Grok 4.1 Fast (Non-reasoning) — benchmark results

Grok 4.1 Fast evaluated with reasoning disabled. Provider: xAI. Released 2025-11-19. Access: API.

Unified ELO 1560 ± 20, rank #590 of 1776 rated models, from 72 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
Gorilla API Bench (BFCL)58.29Overall Accuracy (%)89
UGI Leaderboard47.46UGI Score85.1
UGI - Writing41.88Writing Score79.6
UGI - Natural Intelligence31.39NatInt Score77.7
UGI - Willingness (W/10)6.5W/10 Score62.1
AA Omniscience - Software Engineering (SWE) - R16Accuracy (%)60.8
AA TAU-2 Bench63.74Accuracy (%)58.6
AA Omniscience - Software Engineering (SWE) - Java19Accuracy (%)58
AA Omniscience - Software Engineering (SWE) - Swift40Accuracy (%)56
Artificial Analysis Intelligence Index16.88Intelligence Index53
AA Omniscience - Law11.4Accuracy (%)52.6
AA Terminal-Bench Hard14.39Accuracy (%)51.3

Interactive version: theaggregate.ai/model?slug=grok-4-1-fast-non-reasoning · How the rankings work · Data refreshed daily, snapshot 2026-07-22.