o3 Pro
Rank #350
openai
openai/o3-pro-2025-06-10
Usage data date 2026-07-26 · updated daily
Usage and specs
Daily rank#350
Daily tokens15.4M
Daily requests4K
Daily change
−28.3%
Context window200K
Released
What is 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
o3 Pro capabilities
Input: Text、File、Image Output: Text
o3 Pro API pricing
Input · per 1M tokens$20.00
Output · per 1M tokens$80.00
List prices in USD; see each provider’s site for current terms.
Tools built on this model
ChatGPT
Best for people or teams exploring chat and assistance; not suitable for high-risk decisions without human review and current official terms.
GPT-4
Best for people or teams exploring model training and use; not suitable for high-risk decisions without human review and current official terms.
DALL·E 3
Best for people or teams exploring model training and use; not suitable for high-risk decisions without human review and current official terms.
Codex
Best for professional developers and engineering teams that want to delegate development, refactoring, and ops work to an AI agent; not for non-programmers or users who only need simple code completion.
StudyCorgi ChatGPT Detector
Suitable for students and teachers who need a free, fast way to screen essays and assignments; not suitable for users who must scan very long documents or batches of files.