xAI · reasoning
Grok 4 1 Fast Reasoning is a reasoning model associated with xAI. xAI is the creator route for Grok 4 1 Fast Reasoning. Compare that official price with router and host pages before you lock a gateway into production, because the same model name can be billed differently once another company serves it. A context window is not stored for Grok 4 1 Fast Reasoning. Grok 4 1 Fast Reasoning does not have vision, tool use, reasoning, or web access flags turned on in this record. Speed tier: fast. Stored use cases: General.
Grok 4 1 Fast Reasoning is listed at $0.20 per million input tokens and $0.50 per million output tokens (USD). That quote is the recorded API rate for this page's provider route, not a subscription seat and not a blended monthly bill. A short prompt and a long agent trace will not cost the same amount even when the sticker price stays put.
No separate access-point rows are stored beyond the xAI route in the slug. Search the model directory or the API price board before you assume a second host.
How to use this Grok 4 1 Fast Reasoning page: read the price as a per-million-token quote, then open the API price directory if you need other providers for the same family. Open a related model page when you are choosing between sizes or between the creator API and a router. Open the product page when the practical question is a consumer subscription (seat, credits, or included models) rather than metered API spend. Status on this record is available.
No separate access-point rows are stored for Grok 4 1 Fast Reasoning. The recorded route is xAI.
Grok 4 1 Fast Reasoning via xAI is listed at $0.20 input and $0.50 output per million tokens. Multiply those rates by your own token volume. Deepapi does not convert them into a monthly subscription on this page.
Grok 4 1 Fast Reasoning is filed under xAI. A dedicated access-point table is empty for this id, so confirm the live console on xAI before you call the model in production.
Grok 4 1 Fast Reasoning is a reasoning model from xAI. Vision is not marked supported. Tool use is not marked supported. Reasoning is not marked supported. Context window is not stored. Compare sibling model pages before you pick a larger or smaller variant.