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GPT 5.4 Pro

GPT 5.4 Pro is the highest-capability tier of the GPT-5.4 family, designed for maximum performance on the most complex tasks with extended reasoning and GPT-5.4 agentic capabilities.

ReasoningTool UseVision (Image)File InputImplicit CachingWeb Search
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'openai/gpt-5.4-pro',
  prompt: 'Why is the sky blue?'
})
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