# GPT-4o mini vs Grok-2 (Dec 2024)

> Grok-2 (Dec 2024) is the stronger model overall, scoring 33.7 to 25.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-4o-mini-vs-grok-2
- Last updated: 2026-10-10
- Shared benchmarks: 33

## Summary

- They share 33 benchmarks with published results for both. GPT-4o mini scores higher in 1 category and Grok-2 (Dec 2024) in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok-2 (Dec 2024) leads 29.8 to 17.7.
- The biggest single-benchmark swing is LiveBench Reasoning: 32.8% for GPT-4o mini and 54.8% for Grok-2 (Dec 2024).

## Snapshot

| | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 25.5 | 33.7 |
| Rank | 343 | 239 |
| Context | 128K | — |
| Input $/M | $0.15 | — |
| Output $/M | $0.60 | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-4o mini: 22.0 (#335)
- Grok-2 (Dec 2024): 33.3 (#258)

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| WeirdML | 11.8% | 22.2% |
| LiveBench Coding | 43.1% | 46.4% |
| LMArena Coding | 1290 | 1287 |
| Aider Polyglot | 3.6% | — |
| BigCodeBench Instruct | 46.1% | — |
| BigCodeBench Complete | 57.4% | — |
| HumanEval+ | 83.5% | — |
| MBPP+ | 72.2% | — |

## Agentic & Tool Use

- GPT-4o mini: 27.5 (#101)
- Grok-2 (Dec 2024): —

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| BALROG | 17.4% | — |

## Reasoning

- GPT-4o mini: 8.7 (#347)
- Grok-2 (Dec 2024): 16.9 (#299)

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| SimpleBench | 10.7% | 22.7% |
| LiveBench Reasoning | 32.8% | 54.8% |
| LMArena Hard Prompts | 1267 | 1272 |
| DTBench | 54.4% | 65.2% |
| LiveBench Data Analysis | 50% | 54.5% |
| Epoch Capabilities Index | 126.56 | 130.48 |
| LiveBench | 41.3% | 54.3% |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 28.8% | — |
| Chess Puzzles | 0% | — |
| Mystery Game Puzzles | 12% | — |
| LMCA | 10.4% | — |
| PIQA | 88.7% | — |

## Math

- GPT-4o mini: 10.4 (#314)
- Grok-2 (Dec 2024): 20.8 (#284)

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 6.9% | 11.5% |
| LiveBench Math | 36.3% | 54.9% |
| LMArena Math | 1267 | 1283 |
| MATH Level 5 | 52.6% | 63.5% |
| FrontierMath (Tiers 1-3) | 0.7% | — |
| Omni-MATH | 28% | — |
| FrontierMath (Feb 2025 set) | — | 0.7% |
| GSM8K | 91.3% | — |

## Knowledge

- GPT-4o mini: 17.7 (#284)
- Grok-2 (Dec 2024): 29.8 (#233)

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| GPQA Diamond | 37.7% | 53.8% |
| Confabulations | 37.2% | 20.1% |
| LMArena Expert | 1235 | 1254 |
| SimpleQA Verified | 8.3% | — |
| MMLU-Pro | 60.3% | — |
| GPQA (HELM) | 36.8% | — |
| BoolQ | 88.7% | — |
| MMLU | 81.8% | — |

## Multimodal

- GPT-4o mini: 25.9 (#122)
- Grok-2 (Dec 2024): —

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Vision | 1066 | — |
| Video-MME | 64.8% | — |
| GeoBench | 64% | — |
| VPCT | 34% | — |

## Multilingual

- GPT-4o mini: 42.0 (#199)
- Grok-2 (Dec 2024): 43.1 (#188)

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1266 | 1282 |
| LMArena Chinese | 1265 | 1289 |
| LMArena French | 1297 | 1318 |
| LMArena German | 1272 | 1287 |
| LMArena Japanese | 1216 | 1244 |
| LMArena Korean | 1195 | 1237 |
| LMArena Russian | 1275 | 1286 |
| LMArena Spanish | 1276 | 1281 |

## Instruction Following

- GPT-4o mini: 61.9 (#239)
- Grok-2 (Dec 2024): 66.9 (#202)

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| LiveBench Instruction Following | 56.8% | 69.6% |
| LMArena Instruction Following | 1258 | 1270 |
| IFEval | 78.2% | — |

## Long Context

- GPT-4o mini: 39.1 (#186)
- Grok-2 (Dec 2024): 38.8 (#190)

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1289 | 1276 |

## Writing & Preference

- GPT-4o mini: 39.5 (#248)
- Grok-2 (Dec 2024): 48.6 (#198)

| Benchmark | GPT-4o mini | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1286 | 1305 |
| LMArena Creative Writing | 1268 | 1284 |
| Short-Story Creative Writing | 67.2% | 63.6% |
| LMArena Multi-Turn | 1285 | 1290 |
| LiveBench Language | 28.6% | 45.6% |
| EQ-Bench Creative Writing | 873 | — |
| WildBench | 79.1% | — |

## FAQ

### Is GPT-4o mini better than Grok-2 (Dec 2024)?

Grok-2 (Dec 2024) is the stronger model overall, scoring 33.7 to 25.5 on the Noometry Index.

### Is GPT-4o mini or Grok-2 (Dec 2024) better for coding?

Grok-2 (Dec 2024) scores higher on coding benchmarks: 33.3 versus 22.0 in the Noometry coding category.

### How many benchmarks do GPT-4o mini and Grok-2 (Dec 2024) share?

33 benchmarks have published results for both models. GPT-4o mini has 60 scored results on Noometry and Grok-2 (Dec 2024) has 34.