DeepSeek V4 Flash 0731
Chatdeepseek/deepseek-v4-flash-0731DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and high-throughput workloads, while maintaining strong reasoning and coding performance.
Context Window
1M
Max Output Tokens
384K
Released
2026-07-31
Capabilities
Function CallingPrompt Caching
Available Providers
AliyunVolcengineAzure
Supported Protocols
openaianthropic
Providers
Aliyun
Input Tokens
$0.44/M
Output Tokens
$1.32/M
Cache Read
$0.014/M
Cache Write
$0.55/M
Web Search
$0.01/R
Protocols
anthropic
Azure
Input Tokens
$0.44/M
Output Tokens
$1.32/M
Cache Read
$0.014/M
Protocols
openai
/v1/chat/completions/v1/responsesanthropic
Volcengine
Input Tokens
$0.44/M
Output Tokens
$1.32/M
Cache Read
$0.014/M
Protocols
openai
/v1/chat/completions/v1/responsesanthropic
Code Examples
from openai import OpenAIclient = OpenAI(base_url="https://api.ofox.io/v1",api_key="YOUR_OFOX_API_KEY",)response = client.chat.completions.create(model="deepseek/deepseek-v4-flash-0731",messages=[{"role": "user", "content": "Hello!"}],)print(response.choices[0].message.content)
Related Models
Frequently Asked Questions
DeepSeek V4 Flash 0731 on Ofox.ai costs $0.44/M per million input tokens and $1.32/M per million output tokens. Pay-as-you-go, no monthly fees.
DeepSeek V4 Flash 0731 supports a context window of 1M tokens with max output of 384K tokens, allowing you to process large documents and maintain long conversations.
Simply set your base URL to https://api.ofox.io/v1 and use your Ofox API key. The API is OpenAI-compatible — just change the base URL and API key in your existing code.
DeepSeek V4 Flash 0731 supports the following capabilities: Function Calling, Prompt Caching. Access all features through the Ofox.ai unified API.