# Gemini 1.5 Pro (May 2024) vs Grok-2 (Dec 2024)

> Grok-2 (Dec 2024) is the stronger model overall, scoring 33.7 to 32.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-pro-vs-grok-2
- Last updated: 2026-10-10
- Shared benchmarks: 25

## Summary

- They share 25 benchmarks with published results for both. Gemini 1.5 Pro (May 2024) scores higher in 6 categories and Grok-2 (Dec 2024) in 2 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 1.5 Pro (May 2024) leads 25.8 to 20.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 23.1% for Gemini 1.5 Pro (May 2024) and 11.5% for Grok-2 (Dec 2024).

## Snapshot

| | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 32.1 | 33.7 |
| Rank | 261 | 239 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.5 Pro (May 2024): 34.2 (#241)
- Grok-2 (Dec 2024): 33.3 (#258)

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| WeirdML | 22.2% | 22.2% |
| LMArena Coding | 1294 | 1287 |
| BigCodeBench Instruct | 43.8% | — |
| LiveBench Coding | — | 46.4% |
| BigCodeBench Complete | 57.5% | — |
| CadEval | 34% | — |
| HumanEval+ | 79.3% | — |
| MBPP+ | 74.6% | — |

## Agentic & Tool Use

- Gemini 1.5 Pro (May 2024): 17.9 (#145)
- Grok-2 (Dec 2024): —

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| TheAgentCompany | 3.4% | — |
| Cybench | 7.5% | — |
| BALROG | 21% | — |

## Reasoning

- Gemini 1.5 Pro (May 2024): 12.3 (#338)
- Grok-2 (Dec 2024): 16.9 (#299)

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| SimpleBench | 27.1% | 22.7% |
| LMArena Hard Prompts | 1296 | 1272 |
| DTBench | 59% | 65.2% |
| Epoch Capabilities Index | 131.73 | 130.48 |
| ARC-AGI-2 | 0.8% | — |
| LiveBench Reasoning | — | 54.8% |
| LiveBench Data Analysis | — | 54.5% |
| BIG-Bench Hard | 89.2% | — |
| ForecastBench | 58.4 | — |
| LiveBench | — | 54.3% |

## Math

- Gemini 1.5 Pro (May 2024): 25.8 (#266)
- Grok-2 (Dec 2024): 20.8 (#284)

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 23.1% | 11.5% |
| LMArena Math | 1315 | 1283 |
| MATH Level 5 | 70.4% | 63.5% |
| Omni-MATH | 36.4% | — |
| LiveBench Math | — | 54.9% |
| FrontierMath (Feb 2025 set) | — | 0.7% |

## Knowledge

- Gemini 1.5 Pro (May 2024): 29.4 (#239)
- Grok-2 (Dec 2024): 29.8 (#233)

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| GPQA Diamond | 57.2% | 53.8% |
| Confabulations | 13.5% | 20.1% |
| LMArena Expert | 1279 | 1254 |
| Humanity's Last Exam | 4.6% | — |
| MMLU-Pro | 73.7% | — |
| GPQA (HELM) | 53.4% | — |
| MMLU | 86.9% | — |

## Multimodal

- Gemini 1.5 Pro (May 2024): 36.8 (#77)
- Grok-2 (Dec 2024): —

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Vision | 1161 | — |
| Video-MME | 75% | — |

## Multilingual

- Gemini 1.5 Pro (May 2024): 45.3 (#174)
- Grok-2 (Dec 2024): 43.1 (#188)

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1312 | 1282 |
| LMArena Chinese | 1331 | 1289 |
| LMArena French | 1302 | 1318 |
| LMArena German | 1286 | 1287 |
| LMArena Japanese | 1292 | 1244 |
| LMArena Korean | 1298 | 1237 |
| LMArena Russian | 1320 | 1286 |
| LMArena Spanish | 1311 | 1281 |

## Instruction Following

- Gemini 1.5 Pro (May 2024): 68.6 (#185)
- Grok-2 (Dec 2024): 66.9 (#202)

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Instruction Following | 1297 | 1270 |
| LiveBench Instruction Following | — | 69.6% |
| IFEval | 83.7% | — |

## Long Context

- Gemini 1.5 Pro (May 2024): 39.8 (#169)
- Grok-2 (Dec 2024): 38.8 (#190)

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1308 | 1276 |

## Writing & Preference

- Gemini 1.5 Pro (May 2024): 52.4 (#172)
- Grok-2 (Dec 2024): 48.6 (#198)

| Benchmark | Gemini 1.5 Pro (May 2024) | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1319 | 1305 |
| LMArena Creative Writing | 1333 | 1284 |
| LMArena Multi-Turn | 1296 | 1290 |
| Short-Story Creative Writing | — | 63.6% |
| WildBench | 81.3% | — |
| LiveBench Language | — | 45.6% |

## FAQ

### Is Gemini 1.5 Pro (May 2024) better than Grok-2 (Dec 2024)?

Grok-2 (Dec 2024) is the stronger model overall, scoring 33.7 to 32.1 on the Noometry Index.

### Is Gemini 1.5 Pro (May 2024) or Grok-2 (Dec 2024) better for coding?

They score almost the same on coding (34.2 vs 33.3); test both on your own repository before choosing.

### How many benchmarks do Gemini 1.5 Pro (May 2024) and Grok-2 (Dec 2024) share?

25 benchmarks have published results for both models. Gemini 1.5 Pro (May 2024) has 45 scored results on Noometry and Grok-2 (Dec 2024) has 34.