Grok 4.5

SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

ReasoningTool UseImplicit CachingFile InputVision (Image)Web Search

index.ts

import { streamText } from 'ai'

const result = streamText({
  model: 'xai/grok-4.5',
  prompt: 'Why is the sky blue?'
})

Throughput24 hours

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