GPT-5.4-ProvsGrok 4.6

GPT-5.4-Pro
Grok 4.6
Benchmarks
Agentic coding
CursorBench v3.2
69.9%
Agentic coding
DeepSWE 1.1
65.9%
Agentic coding
FrontierCode v1.1 (Extended) · extended split
61.3%
Expert software engineering
APEX-SWE
56.4%
Agentic terminal coding
Terminal-Bench 3.0
26%
Expert agentic work
APEX-Agents
57.5%
Web browsing
BrowseComp
89.3%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
58.7%
Abstract reasoning
ARC-AGI-2
83.3%
Advanced math
FrontierMath · Tier 1–3
50%
Advanced math
FrontierMath · Tier 4
38%
Science
GPQA Diamond
94.4%
Agentic legal work
Harvey's Legal Agent Benchmark
15.8%
Overall intelligence
AA Intelligence Index
61
Knowledge work
GDPval-AA v2
1753
Knowledge work
AA-Briefcase
1577
Knowledge work
GDPval (win/tie rate)
82%
Overview
CompanyOpenAISpaceXAI
Release dateMar 5 2026Aug 12 2026
AccessProprietaryProprietary

Which is better: GPT-5.4-Pro or Grok 4.6?

GPT-5.4-Pro and Grok 4.6 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-5.4-Pro shipped 160 days before Grok 4.6, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — GPT-5.4-Pro and Grok 4.6 don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-5.4-Pro was released by OpenAI on Mar 5 2026.

Grok 4.6 was released by SpaceXAI on Aug 12 2026.

Other comparisons