OpenAI
o3 Mini High
O-series reasoning model for hard analysis, math, coding, and planning
Model facts
- Context window
- 2K tokens
- Maximum output
- 1K tokens
- Cheapest paid input
- $0.99 per 1M tokens
- Cheapest paid output
- $4 per 1M tokens
- Open weights
- no
- Providers
- 3
Capabilities and modalities
reasoning, tool calling, structured output, attachments, text, image, pdf.
Observed price history
- 2026-08-24: $0.55 input / $2.2 output per 1M tokens
- 2026-08-28: $0.99 input / $4 output per 1M tokens
API providers
- Poe — model id openai/o3-mini-high; $0.99 input / $4 output per 1M tokens; provider documentation
- Kilo Gateway (OpenAI) — model id openai/o3-mini-high; $1.1 input / $4.4 output per 1M tokens; provider documentation
- OpenRouter — model id openai/o3-mini-high; $1.1 input / $4.4 output per 1M tokens; provider documentation