grok-4.20-beta-latest-reasoning

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  1. Standard price history

xAI model grok-4.20-beta-latest-reasoning. Prices are in US dollars per million tokens. Current price, since 2026-03-12: input $2.00, output $6.00, cached input $0.20. xAI's pricing page does not list this model under this id. Price a request with this model.

Standard price history#

FromInputCached inputCache writeOutputLonger promptsDated bySource
2026-03-12, first record$2.00$0.20$6.00above 200K: in $4.00, cached $0.40, out $12.00models.dev commitlink

A blank cache price is charged at the input price. Longer prompts list the prices for requests whose whole prompt exceeds the size given.

import model_prices

model_prices.rates("grok-4.20-beta-latest-reasoning", provider="xai")