OpenAI · Model identity
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...
1pricing route
What published route metadata supports
File inputReasoningStructured outputTool useVisionWeb search
Input modalities
FilesImageText
Supported API parameters
include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2025-06-10
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
Could this workload cost less?Compare o3 Pro with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterStandard | openai/o3-pro | $20 | — | $80 | 200K | OpenRouter API ↗ |
0 verified price changes since Aug 26, 2026
1 route availability change recorded. No earlier prices are inferred.
- Aug 28, 2026OpenRouter · Batch
Pricing route removed