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OpenAI

o3 Mini

Fast, affordable reasoning model — best-in-class for coding and STEM at low cost.

Released

Context Window

200.0K

tokens
Max Output

65.5K

tokens
Input / 1M

$1.10

per 1M tokens
Output / 1M

$4.40

per 1M tokens

Capabilities

Vision
Function Calling
Streaming
JSON Mode
System Prompt
Tool Use

Pricing Comparison

Quick Start

curl
curl -X POST https://api.nemorouter.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-your-api-key" \
  -d '{
    "model": "openai/o3-mini",
    "messages": [
      {"role": "system", "content": "You are a helpful assistant."},
      {"role": "user", "content": "Hello!"}
    ],
    "max_tokens": 256
  }'

Replace sk-your-api-key with your NemoRouter API key. Use openai/o3-mini as the model identifier.

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One API key.
Every model. Zero fee.

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