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Grok 4.5

xAI
Announcement
Grok 4.5 launch post cover

Cost/1M tokens

input
$2.00
cached
$0.30
output
$6.00
Context
500Ktokens
Released
4mo ago

Specifications

Model

Developer
xAI
Family
GrokGrok 4.5
Type
Language model
Released
July 8, 2026
Model ID
x-ai/grok-4.5

Capabilities

Input → output
Text, image, file → Text
Max output
450K tokens
Tokenizer
Grok

Weights

Openness
Closed

Sources:models.devOpenRouter

Metadata synced Nov 10, 2026, 7:59 PM UTC

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