Grok 4.20 Beta

Text Generation
xAI · grok-4-20-beta
reasoning

Beta testing phase. Available on X platform.

Context Window

256,000

tokens

Max Output

-

tokens

Input Pricing

-

per million tokens

Output Pricing

-

per million tokens

Core Capabilities

Vision Support
Function Calling
Streaming

No benchmark scores available

Released: February 17, 2026