Grok 4.1 Fast

Updated Sep 11, 2026

grok2.0M context2.0M max outputreleased Nov 19, 2025ReasoningTool calling

Cheapest input

$0.2

Cheapest output

$0.5

Official

—

output per 1M tokens

Providers

2

offering this model

Spread

—

max / min output

Offers

Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.

Provider	1M input	1M output	1M cache read	1M cache write	Context
Ofox	Cheapest$0.2	Cheapest$0.5	$0.05	—	2.0M

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