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GPT 5.4

GPT 5.4 is the standard tier of the GPT-5.4 model family, extending the agentic and reasoning capabilities of GPT-5.3 Codex to all domains including knowledge work, multi-step workflows, and analysis.

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


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