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Base model

Grok 4.1 Fast (Reasoning)

from $0.19 at 11 providers

xai/grok-4.1-fast-reasoning · 11 providers · Text models ·

Read also: Grok API pricing: Grok 4.7, Grok 4.3 and Grok 4.1 Fast at every provider

All xAI Grok models at every provider

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The same as an API for bots (format=json|csv|yaml, limit, offset):

https://airatecard.com/export?format=json&model=xai%2Fgrok-4.1-fast-reasoning

API parameters and a form

ModelVariantIconProviderInput, $Output, $Your cost/mo, $Subscription, $/moRegionContextMax outputAcceptsLast checkedRecommendActions
= Grok 4.1 Fast (Reasoning)×
Provider
Pricing
Region
Input
Status
grok-4-1-fast-reasoningGrok 4.1 Fast (Reasoning)jiekou ↗$0.19$0.47—2M2Mmulti: image, text4 Nov
12:00
grok-4-1-fast-reasoningGrok 4.1 Fast (Reasoning)302ai ↗$0.20$0.50—2M30Kmulti: image, text4 Nov
12:26
Grok 4.1 Fast (reasoning)Grok 4.1 Fast (Reasoning)aihubmix ↗$0.20$0.50—1M30Kmulti: image, text4 Nov
12:00
Grok 4.1 Fast (Reasoning)Grok 4.1 Fast (Reasoning)azure ↗$0.20$0.50—128K8Kmulti: image, text4 Nov
12:26
Grok 4.1 Fast (Reasoning)Grok 4.1 Fast (Reasoning)via xAI edenai ↗$0.20$0.50—US2M30Kmulti: audio, image, text4 Nov
12:00
Grok 4.1 Fast (Reasoning)Grok 4.1 Fast (Reasoning)google-vertex ↗$0.20$0.50—2M30Ktext, image/jpeg, image/png4 Nov
12:00
xAI Grok 4.1 Fast ReasoningGrok 4.1 Fast (Reasoning)helicone ↗$0.20$0.50—2M2Mmulti: image, text4 Nov
12:00
Grok 4.1 Fast (Reasoning)Grok 4.1 Fast (Reasoning)via xAIrequesty ↗$0.20$0.50—2M—multi: image, text4 Nov
12:00
Grok 4.1 Fast ReasoningGrok 4.1 Fast (Reasoning)vercel ↗$0.20$0.50—1M1Mmulti: image, pdf, text4 Nov
12:26
not confirmed lately
Grok 4.1 Fast (Reasoning)Grok 4.1 Fast (Reasoning)via Microsoft Azure AI Foundrytrustedrouter ↗$0.21$0.53—2M30Ktext, image/jpeg, image/png4 Nov
12:00
Grok 4.1 Fast (Reasoning)Grok 4.1 Fast (Reasoning)aiml ↗$1.25$2.50—2M30Ktext, image/jpeg, image/png4 Nov
12:00

Ranges in one field: "from-to" - "0.5-3", "-3" (up to), "128k-" (from); a colon works too. Several ticked values of one column are ORed, columns are ANDed.

Input price history, $/1M

Input price history, $/1Mminimummedian$0.20$0.182026-09-182026-11-04$0.19$0.20

Latest: minimum $0.19, median $0.20 (Nov 4, 2026)

The GROK family - base models: 61
About the model: cost of your workload, questions, comparisons, citation

Cost of my workload → in the Tools tab: every provider of this model, cheapest first

Frequently asked questions

How much does Grok 4.1 Fast (Reasoning) API cost?

From $0.19 input and $0.47 output per 1M tokens, at jiekou.

Which provider offers Grok 4.1 Fast (Reasoning) cheapest?

jiekou offers the lowest price, $0.19 per 1M tokens, among 11 providers.

What is the context window of Grok 4.1 Fast (Reasoning)?

2M tokens.

Where is Grok 4.1 Fast (Reasoning) available?

Available in: US.

Compare

vs Claude Opus 4.5 (latest) vs Qwen3-Coder 480B-A35B Instruct vs Claude Fable 5

Source: AI Rate Card, https://airatecard.com/en/model/xai/grok-4.1-fast-reasoning, prices checked 2026-11-04