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Grok 4.1 Fast (Reasoning)

byxAI

Input Price$0.20/1M tokens
Output Price$0.50/1M tokens
Intelligence38.6
Coding30.9

Specifications

Technical details and pricing.

ProviderxAI
Context WindowN/A
Release DateNov 19, 2025
ModalitiesText

Benchmarks

10 benchmark scores from Artificial Analysis.

GPQA85.3%
MMLU Pro85.4%
HLE17.6%
LiveCodeBench82.2%
AIME 202589.3%
SciCode44.2%
LCR68.0%
IFBench52.7%
Tau293.3%
TerminalBench Hard24.2%

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Frequently Asked Questions

What is Grok 4.1 Fast (Reasoning) good for?

Grok 4.1 Fast (Reasoning) currently has benchmark and pricing data on this page. OpenRouter runtime metadata will appear later when the provider listing becomes available.

How much does Grok 4.1 Fast (Reasoning) cost?

Pricing is based on usage. Current rates are $0.20/1M tokens for input and $0.50/1M tokens for output.

Is Grok 4.1 Fast (Reasoning) available on OpenRouter yet?

Not yet on this page. We will add chat and inference actions automatically once an exact OpenRouter listing exists for Grok 4.1 Fast (Reasoning).

Does Grok 4.1 Fast (Reasoning) support images or audio?

Grok 4.1 Fast (Reasoning) focuses on text-based tasks.

Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.

Customer Support