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DeepSeek V4 Pro 0813

openrouter
deepseek/deepseek-v4-pro-0813

High-capability DeepSeek reasoning model for complex multi-step problem solving and long-horizon agentic workflows. Supports function calling with a large context window; hosted on Cloudflare Workers AI.

Quick start

TypeScript
cURL
import OpenAI from 'openai'

const openai = new OpenAI({
  apiKey: process.env.CODEPLATFORM_API_KEY,
  baseURL: 'https://ai.codeplatform.net/v1',
})

const response = await openai.chat.completions.create({
  model: 'deepseek/deepseek-v4-pro-0813',
  messages: [{
    role: 'user',
    content: 'Hello world',
  }],
})

API details

Send requests to the OpenAI-compatible /v1/chat/completions endpoint.

Capabilities

Pricing

Input tokens (per 1M)$1.32
Output tokens (per 1M)$3.96
Cached input (per 1M)$0.044

Limits

Context length1,048,576 tokens
Max output384,000 tokens