---
title: "Grok 4.1 Fast Reasoning Benchmarks - RankedAGI"
description: "Detailed benchmark and metadata record for Grok 4.1 Fast Reasoning."
source: "https://rankedagi.com/models/grok-4-1-fast-reasoning"
---

# Grok 4.1 Fast Reasoning

| Field | Value |
| --- | --- |
| Organization | xAI |
| License | Proprietary |
| Type | Thinking |
| Version | Latest |
| Released | 2025-11-19 |
| Context window | 2M |
| Input cost per million tokens | $0.2 |
| Output cost per million tokens | $0.5 |
| Cached input cost per million tokens | $0.05 |
| Last updated | 2026-05-04T02:05:25.949Z |

## Benchmarks

| Benchmark | Category | Value | Description | Source |
| --- | --- | --- | --- | --- |
| RankedAGI Coding | coding | 57.6% | RankedAGI Coding Score |  |
| RankedAGI Agentic | Agents | 46.2% | RankedAGI Agentic Score |  |
| Code Arena | coding | 1234 | Code Arena Elo Score | https://arena.ai/leaderboard/code |
| LiveCodeBench v6 | coding | 82.0% | LiveCodeBench v6 - Evaluation of Large Language Models for Code |  |
| RankedAGI Reasoning | reasoning | 55.0% | RankedAGI Reasoning Score |  |
| Humanity's Last Exam | reasoning | 18.0% | Multidisciplinary Reasoning (no tools) |  |
| GPQA Diamond | reasoning | 85.0% | Generalized Prefix Question Answering Score (Reasoning) PhD Level Reasoning |  |
| Text Arena | general | 1432 | ChatArena (LMSYS) ELO Score | https://arena.ai/leaderboard/text |
| AIME 2025 | math | 89.0% | AIME 2025 Competition Math |  |
| Vending Bench 2 | Agents | $1,106.63 | Benchmark for measuring AI model performance on running a business over long time horizons. Models are tasked with running a simulated vending machine business over a year and scored on their bank account balance at the end. | https://andonlabs.com/evals/vending-bench-2 |
| Instruction Following Evaluation | instruction-following | 53.0% | Instruction Following Evaluation |  |
| MMMU-Pro | imaging | 53.0% | Multimodal Understanding |  |
| RankedAGI Math | math | 71.6% | RankedAGI Math Score |  |
| RankedAGI Overall | general | 53.6% | Overall RankedAGI score |  |
| 𝜏²-Bench Telecom | Agents | 93.3% | Agentic Tool Use |  |
| Code DesignArena | Design | 1138 |  | https://www.designarena.ai/leaderboard/code |

## Model Links

| Title | URL |
| --- | --- |
| Release | https://x.ai/news/grok-4-1-fast |