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?'})Latency24 hours
P50 time to first token (TTFT) on live AI Gateway traffic, in milliseconds. View the docs for more info.