DeepSeek V4 Pro API
DeepSeek's most capable model. Near-flagship performance at ultra-low cost. Strong in reasoning, coding, and math.
💰 Save up to 70% vs official DeepSeek pricingTechnical Specifications
| Provider | DeepSeek |
| Model Family | DeepSeek V4 Pro |
| Release Date | 2026-05 |
| Context Window | 128K |
| Max Output Tokens | 65,536 |
| Input Price | $0.55 / 1M tokens |
| Output Price | $2.19 / 1M tokens |
| Vision Support | No |
| Function Calling | Yes ✓ |
| JSON Mode | No |
| Streaming | Yes ✓ |
| Fine Tuning | Not Available |
| Status | Active ✓ |
Overview
DeepSeek V4 Pro is DeepSeek's current deepseek-class AI model, released in 2026-05. DeepSeek's most capable model. Near-flagship performance at ultra-low cost. Strong in reasoning, coding, and math.
With a 128K context window and maximum output of 65,536 tokens, DeepSeek V4 Pro is well-suited for latest v4 flagship and best deepseek quality. At $0.55/1M input and $2.19/1M output, it offers extremely competitive pricing within the DeepSeek ecosystem.
DeepSeek V4 Pro supports 5 capabilities: Reasoning, Code Generation, Math, Streaming, Tool Use. Fine-tuning is not available for this model. The model serves as an latest v4 flagship solution for developers building text-based AI applications.
Through AI API Hub, you can access DeepSeek V4 Pro with USDT & USDC payments, no credit card required. All via a fully OpenAI-compatible API — just change your base URL and start building in 30 seconds.
API Examples
Python
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://api.apiyihe.org/v1"
)
response = client.chat.completions.create(
model="deepseek-v4-pro",
messages=[
{"role": "user", "content": "Hello"}
]
)
print(response.choices[0].message.content)JavaScript / Node.js
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.API_KEY,
baseURL: "https://api.apiyihe.org/v1"
});
const response = await client.chat.completions.create({
model: "deepseek-v4-pro",
messages: [
{ role: "user", content: "Hello" }
]
});
console.log(response.choices[0].message.content);cURL
curl https://api.apiyihe.org/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "deepseek-v4-pro",
"messages": [
{"role": "user", "content": "Hello"}
]
}'Compare Alternatives
Frequently Asked Questions
What is DeepSeek V4 Pro?
DeepSeek V4 Pro is DeepSeek's current deepseek model. DeepSeek's most capable model. Near-flagship performance at ultra-low cost. Strong in reasoning, coding, and math.. It features a 128K context window, supports Reasoning, Code Generation, Math, and is available through AI API Hub with USDT/USDC payments.
How much does DeepSeek V4 Pro cost?
DeepSeek V4 Pro pricing: $0.55 per 1M input tokens, $2.19 per 1M output tokens. Pay-as-you-go with no minimum commitment. Sign up at AI API Hub and start with as little as $5.
DeepSeek V4 Pro vs GPT-5.5?
DeepSeek V4 Pro: $0.55/$1M input, 128K context. GPT-5.5: $5.00/$1M input, 256K context. DeepSeek V4 Pro is more cost-effective. Latest V4 flagship. Compare them at /compare/deepseek-v4-pro-vs-gpt-5.5/.
DeepSeek V4 Pro context window?
DeepSeek V4 Pro has a 128K context window, capable of processing up to 128,000 tokens in a single request. Maximum output tokens: 65,536.
Does DeepSeek V4 Pro support function calling?
Yes, DeepSeek V4 Pro supports function/tool calling, allowing you to define functions that the model can invoke. This enables AI agents, API integrations, and structured data extraction.
Is DeepSeek V4 Pro multimodal?
No, DeepSeek V4 Pro is a text-only model. For multimodal use cases, consider models with vision/audio capabilities.
DeepSeek V4 Pro API rate limits?
DeepSeek V4 Pro rate limits: 5K RPM. Higher tier plans offer increased throughput. For high-volume production use, consider DeepSeek's faster variant models.
How to access DeepSeek V4 Pro API?
Access DeepSeek V4 Pro through AI API Hub: (1) Register at api.apiyihe.org/register?aff=8JZC, (2) Deposit USDT/USDC, (3) Get your API key instantly, (4) Use the OpenAI-compatible endpoint https://api.apiyihe.org/v1 with model name "deepseek-v4-pro". Start building in under 30 seconds.