AIPriceWatch

Grok 4.20 pricing

Text model by xAI. Sold by 2 providers.

Prices

API prices in USD, cheapest seller first. Highlighted: lowest for that line.
Sold byPrice linePriceSource
OpenRouterresellerper 1M input tokens$1.25Source verified
per 1M cached input tokens$0.20
per 1M output tokens$2.50
per 1M input tokensprompts over 200K tokens$2.50
per 1M cached input tokensprompts over 200K tokens$0.40
per 1M output tokensprompts over 200K tokens$5.00
xAIper 1M input tokens$1.25Source verified
per 1M cached input tokens$0.20
per 1M output tokens$2.50
per 1M input tokensprompts over 200K tokens$2.50
per 1M cached input tokensprompts over 200K tokens$0.40
per 1M output tokensprompts over 200K tokens$5.00
Price a job with Grok 4.20

Limits

Context window
2M tokens
Max output
1.8M tokens
Released
31 Mar 2026
Open weights
No

Sources

Price history

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Updated