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xAI: Grok 4.20

xAI

xAI: Grok 4.20 by xAI costs $1.25 per 1M input tokens and $2.50 per 1M output tokens, with a 2M-token context window.

Pricing

Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$2.50
Cached input (per 1M)
$0.20

Specifications

Provider
xAI
Context window
2M tokens
Parameters
500B
Released
Feb 2026
Open weights
No
Frontier model
No

Compare xAI: Grok 4.20 with…

xAI: Grok 4.20 vs xAI: Grok Build 0.1$2.00/1MxAI: Grok 4.20 vs xAI: Grok 4.3$2.50/1MxAI: Grok 4.20 vs xAI: Grok 4.20 Multi-Agent$2.50/1MxAI: Grok 4.20 vs Grok 4.20 Multi-Agent$2.50/1MxAI: Grok 4.20 vs Grok 4.20 (Non-Reasoning)$2.50/1MxAI: Grok 4.20 vs Grok 4.3$2.50/1M

FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.