o3-mini

openai/o3-mini

A chat model with a 200K-token context window, at $1.155 per million input tokens and $4.62 per million output tokens.

Details

Maker
openai
Kind
Chat
Context window
200,000 tokens
Max output
100,000 tokens
Input
$1.155 per million tokens
Cached input
$0.5775 per million tokens, 50% off
Cache write
Same as input
Output
$4.62 per million tokens
Capabilities
Reasoning, tool use
Takes
Text
Returns
Text
Zero data retention
Yes, on every provider
No training on requests
Yes, on every provider
Released
2025-01-31
Newer model
openai/gpt-6-lunaReleased later by the same maker, costs no more, and lists the same capabilities. Compare the two

Description

o3-mini is OpenAI's most recent small reasoning model, providing high intelligence at the same cost and latency targets of o1-mini.

Call it

curl
curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/o3-mini",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.