Grok 4.5
By spacexai
spacexai/grok-4.5SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
ReleasedJul 8, 2026
Pricing
Pricing (Input)$2.00/M
Pricing (Output)$6.00/M
CachingYes
Limits
Context Length500K
Max Output Tokens500K
Input Modalities
TextSupported
ImageSupported
PDFSupported
AudioNot supported
Output Modalities
TextSupported
ImageNot supported
AudioNot supported
Features
ReasoningSupported
ToolsSupported
TemperatureSupported