Deepseek V4 Flash

deepseek/deepseek-v4-flash

DeepSeek-V4-Flash is a lightweight model meticulously designed by DeepSeek to deliver the ultimate combination of lightning-fast response times and unmatched cost-effectiveness. Engineered with fewer parameters and significantly lower activation overhead, V4-Flash provides an exceptionally fast and economical API service. At its core, V4-Flash demonstrates outstanding reasoning capabilities that closely rival the V4-Pro model. While featuring a slightly streamlined repository of world knowledge, it remains highly capable of satisfying the demands of most application scenarios. In Agentic applications, V4-Flash performs on par with the Pro version when handling standard and fundamental tasks. As the premier choice for developers prioritizing high concurrency, low latency, and cost efficiency, DeepSeek-V4-Flash serves as the optimal solution for deploying large-scale, high-frequency, and lightweight AI workloads.

Price

Input	$0.14 per million tokens
Cached reads	$0.028/百万 tokens
Output	$0.28 per million tokens

Use the following code example to integrate our API:

1from openai import OpenAI
2
3client = OpenAI(
4    api_key="<Your API Key>",
5    base_url="https://api.highwayapi.ai/openai"
6)
7
8response = client.chat.completions.create(
9    model="deepseek/deepseek-v4-flash",
10    messages=[
11        {"role": "system", "content": "You are a helpful assistant."},
12        {"role": "user", "content": "Hello, how are you?"}
13    ],
14    max_tokens=393216,
15    temperature=0.7
16)
17
18print(response.choices[0].message.content)

Information

Provider

DeepSeek

Quantification

Supported Features

Context length

1048576

Maximum output

393216

serverless

Support

Function call

Support

Structured output

Support

Reasoning

Support

Input Capabilities

text

Output Capabilities

text