OpenAI o3 Pro
O-series reasoning model for hard analysis, math, coding, and planning
Model facts
- Context window
- 2K tokens
- Maximum output
- 1K tokens
- Cheapest paid input
- $20 per 1M tokens
- Cheapest paid output
- $80 per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
tool calling, text, image.
Observed price history
- 2026-08-24: $20 input / $80 output per 1M tokens
API providers
- Helicone — model id o3-pro; $20 input / $80 output per 1M tokens; provider documentation