GPT-5 pro
GPT-5 pro is the highest-capability tier in the GPT-5 family, offering extended compute for the most demanding tasks, deeper reasoning, more thorough analysis, and higher-quality output for problems where standard GPT-5 reaches its limits.
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-5-pro', prompt: 'Why is the sky blue?'})