DeepSeek V4 Flash API
Fast, cost-effective DeepSeek model. The best choice for high-volume production use with excellent price-performance.
💰 Save up to 70% vs official DeepSeek pricingTechnical Specifications
| Provider | DeepSeek |
| Model Family | DeepSeek V4 Flash |
| Release Date | 2026-05 |
| Context Window | 128K |
| Max Output Tokens | 32,768 |
| Input Price | $0.27 / 1M tokens |
| Output Price | $1.10 / 1M tokens |
| Vision Support | No |
| Function Calling | No |
| JSON Mode | No |
| Streaming | Yes ✓ |
| Fine Tuning | Not Available |
| Status | Active ✓ |
Overview
DeepSeek V4 Flash is DeepSeek's current deepseek-class AI model, released in 2026-05. Fast, cost-effective DeepSeek model. The best choice for high-volume production use with excellent price-performance.
With a 128K context window and maximum output of 32,768 tokens, DeepSeek V4 Flash is well-suited for fast & affordable and great value. At $0.27/1M input and $1.10/1M output, it offers extremely competitive pricing within the DeepSeek ecosystem.
DeepSeek V4 Flash supports 3 capabilities: Reasoning, Code Generation, Streaming. Fine-tuning is not available for this model. The model serves as an fast & affordable solution for developers building text-based AI applications.
Through AI API Hub, you can access DeepSeek V4 Flash 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-flash",
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-flash",
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-flash",
"messages": [
{"role": "user", "content": "Hello"}
]
}'Compare Alternatives
Frequently Asked Questions
What is DeepSeek V4 Flash?
DeepSeek V4 Flash is DeepSeek's current deepseek model. Fast, cost-effective DeepSeek model. The best choice for high-volume production use with excellent price-performance.. It features a 128K context window, supports Reasoning, Code Generation, Streaming, and is available through AI API Hub with USDT/USDC payments.
How much does DeepSeek V4 Flash cost?
DeepSeek V4 Flash pricing: $0.27 per 1M input tokens, $1.10 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 Flash vs GPT-5.5?
DeepSeek V4 Flash: $0.27/$1M input, 128K context. GPT-5.5: $5.00/$1M input, 256K context. DeepSeek V4 Flash is more cost-effective. Fast & affordable. Compare them at /compare/deepseek-v4-flash-vs-gpt-5.5/.
DeepSeek V4 Flash context window?
DeepSeek V4 Flash has a 128K context window, capable of processing up to 128,000 tokens in a single request. Maximum output tokens: 32,768.
Does DeepSeek V4 Flash support function calling?
No, DeepSeek V4 Flash does not natively support function calling. For function calling use cases, consider DeepSeek's flagship models.
Is DeepSeek V4 Flash multimodal?
No, DeepSeek V4 Flash is a text-only model. For multimodal use cases, consider models with vision/audio capabilities.
DeepSeek V4 Flash API rate limits?
DeepSeek V4 Flash rate limits: 10K RPM. Higher tier plans offer increased throughput. For high-volume production use, consider DeepSeek's faster variant models.
How to access DeepSeek V4 Flash API?
Access DeepSeek V4 Flash 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-flash". Start building in under 30 seconds.