GPT-4.1
GPT-4.1 is OpenAI's April 2025 general-purpose API model, purpose-built for coding and instruction following with a context window of 1.0M tokens, a 21-point SWE-bench gain over GPT-4o, and a 75% prompt caching discount, at a lower cost than its predecessor.
File InputImplicit CachingTool UseVision (Image)Web Search
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-4.1', prompt: 'Why is the sky blue?'})Providers
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