Static model pricing page

Grok 4.1 Fast official vs aggregator pricing

This is a static, indexable page for Grok 4.1 Fast, summarizing its public pricing across official APIs and aggregator routes, including blended cost ranges, input spread, and source composition.

3 sources1 official2 aggregator2.0M context

Why this page is worth reading

Grok 4.1 Fast currently resolves to 3 sources. The cheapest blended route is $1.7/M on FastRouter, about 92% lower than the highest priced route. It includes both official and aggregator routes.

The cheapest official baseline currently comes from xAI at $20/M.

Freshness and provenance

Bundle generated at 2026-05-11T07:52:52Z. Related crawl timestamps currently span 2026-05-11T06:05:41.752Z to 2026-05-11T06:50:43.648Z. The current page includes 1 official sources and 2 aggregator or reseller sources.

No extra pricing caveats are attached to this page right now.

Cheapest blended
$1.7
FastRouter
Blended spread
92%
$1.7 to $20
Input spread
90%
$0.2 to $2
Context window
2.0M
3 sources
Source / route Input Output Blended Context Notes
FastRouter x-ai/grok-4.1-fast Aggregator / reseller
$0.2 $0.5 $1.7 2.0M No extra caveat
OpenRouter x-ai/grok-4.1-fast Aggregator / reseller
$0.2 $0.5 $1.7 2.0M No extra caveat
xAI x-ai/grok-4.1-fast Official
$2 $6 $20 131k No extra caveat

Related models

Grok 4 Fast

Grok 4 Fast currently resolves to 4 sources. The cheapest blended route is $1.7/M on LLM Gateway, about 94% lower than the highest priced route. It includes both official and aggregator routes.

Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent currently resolves to 3 sources. The cheapest blended route is $8.75/M on Vercel AI Gateway, about 89% lower than the highest priced route. It includes both official and aggregator routes.

Grok 4.20

Grok 4.20 currently resolves to 2 sources. The cheapest blended route is $8.75/M on OpenRouter, about 89% lower than the highest priced route. It includes both official and aggregator routes.

Grok 3 Mini

Grok 3 Mini currently resolves to 5 sources. The cheapest blended route is $1.8/M on OpenRouter, about 86% lower than the highest priced route. It includes both official and aggregator routes.

Grok 3

Grok 3 currently resolves to 6 sources. The cheapest blended route is $48/M on LLM Gateway, about 40% lower than the highest priced route. It includes both official and aggregator routes.

Grok 4

Grok 4 currently resolves to 6 sources. The cheapest blended route is $48/M on FastRouter, about 40% lower than the highest priced route. It includes both official and aggregator routes.