This model is 21 months old. The same company has since released something newer: GPT-6 (2026-10-07). The details below are still accurate for this model — it just is not what we would recommend today.
o3-mini
OpenAI🇺🇸 United States
Small OpenAI reasoning model with selectable reasoning effort (low, medium, high).
Context window200K tokens
Input / 1M tokens$1.1
Output / 1M tokens$4.4
Pricing and context window via OpenRouter, 2026-10-25.
Version History
launchmajor
o3-mini released. Small OpenAI reasoning model with selectable reasoning effort (low, medium, high).