classify, label and summarize millions of records. DeepSeek's low token cost makes large-scale data jobs financially viable.

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High-Volume Support Bots

Build low-latency, multi-session customer support bots on V4 Flash. Costs stay predictable even at peak traffic.

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Education Technology

Math and science tutoring apps that walk students through solutions step by step. R1's visible reasoning is pedagogical gold.

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RAG & Document Intelligence

Build Q&A, summarization and extraction pipelines over contracts, reports and technical documentation using the 128K context window.

Which Sectors Does DeepSeek Serve?

Sectors using DeepSeek through Onysoft AI Gateway

Education Research Software Fintech Startups Engineering Data Science E-Commerce

How to Get Started with DeepSeek?

Start using DeepSeek models in your project in 3 steps

1

Create an Account

Sign up to Onysoft AI Gateway for free. Sign in instantly with your email address or your GitHub/Google account. Your API key is generated automatically.

2

Add Balance

Add as much balance as you like in Turkish Lira. You can pay by bank transfer/EFT, credit card or corporate invoice. Transparent TL pricing with the current TCMB exchange rate.

3

Start Using the API

Thanks to our OpenAI-compatible API endpoint, access DeepSeek models without changing your existing code. Just change the base_url and api_key.

from openai import OpenAI

client = OpenAI(
    api_key="sk-ony-...",
    base_url="https://api.onysoft.com/v1"
)

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

import OpenAI from 'openai';

const client = new OpenAI({
    apiKey: 'sk-ony-...',
    baseURL: 'https://api.onysoft.com/v1'
});

const response = await client.chat.completions.create({
    model: 'deepseek/deepseek-v4-pro',
    messages: [{role: 'user', content: 'Merhaba!'}]
});
console.log(response.choices[0].message.content);

curl https://api.onysoft.com/v1/chat/completions \
  -H "Authorization: Bearer sk-ony-..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-v4-pro",
    "messages": [{"role": "user", "content": "Merhaba!"}]
  }'

$ch = curl_init('https://api.onysoft.com/v1/chat/completions');
curl_setopt_array($ch, [
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer sk-ony-...',
        'Content-Type: application/json'
    ],
    CURLOPT_POSTFIELDS => json_encode([
        'model' => 'deepseek/deepseek-v4-pro',
        'messages' => [['role' => 'user', 'content' => 'Merhaba!']]
    ]),
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true
]);
$response = json_decode(curl_exec($ch));
echo $response->choices[0]->message->content;

Why Use DeepSeek with Onysoft?

The advantages of choosing Onysoft AI Gateway over the DeepSeek API directly

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Pay in Turkish Lira

No foreign credit card needed. Transparent pricing in TL with the current TCMB exchange rate. Bank transfer, credit card or corporate invoice.

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Invoicing in Turkey

As a company based in Turkey, we issue e-invoices and e-archive invoices. Your accounting processes run smoothly.

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One API, All Models

Access 370+ models including DeepSeek just by changing the base_url. OpenAI SDK compatible.

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24/7 Support in Turkish

Our Turkish-speaking technical support team is always with you. Integration help and issue resolution.

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KVKK Compliant

Data processing policies aligned with Turkish regulations. Enterprise data security standards.

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Cost Optimization

Switch easily between different models as your needs change. Optimize your budget.

Frequently Asked Questions About DeepSeek

What people wonder about DeepSeek and Onysoft AI Gateway

How do I access the DeepSeek API from Turkey? expand_more

Create a free Onysoft AI Gateway account, top up a Turkish lira balance and point your client at https://api.onysoft.com/v1. No VPN, foreign credit card or separate DeepSeek account is required — every DeepSeek model is available within minutes.

How does DeepSeek API pricing work in Turkish lira? expand_more

Everything is pay-as-you-go with no subscription. Token-based charges are converted at the current central-bank (TCMB) exchange rate and deducted from your TL balance. Live TL pricing for every model is shown on this page and in the Playground.

Is my data safe under KVKK when using DeepSeek? expand_more

Onysoft AI Gateway is operated in compliance with KVKK (Turkey's data protection law) by Izmir-based Onysoft Veri Merkezi A.S., so your contract, billing and support all run with a Turkish legal entity. For workloads containing sensitive personal data, we recommend anonymizing or masking fields before sending requests.

Which DeepSeek model should I choose? expand_more

Pick V4 Pro for complex reasoning, agentic workflows and hard coding tasks; V4 Flash for high-volume, low-latency jobs like chatbots and classification; and V3.2 for proven, balanced general use. Choose R1-0528 when you want visible step-by-step reasoning for math and analysis.

Will my existing OpenAI SDK code work with DeepSeek? expand_more

Yes. Change base_url to https://api.onysoft.com/v1, use your Onysoft API key and set the model to e.g. deepseek/deepseek-v4-pro. The official OpenAI SDKs for Python, Node.js and other languages work without any further changes.

What is the context window of DeepSeek models? expand_more

A 128K-token context window is standard across the family — enough for hundreds of pages of documents or a sizable codebase in a single request. Current limits and maximum output tokens are listed on each model's detail page.

What makes DeepSeek V4 Pro special? expand_more

V4 Pro is DeepSeek's new flagship, built on the V4 generation of its Mixture-of-Experts architecture. It delivers the family's strongest results on agentic tasks, multi-step reasoning and enterprise-grade coding — while carrying DeepSeek's famous price-performance ratio into the flagship class.

Can I get a corporate invoice for DeepSeek usage? expand_more

Yes. Onysoft issues corporate e-invoices (e-fatura) for all your usage — just add your company details to your account. Invoices flow straight into your accounting, with no foreign-currency payments or expense-documentation headaches.

Why is DeepSeek so cheap? expand_more

Its MoE architecture activates only a small fraction of parameters per request, and efficient training techniques cut compute costs further. The low price comes from architectural efficiency, not lower quality — the benchmark results back that up.

Does DeepSeek support Turkish? expand_more

Yes — Turkish is supported and performs well on everyday tasks, though the models are strongest in English and Chinese. For nuance-heavy Turkish content, run a quick comparison in the Playground; on Onysoft you can switch to Claude or GPT through the same API.

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