All Models
OpenAI o3 Pro
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently better answers. Note that BYOK is required for this model. Set up here: https://openrouter.ai/settings/integrations
Benchmarks
Available Providers (2)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
 Helicone | o3-pro | $20.00/MTok | $80.00/MTok | 200K | 100K | |
 Kilo Gateway | openai/o3-pro | $20.00/MTok | $80.00/MTok | 200K | 100K |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output