Overview

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

Key Features

• Multimodal capabilities (Text, Image → Text)
• 200K tokens context window
• Up to 100,000 output tokens
• API access available