# GPT-5 Pro vs Grok 4.1

> GPT-5 Pro is the stronger model overall, scoring 46.4 to 41.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-pro-vs-grok-4-1
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 39.5.

## Snapshot

| | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 46.4 | 41.5 |
| Rank | 64 | 134 |
| Context | 400K | — |
| Input $/M | $15 | — |
| Output $/M | $120 | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5 Pro: 44.0 (#80)
- Grok 4.1: 33.7 (#253)

| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena WebDev | — | 1214 |
| WeirdML | 60.4% | — |
| LMArena Coding | — | 1445 |
| AlgoTune | 1.31 | — |

## Agentic & Tool Use

- GPT-5 Pro: —
- Grok 4.1: 34.1 (#49)

| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |

## Reasoning

- GPT-5 Pro: 38.9 (#62)
- Grok 4.1: 29.5 (#91)

| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| ARC-AGI-1 | 70.2% | — |
| EnigmaEval | 18.8% | — |
| LMArena Hard Prompts | — | 1435 |
| Epoch Capabilities Index | 150.28 | — |

## Math

- GPT-5 Pro: 48.5 (#63)
- Grok 4.1: 38.9 (#120)

| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| LMArena Math | — | 1422 |
| FrontierMath Tier 4 (v1) | 14.6% | — |

## Knowledge

- GPT-5 Pro: 56.7 (#42)
- Grok 4.1: 39.5 (#133)

| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| LMArena Expert | — | 1417 |

## Multilingual

- GPT-5 Pro: —
- Grok 4.1: 53.4 (#68)

| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena Non-English | — | 1425 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1448 |
| LMArena German | — | 1446 |
| LMArena Japanese | — | 1397 |
| LMArena Korean | — | 1407 |
| LMArena Russian | — | 1434 |
| LMArena Spanish | — | 1438 |

## Instruction Following

- GPT-5 Pro: —
- Grok 4.1: 73.8 (#111)

| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | — | 1400 |

## Long Context

- GPT-5 Pro: —
- Grok 4.1: 43.2 (#100)

| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | — | 1416 |

## Writing & Preference

- GPT-5 Pro: —
- Grok 4.1: 62.4 (#75)

| Benchmark | GPT-5 Pro | Grok 4.1 |
|---|---|---|
| LMArena Text | — | 1437 |
| LMArena Creative Writing | — | 1411 |
| LMArena Multi-Turn | — | 1437 |

## FAQ

### Is GPT-5 Pro better than Grok 4.1?

GPT-5 Pro is the stronger model overall, scoring 46.4 to 41.5 on the Noometry Index.

### Is GPT-5 Pro or Grok 4.1 better for coding?

GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 33.7 in the Noometry coding category.

### How many benchmarks do GPT-5 Pro and Grok 4.1 share?

0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Grok 4.1 has 19.