# GPT-5.2 Pro vs Grok-2 (Dec 2024)

> GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 33.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-2-pro-vs-grok-2
- Last updated: 2026-10-11
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. GPT-5.2 Pro scores higher in 2 categories and Grok-2 (Dec 2024) in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.2 Pro leads 65.3 to 20.8.
- The biggest single-benchmark swing is SimpleBench: 57.4% for GPT-5.2 Pro and 22.7% for Grok-2 (Dec 2024).

## Snapshot

| | GPT-5.2 Pro | Grok-2 (Dec 2024) |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 52.3 | 33.7 |
| Rank | 39 | 239 |
| Context | 400K | — |
| Input $/M | $21 | — |
| Output $/M | $168 | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5.2 Pro: —
- Grok-2 (Dec 2024): 33.3 (#258)

| Benchmark | GPT-5.2 Pro | Grok-2 (Dec 2024) |
|---|---|---|
| WeirdML | — | 22.2% |
| LiveBench Coding | — | 46.4% |
| LMArena Coding | — | 1287 |

## Reasoning

- GPT-5.2 Pro: 51.5 (#33)
- Grok-2 (Dec 2024): 16.9 (#299)

| Benchmark | GPT-5.2 Pro | Grok-2 (Dec 2024) |
|---|---|---|
| SimpleBench | 57.4% | 22.7% |
| Epoch Capabilities Index | 155.4 | 130.48 |
| ARC-AGI-2 | 54.2% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| LiveBench Reasoning | — | 54.8% |
| LMArena Hard Prompts | — | 1272 |
| DTBench | — | 65.2% |
| LiveBench Data Analysis | — | 54.5% |
| LiveBench | — | 54.3% |

## Math

- GPT-5.2 Pro: 65.3 (#29)
- Grok-2 (Dec 2024): 20.8 (#284)

| Benchmark | GPT-5.2 Pro | Grok-2 (Dec 2024) |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| OTIS Mock AIME 2024-2025 | — | 11.5% |
| LiveBench Math | — | 54.9% |
| LMArena Math | — | 1283 |
| MATH Level 5 | — | 63.5% |
| FrontierMath (Feb 2025 set) | — | 0.7% |
| FrontierMath Tier 4 (v1) | 31.3% | — |

## Knowledge

- GPT-5.2 Pro: —
- Grok-2 (Dec 2024): 29.8 (#233)

| Benchmark | GPT-5.2 Pro | Grok-2 (Dec 2024) |
|---|---|---|
| GPQA Diamond | — | 53.8% |
| Confabulations | — | 20.1% |
| LMArena Expert | — | 1254 |

## Multilingual

- GPT-5.2 Pro: —
- Grok-2 (Dec 2024): 43.1 (#188)

| Benchmark | GPT-5.2 Pro | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | — | 1282 |
| LMArena Chinese | — | 1289 |
| LMArena French | — | 1318 |
| LMArena German | — | 1287 |
| LMArena Japanese | — | 1244 |
| LMArena Korean | — | 1237 |
| LMArena Russian | — | 1286 |
| LMArena Spanish | — | 1281 |

## Instruction Following

- GPT-5.2 Pro: —
- Grok-2 (Dec 2024): 66.9 (#202)

| Benchmark | GPT-5.2 Pro | Grok-2 (Dec 2024) |
|---|---|---|
| LiveBench Instruction Following | — | 69.6% |
| LMArena Instruction Following | — | 1270 |

## Long Context

- GPT-5.2 Pro: —
- Grok-2 (Dec 2024): 38.8 (#190)

| Benchmark | GPT-5.2 Pro | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | — | 1276 |

## Writing & Preference

- GPT-5.2 Pro: —
- Grok-2 (Dec 2024): 48.6 (#198)

| Benchmark | GPT-5.2 Pro | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | — | 1305 |
| LMArena Creative Writing | — | 1284 |
| Short-Story Creative Writing | — | 63.6% |
| LMArena Multi-Turn | — | 1290 |
| LiveBench Language | — | 45.6% |

## FAQ

### Is GPT-5.2 Pro better than Grok-2 (Dec 2024)?

GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 33.7 on the Noometry Index.

### How many benchmarks do GPT-5.2 Pro and Grok-2 (Dec 2024) share?

2 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Grok-2 (Dec 2024) has 34.