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DeepSeek

DeepSeek R1

Reasoning model — rivals o1/o3 at 20x lower cost

betareasoningchinese-providerprivacy-warning
Input price
$0.66
per 1M tokens (with markup)
Output price
$2.63
per 1M tokens (with markup)
Context window
65,536
tokens max input
About DeepSeek R1

DeepSeek-R1 is an open reasoning model from DeepSeek. Excels at math, coding, and step-by-step logic. Outputs include visible chain-of-thought. WARNING: Per DeepSeek ToS, prompts may be used for model training and are processed on servers in China. Not recommended for sensitive workloads.

Capabilities
Streaming
Tool calling / function calls
Vision input
JSON mode
Use it through OneAPIKey
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.ONEAPIKEY_API_KEY,
  baseURL: "https://oneapikey.app/v1",
});

const res = await client.chat.completions.create({
  model: "deepseek-r1",
  messages: [{ role: "user", content: "Hello!" }],
});