#13
Grok 4.1 Fast
grok-4-1-fast-non-reasoning
0.0
Helpfulness
Instruction Following
Comprehension
Empathy
Creative Writing
Helpfulness
0.0
Instruction Following
0.0
Comprehension
0.0
Empathy
0.0
Creative Writing
0.0
Speed
Avg 78 tok/s
Release Date
November 17, 2025
Lab
xAI
Type
Proprietary
Context Size
2M
Max Output Tokens
8.2K
Cost per 1 million tokens
$0.20 / $0.50
Model Inputs*
Text, Images, Code, Web
Model Outputs*
Text
Tool Calling*
Enabled
Overall Assistant Score
An average score combining the 5 main categories.
85.92 pts
Rank #13
75th Percentile
0
Novice
33
Capable
66
Proficient
100
Expert
Grok 4.1 is xAI's flagship general-purpose model, designed to pair strong world knowledge with high-quality conversational and analytical capabilities. It performs very well on text quality, empathy, and creative writing benchmarks, landing near the top of public leaderboards while remaining responsive enough for everyday assistant use. The model excels at following complex instructions, reasoning over long contexts, and leveraging live web and tool integrations for up-to-date, grounded answers.

Intelligence

Overall Score; Higher is better

GPT 5.2
GLM 5
GPT 5
Grok 4.1 Fa…
Claude Opus…
Grok 4.1 Fa…
Kimi K2.5
ChatGPT 4o
Gemini 2.5 …
Claude Haik…

Speed

Output Tokens per Second; Higher is better

DeepSeek V3
ChatGPT 4o
GPT 4o
Grok 3 Mini
GPT 5.1
Grok 4.1 Fa…
GLM 4.5 Air
GPT 5.2
GLM 5
GPT 5

Price

USD per 1M Tokens; Lower is better

Gemini 2.0 …
Gemini 2.5 …
DeepSeek V3…
Llama 4 Sco…
Grok 4.1 Fa…
Grok 4.1 Fa…
Grok 4 Fast…
Grok 4 Fast
Llama 4 Mav…
Llama 3.3 7…

xai Models

Overall Score; Same provider comparison

Grok 4.1 Fa…
Grok 4.1 Fa…
Grok 4 Fast…
Grok 4 Fast
Grok 3
Grok 4
Grok 3 Mini

Grok Family

Overall Score; Same model family comparison

Grok 4.1 Fa…
Grok 4.1 Fa…
Grok 4 Fast…
Grok 4 Fast
Grok 3
Grok 4
Grok 3 Mini

Closest Rivals

Overall Score; Nearest by overall rank

GPT 5.2
GLM 5
GPT 5
Grok 4.1 Fa…
Claude Opus…
Grok 4.1 Fa…
Kimi K2.5
ChatGPT 4o
Gemini 2.5 …
Claude Haik…