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Grok 4.5

Grok 4.5 is a xAI reasoning model built for coding, agentic tasks, and knowledge work, accepting text and image input with selectable low, medium, and high reasoning levels. Your use is subject to xAI's Terms & Privacy Policies.

ReasoningTool UseImplicit CachingFile InputVision (Image)Web Search
Use with AI GatewayView docs
import { streamText } from 'ai'


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

Providers

Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Release Date
xAI
Legal:Terms•Privacy
500K500K
1.7s
60tps
$2/M+1 more
$6/M+1 more
Read:
$0.3/M+1 more
Write:
—
$5/K
+ input costs
+3
07/08/2026