DeepSeek: R1 · fastrouter

Name: DeepSeek: R1
Brand: DeepSeek
Price: 0.5 USD
Availability: InStock

A frontier-level reasoning model with 671B total parameters (37B activated per token) that delivers performance comparable to OpenAI's o1 across mathematics, coding, and reasoning tasks. Licensed under MIT for free commercial use, it pioneered cold-start data techniques before reinforcement learning to achieve breakthrough capabilities.

Base model All models on this base All models of the provider to the provider

Input, $/1M $0.50

Output, $/1M $2.18

Context 163 840

Max output 163 840

Accepts text

Last checked 04.11.2026 12:00:14 UTC

Source provider's page

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API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL	`https://go.fastrouter.ai/api/v1`
Endpoint	`https://go.fastrouter.ai/api/v1/chat/completions`
Model id	`deepseek-ai/DeepSeek-R1`

curl

curl https://go.fastrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "deepseek-ai/DeepSeek-R1", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'

Python

import requests

r = requests.post(
    "https://go.fastrouter.ai/api/v1/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "deepseek-ai/DeepSeek-R1",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ],
      "max_tokens": 256
    },
)
print(r.json())

JavaScript

const r = await fetch("https://go.fastrouter.ai/api/v1/chat/completions", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "deepseek-ai/DeepSeek-R1",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ],
    "max_tokens": 256
  }),
});
console.log(await r.json());

Request (JSON)

{
  "model": "deepseek-ai/DeepSeek-R1",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 256
}

Response (JSON)

{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "model": "deepseek-ai/DeepSeek-R1",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hi! How can I help?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Afastrouter%7Cdeepseek-ai/DeepSeek-R1, prices checked 2026-11-04; seller's page: https://fastrouter.ai/models/deepseek-ai/DeepSeek-R1

Technical details

ID: offer:fastrouter|deepseek-ai/DeepSeek-R1