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DeepSeek R1

DeepSeek
by DeepSeek

Open-weight reasoning model rivalling o1 at a fraction of the cost. Excellent for math and coding.

Try in Chat
Jan 20, 2025

Specifications

Context Length
64K
64,000 tokens
Input Price
$0.55
per 1M tokens
Output Price
$2.19
per 1M tokens
Modalities
1
text→text

Capabilities

text generationchatreasoningcode

API Usage

1Router is fully OpenAI-compatible. Just set the base URL and use this model ID:

deepseek/deepseek-r1
cURL
curl https://api.1router.com/v1/chat/completions \
  -H "Authorization: Bearer $ROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-r1",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'