Grok 4.20 Reasoning is xAI's latest flagship model with extended reasoning capabilities, supporting text and image inputs with a 2M context window. It combines deep thinking with function calling and structured output for complex, multi-step problem solving. Ideal for tasks requiring careful deliberation and analysis.
Try NowComplex reasoning with xai flagship
Deep thinking with multimodal input
Reasoning-heavy tasks with large context
2,000,000 tokens
256,000 tokens
$2
$6
$0.20
$5
$5
$20