What is DeepSeek V4 Flash 0423's context window?

DeepSeek V4 Flash 0423 supports a context window of 1,000,000 tokens, allowing you to process large documents and maintain long conversations.

How to use DeepSeek V4 Flash 0423 API via Ofox?

Simply set your base URL to https://api.ofox.run/v1 and use your Ofox API key. The API is OpenAI-compatible — just change the base URL and API key in your existing code.

What capabilities does DeepSeek V4 Flash 0423 support?

DeepSeek V4 Flash 0423 supports the following capabilities: function calling, prompt caching. Access all features through the Ofox.ai unified API.

DeepSeek V4 Flash 0423

Name: DeepSeek V4 Flash 0423
Brand: deepseek
Price: 0.19 USD
Availability: InStock

Chat

deepseek/deepseek-v4-flash-0423

Compare Try in Playground Get started

DeepSeek V4 Flash 0423 is the 2026-04-23 dated snapshot of DeepSeek's efficiency-optimized Mixture-of-Experts model, with 284B total parameters and 13B activated parameters. It targets fast inference and high-throughput workloads while remaining capable on coding and analytical tasks. It supports tool use and prompt caching; it exposes no separate thinking mode. Context window: 1M tokens, output: 384K. Keep this earlier snapshot pinned when a deployment has been validated against it and you need behaviour frozen; the 0731 snapshot is the newer point on the same line. Available via OpenAI and Anthropic protocols through Ofox.

Context Window

Max Output Tokens

384K

Released

2026-04-23

Capabilities

Function CallingPrompt Caching

Available Providers

Azure

Supported Protocols

openaianthropic

Providers

Azureprovider.type: "azure_foundry"

Input Tokens

$0.19/M

Output Tokens

$0.51/M

Cache Read

$0.44/M

Web Search

$0.035/R

Protocols

openai/v1/chat/completions/v1/responses

anthropic

Playground

Open in OfoxChat

Code Examples

from openai import OpenAI

client = OpenAI(
    base_url="https://api.ofox.run/v1",
    api_key="YOUR_OFOX_API_KEY",
)

response = client.chat.completions.create(
    model="deepseek/deepseek-v4-flash-0423",
    messages=[
        {"role": "user", "content": "Hello!"}
    ],
)

print(response.choices[0].message.content)