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...
| Provider | openai |
|---|---|
| Input price | $20.00 / 1M tokens |
| Output price | $80.00 / 1M tokens |
| Context window | 200k tokens |
| Max output | 100k tokens |
| Modalities | text, file, image |
| Model ID | openai/o3-pro |
A 1,000-token prompt with a 500-token answer on OpenAI: o3 Pro costs roughly $0.06000. Use the OpenRouter cost calculator to price your own prompt across 400+ models, or the token counter to measure prompt length first.
PromNest stores your prompt library and lets you run any prompt on OpenAI: o3 Pro with your own OpenRouter key — including side-by-side comparison with other models. Browse 1,000+ ready-made prompt templates to start.