Models Directory

Claude 3 Opus

Deprecated - a research preview of GPT-4.5. We recommend using gpt-4.1 or o3 models instead for most use cases.

GPT-5 pro uses more compute to think harder and provide consistently better answers.

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide consistently better answers.

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.