grok-4.20-beta-0309-reasoning
by xAI — Price updated 2026-04-04
Pricing ($/1M tokens)
Input
$2.00
Output
$6.00
Cache Read
$0.20
Specifications
Context Window
2,000,000
Max Output
2,000,000
Input
text
Output
text
Tool Calling
Reasoning
About This Model
It supports a context window of 2.0M tokens with up to 2.0M output tokens.
Key capabilities include tool calling, extended reasoning.
With input pricing at $2.00/1M tokens, it sits in the mid-range of available models.
xAI offers 62 models in total, spanning different price points and capability levels.