Compare · ModelsLive · 2 picked · head to head
GPT-5 vs Grok 4
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5 wins on 19/25 benchmarks
GPT-5 wins 19 of 25 shared benchmarks. Leads in coding · agentic · knowledge.
Category leads
coding·GPT-5agentic·GPT-5reasoning·Grok 4knowledge·GPT-5math·GPT-5general·GPT-5language·Grok 4
Hype vs Reality
Attention vs performance
GPT-5
#116 by perf·#9 by attention
Grok 4
#99 by perf·#14 by attention
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
xAI
$250.0B·Tier 1
Head to head
25 benchmarks · 2 models
GPT-5Grok 4
Aider polyglot
GPT-5 leads by +8.4
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
GPT-5
88.0
Grok 4
79.6
APEX-Agents
GPT-5 leads by +3.1
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
GPT-5
18.3
Grok 4
15.2
ARC-AGI
Grok 4 leads by +1.0
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
GPT-5
65.7
Grok 4
66.7
ARC-AGI-2
Grok 4 leads by +6.1
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
GPT-5
9.9
Grok 4
16.0
Balrog
Grok 4 leads by +10.8
Balrog · benchmarks AI agents on text-based adventure games, testing language understanding, strategic planning, and long-horizon reasoning.
GPT-5
32.8
Grok 4
43.6
Chess Puzzles
GPT-5 leads by +9.0
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GPT-5
37.0
Grok 4
28.0
DeepResearch Bench
GPT-5 leads by +7.8
DeepResearch Bench · evaluates AI on complex multi-step research tasks requiring information gathering, synthesis, and producing comprehensive analyses.
GPT-5
55.1
Grok 4
47.3
Fiction.LiveBench
GPT-5 leads by +2.8
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
GPT-5
97.2
Grok 4
94.4
FrontierMath-2025-02-28-Private
GPT-5 leads by +12.7
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
GPT-5
32.4
Grok 4
19.7
FrontierMath-Tier-4-2025-07-01-Private
GPT-5 leads by +10.4
FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning.
GPT-5
12.5
Grok 4
2.1
Gdpval
GPT-5 leads by +13.7
GPT-5
34.8
Grok 4
21.1
GeoBench
GPT-5 leads by +36.0
GeoBench · tests geographic knowledge and spatial reasoning across countries, landmarks, coordinates, and geopolitical understanding.
GPT-5
81.0
Grok 4
45.0
GPQA diamond
Grok 4 leads by +1.2
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GPT-5
85.0
Grok 4
86.1
HELM · GPQA
GPT-5 leads by +6.5
GPT-5
79.1
Grok 4
72.6
HELM · IFEval
Grok 4 leads by +7.4
GPT-5
87.5
Grok 4
94.9
HELM · MMLU-Pro
GPT-5 leads by +1.2
GPT-5
86.3
Grok 4
85.1
HELM · Omni-MATH
GPT-5 leads by +4.4
GPT-5
64.7
Grok 4
60.3
HELM · WildBench
GPT-5 leads by +6.0
GPT-5
85.7
Grok 4
79.7
Lech Mazur Writing
GPT-5 leads by +5.3
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
GPT-5
86.0
Grok 4
80.7
Metr Time Horizons
GPT-5 leads by +3.0
GPT-5
69.6
Grok 4
66.6
OTIS Mock AIME 2024-2025
GPT-5 leads by +7.4
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GPT-5
91.4
Grok 4
84.0
SimpleBench
Grok 4 leads by +4.6
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
GPT-5
48.0
Grok 4
52.6
SimpleQA Verified
GPT-5 leads by +2.7
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
GPT-5
50.6
Grok 4
47.9
Terminal Bench
GPT-5 leads by +22.4
Terminal-Bench 2.0 · evaluates AI agents on real terminal-based coding tasks · writing scripts, debugging, running tests, and managing projects entirely through command-line interaction. Tests both code quality and terminal fluency.
GPT-5
49.6
Grok 4
27.2
WeirdML
GPT-5 leads by +15.0
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
GPT-5
60.7
Grok 4
45.7
Full benchmark table
| Benchmark | GPT-5 | Grok 4 |
|---|---|---|
Aider polyglot Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework. | 88.0 | 79.6 |
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 18.3 | 15.2 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 65.7 | 66.7 |
ARC-AGI-2 ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data. | 9.9 | 16.0 |
Balrog Balrog · benchmarks AI agents on text-based adventure games, testing language understanding, strategic planning, and long-horizon reasoning. | 32.8 | 43.6 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 37.0 | 28.0 |
DeepResearch Bench DeepResearch Bench · evaluates AI on complex multi-step research tasks requiring information gathering, synthesis, and producing comprehensive analyses. | 55.1 | 47.3 |
Fiction.LiveBench Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination. | 97.2 | 94.4 |
FrontierMath-2025-02-28-Private FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning. | 32.4 | 19.7 |
FrontierMath-Tier-4-2025-07-01-Private FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning. | 12.5 | 2.1 |
Gdpval | 34.8 | 21.1 |
GeoBench GeoBench · tests geographic knowledge and spatial reasoning across countries, landmarks, coordinates, and geopolitical understanding. | 81.0 | 45.0 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 85.0 | 86.1 |
HELM · GPQA | 79.1 | 72.6 |
HELM · IFEval | 87.5 | 94.9 |
HELM · MMLU-Pro | 86.3 | 85.1 |
HELM · Omni-MATH | 64.7 | 60.3 |
HELM · WildBench | 85.7 | 79.7 |
Lech Mazur Writing Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication. | 86.0 | 80.7 |
Metr Time Horizons | 69.6 | 66.6 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 91.4 | 84.0 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 48.0 | 52.6 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 50.6 | 47.9 |
Terminal Bench Terminal-Bench 2.0 · evaluates AI agents on real terminal-based coding tasks · writing scripts, debugging, running tests, and managing projects entirely through command-line interaction. Tests both code quality and terminal fluency. | 49.6 | 27.2 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 60.7 | 45.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens