Grok 4.3
By spacexai
spacexai/grok-4.3Grok 4.3 is a new model matching the scale of Grok 4.20 with an improved architecture and a December 2025 knowledge cutoff.
ReleasedApr 30, 2026
Pricing
Pricing (Input)$1.25/M
Pricing (Output)$2.50/M
CachingYes
Limits
Context Length1M
Max Output Tokens1M
Input Modalities
TextSupported
ImageSupported
PDFSupported
AudioNot supported
Output Modalities
TextSupported
ImageNot supported
AudioNot supported
Features
ReasoningSupported
ToolsSupported
TemperatureSupported