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GPT OSS 120B

GPT OSS 120B is OpenAI's open-source 120-billion parameter language model, offering strong general-purpose capability with the transparency and flexibility of open weights.

ReasoningTool Use
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'openai/gpt-oss-120b',
  prompt: 'Why is the sky blue?'
})
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Throughput

P50 throughput on live AI Gateway traffic, in tokens per second (TPS). Visit the docs for more info.