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xAI: Grok 4.1

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grok-4-1

Grok 4.1 is xAI’s proprietary AI model, released Nov 17, 2025.

Context
—
Input
— / 1M
Output
— / 1M
Released
Nov 17, 2025
Modalities

Benchmarks

Scores on standardized evaluations. Higher is better — and rank shows where Grok 4.1 lands among all models tracked on Model Beat.

11.0
Intelligence Index
Epoch AI
11th percentile of tracked models
1.0
Coding Index
Epoch AI
1st percentile of tracked models
21.0
Agentic Index
Epoch AI
21st percentile of tracked models

Coding

1 evals
WebDev Arena1209

Human-rated web development

Agentic & Tools

1 evals
APEX12.8%

Multi-step agentic tasks

Compare Grok 4.1 with

Grok 4.1 vs GPT-5.6 SolGrok 4.1 vs Claude Fable 5Grok 4.1 vs Gemini 3.1 ProGrok 4.1 vs Muse SparkGrok 4.1 vs Grok 4.5

Frequently asked questions

What is Grok 4.1?

Grok 4.1 is a Grok-family AI model, from xAI, released Nov 17, 2025.

Who created Grok 4.1?

Grok 4.1 is an AI model developed by xAI, part of the Grok family, released Nov 17, 2025.

How does Grok 4.1 perform on benchmarks?

On standardized evaluations tracked by Epoch AI, Grok 4.1 scores 12.8% on APEX, 1209 on WebDev Arena.

Is Grok 4.1 open source?

Grok 4.1 is a proprietary model (API access), available through its provider's API rather than as a downloadable open-weight model.

Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Jul 30, 2026.