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...
Specifications
| Provider | OpenAI |
|---|---|
| Context window | 200,000 tokens (200K) |
| Input price | $20 / 1M tokens |
| Output price | $80 / 1M tokens |
| Input modalities | text, file, image |
| Output modalities | text |
| Model ID | openai/o3-pro |
Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-08-22); a provider's own list price may differ.
Frequently asked questions
How much does o3 Pro cost?
Indicative pricing (via OpenRouter, updated 2026-08-22) is $20 per 1M input tokens and $80 per 1M output tokens. A provider's own list price may differ. On Vincony, o3 Pro is available on credit-based pricing alongside 800+ other models.
What is o3 Pro's context window?
o3 Pro supports a context window of up to 200,000 tokens (200K), which is how much text it can consider at once.
Who makes o3 Pro?
o3 Pro is built by OpenAI. You can access it — and compare it against other providers' models — through Vincony's multi-model platform.
How do I use o3 Pro?
You can use o3 Pro directly through OpenAI, or via Vincony, which aggregates 800+ models (including o3 Pro) into one interface with side-by-side comparison and credit-based pricing.