Updated Jun 7, 2026

xAI: Grok 4.20

Name: LLM API Pricing
Creator: llmprice.fyi
License: https://creativecommons.org/licenses/by/4.0/

xAI: Grok 4.20 by x-ai — API pricing: input $1.2500/1M tokens, output $2.5000/1M tokens. Context window: 2,000,000 tokens.

Provider: x-ai
Input price: $1.2500 per 1M tokens
Output price: $2.5000 per 1M tokens
Context window: 2,000,000 tokens

Compare xAI: Grok 4.20 pricing against other models from x-ai and across 50+ AI providers including OpenAI, Anthropic, Google, Meta, and DeepSeek. Use the cost calculator to estimate your API spend.