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GPT 5.4 Mini

GPT 5.4 Mini is the cost-efficient member of the GPT-5.4 family, delivering strong performance in code generation, tool orchestration, and multi-step browser interactions at a price point designed for agentic production workloads.

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index.ts
import { streamText } from 'ai'


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