# GPT-4 vs Grok 3

> Grok 3 is the stronger model overall, scoring 39.6 to 28.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-4-vs-grok-3
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. GPT-4 scores higher in 1 category and Grok 3 in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 3 leads 46.0 to 18.4.
- The biggest single-benchmark swing is MATH Level 5: 23% for GPT-4 and 88.7% for Grok 3.

## Snapshot

| | GPT-4 | Grok 3 |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 28.9 | 39.6 |
| Rank | 308 | 150 |
| Context | 8K | — |
| Input $/M | $30 | — |
| Output $/M | $60 | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-4: 31.2 (#277)
- Grok 3: 41.5 (#113)

| Benchmark | GPT-4 | Grok 3 |
|---|---|---|
| WeirdML | 12.4% | 37.2% |
| LMArena Coding | 1254 | 1432 |
| Aider Polyglot | — | 53.3% |
| BigCodeBench Instruct | 46% | — |
| BigCodeBench Complete | 57.2% | — |
| HumanEval+ | 79.3% | — |

## Agentic & Tool Use

- GPT-4: —
- Grok 3: 30.2 (#69)

| Benchmark | GPT-4 | Grok 3 |
|---|---|---|
| BALROG | — | 29.5% |
| METR Time Horizons | 36.1% | — |

## Reasoning

- GPT-4: 17.3 (#285)
- Grok 3: 13.8 (#322)

| Benchmark | GPT-4 | Grok 3 |
|---|---|---|
| LMArena Hard Prompts | 1241 | 1433 |
| Epoch Capabilities Index | 125.88 | 138.34 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | — | 36.1% |
| Kagi LLM Benchmark | — | 61.3% |
| ARC-AGI-1 | — | 5.5% |
| Chess Puzzles | 4% | — |
| Mystery Game Puzzles | 12% | — |
| DTBench | 62.7% | — |
| LMCA | 17.1% | — |
| BIG-Bench Hard | 75.1% | — |
| ForecastBench | 57.8 | — |
| HellaSwag | 95.3% | — |
| WinoGrande | 87.5% | — |

## Math

- GPT-4: 10.1 (#304)
- Grok 3: 36.2 (#122)

| Benchmark | GPT-4 | Grok 3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | 55.6% |
| LMArena Math | 1269 | 1390 |
| MATH Level 5 | 23% | 88.7% |
| Omni-MATH | — | 46.4% |
| FrontierMath (Feb 2025 set) | — | 3.8% |
| FrontierMath Tier 4 (v1) | — | 0% |
| GSM8K | 92% | — |

## Knowledge

- GPT-4: 18.4 (#277)
- Grok 3: 46.0 (#76)

| Benchmark | GPT-4 | Grok 3 |
|---|---|---|
| GPQA Diamond | 35.7% | 75.8% |
| LMArena Expert | 1211 | 1420 |
| MMLU-Pro | — | 78.8% |
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 5.8% |
| GPQA (HELM) | — | 65% |
| MMLU | 86.4% | — |
| TriviaQA | 84.8% | — |

## Multilingual

- GPT-4: 40.8 (#210)
- Grok 3: 52.5 (#81)

| Benchmark | GPT-4 | Grok 3 |
|---|---|---|
| LMArena Non-English | 1246 | 1411 |
| LMArena Chinese | 1242 | 1448 |
| LMArena French | 1282 | 1460 |
| LMArena German | 1251 | 1431 |
| LMArena Japanese | 1209 | 1389 |
| LMArena Korean | 1184 | 1374 |
| LMArena Russian | 1251 | 1416 |
| LMArena Spanish | 1261 | 1417 |

## Instruction Following

- GPT-4: 65.5 (#217)
- Grok 3: 75.2 (#69)

| Benchmark | GPT-4 | Grok 3 |
|---|---|---|
| LMArena Instruction Following | 1241 | 1409 |
| IFEval | — | 88.4% |

## Long Context

- GPT-4: 37.7 (#207)
- Grok 3: 38.7 (#187)

| Benchmark | GPT-4 | Grok 3 |
|---|---|---|
| LMArena Longer Query | 1244 | 1439 |
| Fiction.LiveBench | — | 58.3% |

## Writing & Preference

- GPT-4: 35.0 (#263)
- Grok 3: 56.0 (#136)

| Benchmark | GPT-4 | Grok 3 |
|---|---|---|
| LMArena Text | 1263 | 1426 |
| LMArena Creative Writing | 1244 | 1414 |
| EQ-Bench Creative Writing | 752 | 1186 |
| LMArena Multi-Turn | 1257 | 1424 |
| Short-Story Creative Writing | — | 76.4% |
| WildBench | — | 84.9% |

## FAQ

### Is GPT-4 better than Grok 3?

Grok 3 is the stronger model overall, scoring 39.6 to 28.9 on the Noometry Index.

### Is GPT-4 or Grok 3 better for coding?

Grok 3 scores higher on coding benchmarks: 41.5 versus 31.2 in the Noometry coding category.

### How many benchmarks do GPT-4 and Grok 3 share?

23 benchmarks have published results for both models. GPT-4 has 38 scored results on Noometry and Grok 3 has 40.