GPT 5.4

openai/gpt-5.4

GPT-5.4 is OpenAI's best general-purpose model, part of the GPT-5 flagship model family. It's their most intelligent model yet for both general and agentic tasks.

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?'
})