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O

o1

o-series
by OpenAI

Frontier reasoning model that thinks before answering. Excels at complex math, science, and coding.

Try in Chat
Dec 5, 2024

Specifications

Context Length
200K
200,000 tokens
Input Price
$15.00
per 1M tokens
Output Price
$60.00
per 1M tokens
Modalities
2
text→text, image+text→text

Capabilities

text generationchatreasoningcodevision

API Usage

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

openai/o1
cURL
curl https://api.1router.com/v1/chat/completions \
  -H "Authorization: Bearer $ROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/o1",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'